Keratoconus MANAGEMENT
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Keratoconus is a bilateral, non-inflammatory condition characterized by thinning and steepening of the cornea, causing irregular myopic astigmatism and progressive vision loss. It affects the cornea and can cause monocular diplopia, visual distortions, and decreased visual acuity as it progresses. Low vision management may include piggyback contact lenses, pinhole lenses to reduce ghost images, and magnification devices.
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Cataract
This document summarizes information about cataracts:
Cataracts are opacities within the lens of the eye that cause light scattering. They can be classified by location as cortical, nuclear, or subcapsular. Age-related cataracts are the most common type and slowly progress over years. Other causes include childhood cataracts, trauma, intraocular diseases, systemic diseases, and certain drugs. The only treatment is surgical removal and replacement of the lens. Complications are rare but can include infection or hemorrhage.
Cataract
Cataracts are opaque areas that develop in the lens of the eye. They are the most common cause of treatable blindness in dogs. Cataracts occur when the lens becomes cloudy, preventing light rays from properly focusing on the retina. They are typically age-related but can also be caused by diabetes, trauma, toxins or other metabolic diseases. Surgical removal of the cataractous lens, called phacoemulsification, is the most common treatment to restore vision.
Clinical classification of cataracts : Mehedi , Jr. Optometrist
This document discusses the clinical classification of cataracts. It begins by defining a cataract and describing common symptoms. It then discusses different types of age-related cataracts including nuclear sclerosis, cortical, and posterior subcapsular cataracts. The document also covers classifications such as congenital cataracts, traumatic cataracts, and zonular cataracts. Specific types of cataracts like blue dot, total, and polar cataracts are defined. In total, the document provides detailed descriptions and classifications for over 15 different types of cataracts.
How Does a Cataract Form?
The recipient of an MD from the University of Maryland school of medicine in Baltimore, Dr. Anthony Roberts is an eye physician and the founder of Shady Grove Ophthalmology. Dr. Anthony Roberts has experience performing refractive surgeries like LASIK and surgically treating eye diseases with laser cataract surgery.
An eye disease that interferes with visual function, cataract is an abnormal clouding of the lens. Worldwide, this disease is the leading cause of impaired visual activity and blindness. Often, patients with the condition seek treatment to regain proper vision.
In the human eye, the lens is positioned behind the iris (the colored part of the eye that surrounds the pupil). Physiologically, the lens focuses light on the retina to produce clear images. Age and certain medical conditions can deteriorate the tissues in the lens, causing them to clump together.
As the disease progresses, the clouding becomes denser and occupies more of the lens area. The clouding hinders light from reaching the retina through the affected area of the lens, which results in blurred vision. In some cases, cataract is present right from birth or develops during early childhood due to factors like genetics and intrauterine infection.
In most cases, a cataract is corrected with a surgical procedure called cataract surgery. Essentially, this treatment replaces the damaged lens with an artificial lens. Many ophthalmologists (eye doctors) are trained in the procedure and offer the treatment on an outpatient basis.
Presbyopia
Presbyopia is an age-related visual impairment caused by a gradual decrease in the eye's ability to focus on near objects. It develops as the lens inside the eye loses elasticity. There are different types and stages of presbyopia depending on the severity. Symptoms include difficulty reading small print, needing more light for near tasks, and eyestrain with close work. Presbyopia is diagnosed through patient history, visual acuity tests, and measuring the eye's remaining accommodation ability. It is typically managed through optical corrections like reading glasses, bifocal lenses, or refractive surgery options.
Cataracts in paediatric patients
This document discusses cataracts in pediatric patients. It defines cataracts and classifies them as congenital or acquired. Congenital cataracts can be bilateral or unilateral and are often caused by genetic mutations, metabolic disorders, infections, or other ocular anomalies. Acquired cataracts have systemic or ocular disease causes, or result from drugs or trauma. Evaluation of pediatric cataracts involves examining for associated conditions and screening for underlying causes. Visually significant cataracts requiring surgery are defined. Surgery aims to prevent permanent vision loss, though postoperative care is important. A team approach is needed for congenital cataract management.
Cataract
The document summarizes key information about the anatomy, function, and diseases of the lens and cataracts. It describes the lens as a biconvex, avascular structure suspended in the eye by ligaments. Cataracts occur when the lens becomes opaque, causing vision loss. The only treatment is surgical removal of the cataract and replacement with an intraocular lens. It discusses signs and symptoms of cataracts, surgical techniques like phacoemulsification, and prevention through lifestyle factors and antioxidant intake.
Cataract
This document discusses cataracts, including their definition, causes, types, diagnosis, treatment, and complications. Cataracts are the leading cause of blindness worldwide and involve the opacification or clouding of the lens of the eye. They can be acquired through aging, metabolic diseases like diabetes, trauma, or toxins, or can be congenital. Surgical removal of the clouded lens through procedures like phacoemulsification is currently the most effective treatment for restoring vision in patients with cataracts. Complications can potentially occur during or after cataract surgery if not properly managed.
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Cataract
This document summarizes information about cataracts:
Cataracts are opacities within the lens of the eye that cause light scattering. They can be classified by location as cortical, nuclear, or subcapsular. Age-related cataracts are the most common type and slowly progress over years. Other causes include childhood cataracts, trauma, intraocular diseases, systemic diseases, and certain drugs. The only treatment is surgical removal and replacement of the lens. Complications are rare but can include infection or hemorrhage.
Cataract
Cataracts are opaque areas that develop in the lens of the eye. They are the most common cause of treatable blindness in dogs. Cataracts occur when the lens becomes cloudy, preventing light rays from properly focusing on the retina. They are typically age-related but can also be caused by diabetes, trauma, toxins or other metabolic diseases. Surgical removal of the cataractous lens, called phacoemulsification, is the most common treatment to restore vision.
Clinical classification of cataracts : Mehedi , Jr. Optometrist
This document discusses the clinical classification of cataracts. It begins by defining a cataract and describing common symptoms. It then discusses different types of age-related cataracts including nuclear sclerosis, cortical, and posterior subcapsular cataracts. The document also covers classifications such as congenital cataracts, traumatic cataracts, and zonular cataracts. Specific types of cataracts like blue dot, total, and polar cataracts are defined. In total, the document provides detailed descriptions and classifications for over 15 different types of cataracts.
How Does a Cataract Form?
The recipient of an MD from the University of Maryland school of medicine in Baltimore, Dr. Anthony Roberts is an eye physician and the founder of Shady Grove Ophthalmology. Dr. Anthony Roberts has experience performing refractive surgeries like LASIK and surgically treating eye diseases with laser cataract surgery.
An eye disease that interferes with visual function, cataract is an abnormal clouding of the lens. Worldwide, this disease is the leading cause of impaired visual activity and blindness. Often, patients with the condition seek treatment to regain proper vision.
In the human eye, the lens is positioned behind the iris (the colored part of the eye that surrounds the pupil). Physiologically, the lens focuses light on the retina to produce clear images. Age and certain medical conditions can deteriorate the tissues in the lens, causing them to clump together.
As the disease progresses, the clouding becomes denser and occupies more of the lens area. The clouding hinders light from reaching the retina through the affected area of the lens, which results in blurred vision. In some cases, cataract is present right from birth or develops during early childhood due to factors like genetics and intrauterine infection.
In most cases, a cataract is corrected with a surgical procedure called cataract surgery. Essentially, this treatment replaces the damaged lens with an artificial lens. Many ophthalmologists (eye doctors) are trained in the procedure and offer the treatment on an outpatient basis.
Presbyopia
Presbyopia is an age-related visual impairment caused by a gradual decrease in the eye's ability to focus on near objects. It develops as the lens inside the eye loses elasticity. There are different types and stages of presbyopia depending on the severity. Symptoms include difficulty reading small print, needing more light for near tasks, and eyestrain with close work. Presbyopia is diagnosed through patient history, visual acuity tests, and measuring the eye's remaining accommodation ability. It is typically managed through optical corrections like reading glasses, bifocal lenses, or refractive surgery options.
Cataracts in paediatric patients
This document discusses cataracts in pediatric patients. It defines cataracts and classifies them as congenital or acquired. Congenital cataracts can be bilateral or unilateral and are often caused by genetic mutations, metabolic disorders, infections, or other ocular anomalies. Acquired cataracts have systemic or ocular disease causes, or result from drugs or trauma. Evaluation of pediatric cataracts involves examining for associated conditions and screening for underlying causes. Visually significant cataracts requiring surgery are defined. Surgery aims to prevent permanent vision loss, though postoperative care is important. A team approach is needed for congenital cataract management.
Cataract
The document summarizes key information about the anatomy, function, and diseases of the lens and cataracts. It describes the lens as a biconvex, avascular structure suspended in the eye by ligaments. Cataracts occur when the lens becomes opaque, causing vision loss. The only treatment is surgical removal of the cataract and replacement with an intraocular lens. It discusses signs and symptoms of cataracts, surgical techniques like phacoemulsification, and prevention through lifestyle factors and antioxidant intake.
Cataract
This document discusses cataracts, including their definition, causes, types, diagnosis, treatment, and complications. Cataracts are the leading cause of blindness worldwide and involve the opacification or clouding of the lens of the eye. They can be acquired through aging, metabolic diseases like diabetes, trauma, or toxins, or can be congenital. Surgical removal of the clouded lens through procedures like phacoemulsification is currently the most effective treatment for restoring vision in patients with cataracts. Complications can potentially occur during or after cataract surgery if not properly managed.
Cataract
A cataract is a cloudy area in the lens of the eye that develops slowly and causes vision to deteriorate. It occurs when proteins in the lens clump together, preventing clear images from reaching the retina. Cataracts are very common in older adults, with over half of those over 80 having them. The cloudy lens can be surgically removed and replaced with an artificial lens to restore vision.
Eye diseases
Eye disease is an impairment or abnormal functioning of the eye that affects vision and can cause blindness. Some common eye diseases include cataracts, glaucoma, trachoma, and retinal disorders. Cataracts cause cloudiness of the lens that impairs vision. Glaucoma permanently damages vision through increased intraocular pressure. Trachoma is an infectious disease caused by bacteria that roughens the inner eyelids. Retinal disorders affect the retina and can damage central vision. Treatments depend on the disease but may include surgery, eye drops, laser treatment, or antibiotics to prevent further vision loss or blindness.
Cataract
The document discusses cataract, which is an age-related clouding of the lens in the eye that causes blurred or cloudy vision. Cataracts develop as proteins in the lens break down, making it less clear. Risk factors include aging, family history, diabetes, smoking, UV light exposure, and certain medications. Cataracts are diagnosed via eye exams and visual acuity tests. Treatment options range from glasses and lifestyle changes for mild cataracts to surgery to remove the cloudy lens and replace it with an artificial one.
Class X SCI CH 2 Session 5
This document discusses several common eye defects and diseases: myopia (nearsightedness), hypermetropia (farsightedness), night blindness caused by vitamin A deficiency, xerophthalmia from prolonged vitamin A deficiency causing blindness, color blindness from defects in cone cells, glaucoma caused by increased pressure inside the eyes damaging the retina, cataracts making the lens opaque, and conjunctivitis which is an infection of the conjunctiva. It also provides tips for keeping eyes healthy such as eating well, quitting smoking, wearing sunglasses, keeping screens at a distance, and visiting an eye doctor.
Cataract
This document discusses cataracts, including their definition, risk factors, types, clinical manifestations, diagnostic tests, management, and complications. Cataracts are an opacity of the lens that can impair vision. The most common type is age-related senile cataracts, which usually begin around age 50. Risk factors include aging, UV exposure, diabetes, corticosteroid use, and trauma. Diagnosis involves visual acuity and slit lamp tests. Treatment is surgical removal of the clouded lens and replacement with an intraocular lens. Complications can include infection, bleeding, and posterior capsule opacification.
opthalmology case presentation - senile cataract
At the first visit, the patient's binocular vision was 0.9, which was not bad. Why did he see things blurred?
Management of paediatric cataract DrBP
This document provides information on managing pediatric cataracts. It discusses that childhood cataracts are a major cause of blindness worldwide and disrupt visual development. Timely cataract removal and rehabilitation is important. Examination of pediatric cataract patients involves assessing visual acuity, eye alignment and function. Surgical techniques aim to remove the cataract while preserving the capsular bag for intraocular lens implantation. Post-operative care and amblyopia management are crucial to optimize visual outcomes. Complications include inflammation, glaucoma, posterior capsule opacification and membrane formation.
Cataract and its management
This document provides information about cataracts and their management. It discusses what a cataract is, risk factors for cataract formation such as aging, associated ocular conditions, nutritional and physical factors, and systemic diseases. It describes the clinical manifestations of cataracts and the diagnostic evaluation including various visual acuity tests and examinations. Treatment options discussed include medical management using glasses or surgery. The two main surgical procedures mentioned are extracapsular cataract extraction and phacoemulsification. Postoperative care and potential complications are also outlined. Finally, it provides conclusions and references several research articles on prevalence and risk factors of cataracts.
Cataract
Cataract is a clouding of the lens in the eye that causes vision impairment, and can be caused by aging, diabetes, smoking, trauma, and other factors. Symptoms include blurred vision, sensitivity to light, and difficulty seeing at night. Treatment options range from eyeglasses and contact lenses to surgical removal of the clouded lens and replacement with an artificial intraocular lens through procedures like phacoemulsification.
approach and management of congenital cataract
This to teach about approach and adequate management of the congenital cataract. This presentation highlights the common casues of the congenital cataract. Early treatment prevents amblyopia. Delayed causes loss of vision.
Cataract
Cataracts are a cloudy area in the lens of the eye that develops slowly and causes vision to deteriorate. They are common in older adults, with over half of those over 80 having cataracts. Symptoms include blurry vision, trouble seeing at night, and faded colors. Cataracts are caused by protein clumping in the lens and can be due to aging, smoking, UV exposure, medications, or diseases like diabetes. Treatment is usually surgery to remove the cloudy lens and replace it with an artificial lens, which is highly effective. Prevention involves protecting eyes from UV rays, eye exams, not smoking, and a healthy lifestyle.
Presbyopia
Presbyopia is an age-related loss of the eye's ability to focus on near objects. It typically begins around age 40 and causes symptoms like eyestrain and headaches when reading. Tests like visual acuity and refraction exams are used to diagnose presbyopia. Treatment involves using appropriate corrective lenses matched to the patient's specific needs, like bifocals or progressive lenses, to bring their near vision point within a comfortable reading distance. Presbyopia is a natural part of aging and should not be overcorrected, as that can cause discomfort.
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This document provides information on refractive errors, cataracts, and their treatment. It discusses the types of refractive errors including emmetropia, myopia, hypermetropia, and presbyopia. It describes what causes cataracts, the different types including senile and diabetic cataracts, and symptoms and signs. Treatment options covered include temporary management techniques as well as definitive surgical options like extracapsular cataract extraction and phacoemulsification. Potential complications of cataract surgery and their management are also outlined.
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This document discusses congenital and developmental cataracts. It describes the different types of cataracts including polar, nuclear, lamellar, and total cataracts. Causes are discussed such as hereditary factors, maternal infections like rubella, and metabolic disorders. Clinical features and management approaches are outlined including early surgery to prevent amblyopia, techniques like extracapsular cataract extraction, and correction of aphakia with lenses or contact lenses depending on age.
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This document discusses different types of cataracts, including congenital and acquired cataracts. It describes various causes of congenital cataracts including genetic mutations, metabolic disorders, infections, and chromosomal abnormalities. Congenital cataracts affect approximately 0.03% of newborns and are a leading cause of childhood blindness. The document also discusses different types of cataracts including nuclear, lamellar, and cerulean cataracts. It provides information on diagnosing and treating pediatric cataracts through surgery and preventing amblyopia.
Cataract
A cataract is a clouding or opacity that
develops in the crystalline lens of the eye or in its envelope, varying in degree from slight opacity to obstructing the passage of light.
Progressive, painless clouding of the natural, internal lens of the eye.
Cataract
Cataract is a cloudiness of the lens of the eye that can develop at any age and is the leading cause of blindness worldwide. It occurs when the lens becomes progressively opaque, blocking light from passing through the eye to the retina. Cataract surgery involves removing the cloudy lens and replacing it with an artificial intraocular lens to restore vision. Post-operative care includes administering antibiotic and steroid eye drops to prevent infection and reduce inflammation.
cataract-information
A cataract is a cloudy area in the lens of the eye that leads to a decrease in vision. It develops as proteins in the lens clump together, blocking light from reaching the retina. The main types are age-related, congenital, secondary to other health issues like diabetes, and traumatic from eye injuries. Symptoms include blurry or foggy vision, increased sensitivity to light, and frequent prescription changes. Treatment ranges from eyeglasses for early cataracts to surgical removal and intraocular lens implantation for advanced cases. Risks of surgery include infection, bleeding, and retinal detachment, but benefits are improved vision and activities. Primary prevention focuses on antioxidant intake through foods and vitamins to reduce oxidative damage causing
Case presentation-congenital & developmental cataract
This document summarizes the case presentation of a 15-year-old female student who underwent cataract surgery in her right eye 2 years ago. Her previous prescription showed mild hyperopia and astigmatism. On examination, her best corrected vision was 6/6 and her refraction showed mild residual hyperopia and astigmatism. She was diagnosed with pseudophakia and prescribed bifocal glasses. The document then provides background information on different types of cataracts, their causes, signs, symptoms, management including surgery and optical correction options.
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This document provides information on visual and hearing assessments, diagnoses, and nursing considerations. For vision, it discusses evaluating redness, edema, headaches, and more. It also outlines tests like tonometry and Snellen's test. Common vision disorders are described like disorders of accommodation, eye burns, trauma, and infections. Diagnosis and nursing care are outlined for each. Hearing loss types - conductive and perceptive - are also defined with related assessments, diagnoses, treatment plans and nursing implications.
DR SONAL Myopia and astigmatism.pptx
This document discusses myopia and astigmatism. It defines emmetropia and ametropia, and describes the different types of refractive errors - myopia, hyperopia, and astigmatism. It then focuses on myopia, discussing the different etiological classifications, clinical varieties (congenital, simple, pathological), symptoms, signs, and complications of myopia. It also discusses refractive surgery options for treating myopia such as radial keratotomy and photorefractive keratectomy.
12. Cataract.pptx
Cataract is a cloudiness or opacity of the normally transparent crystalline lens of the eye that can cause decreased vision and eventual blindness. Cataracts can be classified in several ways, including by their location in the lens, the age of onset, the degree of opacity, and their appearance during examination. The most common types are nuclear cataracts, which involve the central lens nucleus, and cortical cataracts, which start as water clefts and vacuoles in the lens cortex. Cataracts can develop due to aging, congenital issues, genetic factors, trauma, diabetes, medications, radiation exposure, and other medical conditions.
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Cataract
A cataract is a cloudy area in the lens of the eye that develops slowly and causes vision to deteriorate. It occurs when proteins in the lens clump together, preventing clear images from reaching the retina. Cataracts are very common in older adults, with over half of those over 80 having them. The cloudy lens can be surgically removed and replaced with an artificial lens to restore vision.
Eye diseases
Eye disease is an impairment or abnormal functioning of the eye that affects vision and can cause blindness. Some common eye diseases include cataracts, glaucoma, trachoma, and retinal disorders. Cataracts cause cloudiness of the lens that impairs vision. Glaucoma permanently damages vision through increased intraocular pressure. Trachoma is an infectious disease caused by bacteria that roughens the inner eyelids. Retinal disorders affect the retina and can damage central vision. Treatments depend on the disease but may include surgery, eye drops, laser treatment, or antibiotics to prevent further vision loss or blindness.
Cataract
The document discusses cataract, which is an age-related clouding of the lens in the eye that causes blurred or cloudy vision. Cataracts develop as proteins in the lens break down, making it less clear. Risk factors include aging, family history, diabetes, smoking, UV light exposure, and certain medications. Cataracts are diagnosed via eye exams and visual acuity tests. Treatment options range from glasses and lifestyle changes for mild cataracts to surgery to remove the cloudy lens and replace it with an artificial one.
Class X SCI CH 2 Session 5
This document discusses several common eye defects and diseases: myopia (nearsightedness), hypermetropia (farsightedness), night blindness caused by vitamin A deficiency, xerophthalmia from prolonged vitamin A deficiency causing blindness, color blindness from defects in cone cells, glaucoma caused by increased pressure inside the eyes damaging the retina, cataracts making the lens opaque, and conjunctivitis which is an infection of the conjunctiva. It also provides tips for keeping eyes healthy such as eating well, quitting smoking, wearing sunglasses, keeping screens at a distance, and visiting an eye doctor.
Cataract
This document discusses cataracts, including their definition, risk factors, types, clinical manifestations, diagnostic tests, management, and complications. Cataracts are an opacity of the lens that can impair vision. The most common type is age-related senile cataracts, which usually begin around age 50. Risk factors include aging, UV exposure, diabetes, corticosteroid use, and trauma. Diagnosis involves visual acuity and slit lamp tests. Treatment is surgical removal of the clouded lens and replacement with an intraocular lens. Complications can include infection, bleeding, and posterior capsule opacification.
opthalmology case presentation - senile cataract
At the first visit, the patient's binocular vision was 0.9, which was not bad. Why did he see things blurred?
Management of paediatric cataract DrBP
This document provides information on managing pediatric cataracts. It discusses that childhood cataracts are a major cause of blindness worldwide and disrupt visual development. Timely cataract removal and rehabilitation is important. Examination of pediatric cataract patients involves assessing visual acuity, eye alignment and function. Surgical techniques aim to remove the cataract while preserving the capsular bag for intraocular lens implantation. Post-operative care and amblyopia management are crucial to optimize visual outcomes. Complications include inflammation, glaucoma, posterior capsule opacification and membrane formation.
Cataract and its management
This document provides information about cataracts and their management. It discusses what a cataract is, risk factors for cataract formation such as aging, associated ocular conditions, nutritional and physical factors, and systemic diseases. It describes the clinical manifestations of cataracts and the diagnostic evaluation including various visual acuity tests and examinations. Treatment options discussed include medical management using glasses or surgery. The two main surgical procedures mentioned are extracapsular cataract extraction and phacoemulsification. Postoperative care and potential complications are also outlined. Finally, it provides conclusions and references several research articles on prevalence and risk factors of cataracts.
Cataract
Cataract is a clouding of the lens in the eye that causes vision impairment, and can be caused by aging, diabetes, smoking, trauma, and other factors. Symptoms include blurred vision, sensitivity to light, and difficulty seeing at night. Treatment options range from eyeglasses and contact lenses to surgical removal of the clouded lens and replacement with an artificial intraocular lens through procedures like phacoemulsification.
approach and management of congenital cataract
This to teach about approach and adequate management of the congenital cataract. This presentation highlights the common casues of the congenital cataract. Early treatment prevents amblyopia. Delayed causes loss of vision.
Cataract
Cataracts are a cloudy area in the lens of the eye that develops slowly and causes vision to deteriorate. They are common in older adults, with over half of those over 80 having cataracts. Symptoms include blurry vision, trouble seeing at night, and faded colors. Cataracts are caused by protein clumping in the lens and can be due to aging, smoking, UV exposure, medications, or diseases like diabetes. Treatment is usually surgery to remove the cloudy lens and replace it with an artificial lens, which is highly effective. Prevention involves protecting eyes from UV rays, eye exams, not smoking, and a healthy lifestyle.
Presbyopia
Presbyopia is an age-related loss of the eye's ability to focus on near objects. It typically begins around age 40 and causes symptoms like eyestrain and headaches when reading. Tests like visual acuity and refraction exams are used to diagnose presbyopia. Treatment involves using appropriate corrective lenses matched to the patient's specific needs, like bifocals or progressive lenses, to bring their near vision point within a comfortable reading distance. Presbyopia is a natural part of aging and should not be overcorrected, as that can cause discomfort.
Seminar 1 ophthal refractive error and cataract
This document provides information on refractive errors, cataracts, and their treatment. It discusses the types of refractive errors including emmetropia, myopia, hypermetropia, and presbyopia. It describes what causes cataracts, the different types including senile and diabetic cataracts, and symptoms and signs. Treatment options covered include temporary management techniques as well as definitive surgical options like extracapsular cataract extraction and phacoemulsification. Potential complications of cataract surgery and their management are also outlined.
Congenital Cataract quick revision ( ophthalmology )
This document discusses congenital and developmental cataracts. It describes the different types of cataracts including polar, nuclear, lamellar, and total cataracts. Causes are discussed such as hereditary factors, maternal infections like rubella, and metabolic disorders. Clinical features and management approaches are outlined including early surgery to prevent amblyopia, techniques like extracapsular cataract extraction, and correction of aphakia with lenses or contact lenses depending on age.
Congenital cataract
This document discusses different types of cataracts, including congenital and acquired cataracts. It describes various causes of congenital cataracts including genetic mutations, metabolic disorders, infections, and chromosomal abnormalities. Congenital cataracts affect approximately 0.03% of newborns and are a leading cause of childhood blindness. The document also discusses different types of cataracts including nuclear, lamellar, and cerulean cataracts. It provides information on diagnosing and treating pediatric cataracts through surgery and preventing amblyopia.
Cataract
A cataract is a clouding or opacity that
develops in the crystalline lens of the eye or in its envelope, varying in degree from slight opacity to obstructing the passage of light.
Progressive, painless clouding of the natural, internal lens of the eye.
Cataract
Cataract is a cloudiness of the lens of the eye that can develop at any age and is the leading cause of blindness worldwide. It occurs when the lens becomes progressively opaque, blocking light from passing through the eye to the retina. Cataract surgery involves removing the cloudy lens and replacing it with an artificial intraocular lens to restore vision. Post-operative care includes administering antibiotic and steroid eye drops to prevent infection and reduce inflammation.
cataract-information
A cataract is a cloudy area in the lens of the eye that leads to a decrease in vision. It develops as proteins in the lens clump together, blocking light from reaching the retina. The main types are age-related, congenital, secondary to other health issues like diabetes, and traumatic from eye injuries. Symptoms include blurry or foggy vision, increased sensitivity to light, and frequent prescription changes. Treatment ranges from eyeglasses for early cataracts to surgical removal and intraocular lens implantation for advanced cases. Risks of surgery include infection, bleeding, and retinal detachment, but benefits are improved vision and activities. Primary prevention focuses on antioxidant intake through foods and vitamins to reduce oxidative damage causing
Case presentation-congenital & developmental cataract
This document summarizes the case presentation of a 15-year-old female student who underwent cataract surgery in her right eye 2 years ago. Her previous prescription showed mild hyperopia and astigmatism. On examination, her best corrected vision was 6/6 and her refraction showed mild residual hyperopia and astigmatism. She was diagnosed with pseudophakia and prescribed bifocal glasses. The document then provides background information on different types of cataracts, their causes, signs, symptoms, management including surgery and optical correction options.
Eent Review & Integ
This document provides information on visual and hearing assessments, diagnoses, and nursing considerations. For vision, it discusses evaluating redness, edema, headaches, and more. It also outlines tests like tonometry and Snellen's test. Common vision disorders are described like disorders of accommodation, eye burns, trauma, and infections. Diagnosis and nursing care are outlined for each. Hearing loss types - conductive and perceptive - are also defined with related assessments, diagnoses, treatment plans and nursing implications.
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Congenital Cataract quick revision ( ophthalmology )
Congenital Cataract quick revision ( ophthalmology )
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Case presentation-congenital & developmental cataract
Case presentation-congenital & developmental cataract
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This document discusses myopia and astigmatism. It defines emmetropia and ametropia, and describes the different types of refractive errors - myopia, hyperopia, and astigmatism. It then focuses on myopia, discussing the different etiological classifications, clinical varieties (congenital, simple, pathological), symptoms, signs, and complications of myopia. It also discusses refractive surgery options for treating myopia such as radial keratotomy and photorefractive keratectomy.
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Cataract is a cloudiness or opacity of the normally transparent crystalline lens of the eye that can cause decreased vision and eventual blindness. Cataracts can be classified in several ways, including by their location in the lens, the age of onset, the degree of opacity, and their appearance during examination. The most common types are nuclear cataracts, which involve the central lens nucleus, and cortical cataracts, which start as water clefts and vacuoles in the lens cortex. Cataracts can develop due to aging, congenital issues, genetic factors, trauma, diabetes, medications, radiation exposure, and other medical conditions.
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MYOPIA CLINICAL
This document discusses myopia (nearsightedness), including its definition, types, causes, signs and symptoms, complications, and treatment options. The main types of myopia are axial, curvatural, and index myopia. Causes include genetics, excessive eye growth, and changes in the eye's shape or refractive index. Signs include prominent eyeballs and myopic degeneration in advanced cases. Treatments include glasses, contact lenses, refractive surgery such LASIK, and low vision aids for severe vision loss.
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Myopia
Myopia, or nearsightedness, is a refractive condition where parallel rays of light focus in front of the retina. There are several types of myopia based on etiology. Simple myopia is the most common type and results from axial elongation of the eyeball. Pathological myopia can lead to degenerative changes in the retina and choroid over time like myopic crescents if left untreated. Treatment options include optical correction with glasses or contacts, refractive surgeries like LASIK, and low vision aids for advanced cases. Proper diet and genetic counseling can help manage risk of progression.
MYOPIA , basics , causes , types and treatment
Myopia, also known as near-sightedness and short-sightedness, is an eye disease[5][6][7] where light from distant objects focuses in front of, instead of on, the retina.[1][2][6] As a result, distant objects appear blurry while close objects appear normal.[1] Other symptoms may include headaches and eye strain.[1][8] Severe myopia is associated with an increased risk of macular degeneration, retinal detachment, cataracts, and glaucoma.[2][9]
Myopia results from the length of the eyeball growing too long or less commonly the lens being too strong.[1][10] It is a type of refractive error.[1] Diagnosis is by the use of cycloplegics during eye examination.[11]
Tentative evidence indicates that the risk of myopia can be decreased by having young children spend more time outside.[12][13] This decrease in risk may be related to natural light exposure.[14] Myopia can be corrected with eyeglasses, contact lenses, or by refractive surgery.[1][15] Eyeglasses are the simplest and safest method of correction.[1] Contact lenses can provide a relatively wider corrected field of vision, but are associated with an increased risk of infection.[1][16] Refractive surgeries like LASIK and PRK permanently change the shape of the cornea. Surgeries like Implantable Collamer Lens (ICL) implant a lens inside the anterior chamber in front of the natural eye lens. ICL doesn't affect the cornea.[
myopia-141210010058-conversion-gate01.pdf
Dr. Om Patel presented on myopia (nearsightedness). There are several types and causes of myopia, including axial myopia caused by an elongated eyeball, curvatural myopia from increased corneal or lens curvature, and pathological myopia associated with degenerative changes. Treatment options discussed included optical correction with glasses or contacts, as well as surgical procedures like LASIK, PRK, and phakic intraocular lenses for high myopia. The goal of treatment is to slow progression and provide clear vision.
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This document discusses various types of refractive errors including myopia, hyperopia, presbyopia, and astigmatism. It describes the causes, clinical features, diagnostic evaluations including history, slit lamp exam, and tonometry, and management including pharmacological treatments, and surgical procedures like LASIK and LASEK. Nursing management focuses on safely administering treatments, monitoring vitals, and observing patients for side effects and responses to treatment.
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The document discusses the major causes of low vision in adults, including age-related macular degeneration, cataracts, diabetic retinopathy, multiple sclerosis, myopic degeneration, retinal detachment, and glaucoma. For each condition, it describes how visual acuity and visual fields are typically affected and recommends approaches to low vision management such as magnification, filters, prisms, lighting aids, and mobility training. Overall, the document provides an overview of the leading causes and treatment considerations for low vision in the adult population.
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This document summarizes various corneal conditions including arcus senilis, keratoconus, contact lens uses and complications, episcleritis, and scleritis. Keratoconus is a progressive disorder where the cornea thins into a cone shape, often beginning in adolescence. It can be managed with spectacle correction, contact lenses, or corneal transplantation depending on severity. Contact lenses are used therapeutically for irregular astigmatism from keratoconus or other conditions. Complications include infection and corneal edema. Episcleritis is an inflammatory condition affecting the outer coat of the eyeball, while scleritis involves the deeper layers and can be associated with autoimmune diseases.
Corneal Ectasias
This document summarizes a case of keratectasia that developed in a patient's right eye following LASIK surgery. Initially, the patient's vision was good in both eyes after bilateral LASIK, but over three years her vision deteriorated in the right eye. Examination revealed irregular corneal contour with inferior thinning and steepening in the right eye resembling keratoconus. This is a case of keratectasia, a serious complication where the cornea bulges out due to weakening from refractive surgery.
Cataract-Ppt.pptx
Cataract is a clouding of the eye's lens that can impair vision. It is the leading cause of blindness worldwide, responsible for 48% of blindness. Age is the main risk factor, with most cataracts occurring in people over 65. Surgical removal and replacement of the lens with an intraocular lens is currently the only effective treatment. Post-surgery care involves administering eye drops and educating patients to avoid straining or rubbing the eyes during healing.
myopia.ppt
This document discusses myopia (nearsightedness) and its various classifications and treatments. It defines myopia as a condition where parallel rays of light focus in front of the retina. There are several types of myopia classified by factors like age of onset, degree of nearsightedness, and presence of degenerative changes. Treatments include optical correction with glasses or contacts, pharmaceutical agents like atropine to slow progression, and surgical options like LASIK, PRK, and phakic IOL implantation. The goal is to fully correct low to moderate myopia while considering risks of overcorrection for higher degrees of myopia.
Lens induced glaucoma, glaucoma after intraocular surgeries
Lens dislocation or subluxation can cause glaucoma through various mechanisms such as pupillary block, inflammation, or direct trauma. The dislocation may be due to trauma, ectopia lentis syndromes like Marfan or homocystinuria, or occur spontaneously during cataract formation. Management involves lowering IOP through medications or surgery like lens extraction. Glaucoma is also a risk after intraocular surgery due to mechanisms like malignant glaucoma, inflammation, or blockage of the angle. Careful surgical technique and post-op management can help prevent or treat glaucoma in these cases.
Acute Visual Loss
this presentation is about causes of acute visual loss which i made for my seminar during ophthalmology posting.Hope that people can had a benefit from this slide especially medical student.
Cataract.pptx
Gross Anatomy & Physiology of Eye
Introduction to cataract
Epidemiology of cataract
The etiological factors
Pathophysiology
Clinical manifestations
Types
Diagnostic measures
Surgical measures
Pre and post operative nursing management
Complications after surgery.
Summary
Myopia.pdf
1. Myopia, or nearsightedness, is a refractive defect where parallel light rays focus in front of the retina. There are several types of myopia based on etiology, including axial, curvatural, index, and positional myopia.
2. Simple myopia develops due to normal biological variation and inheritance, usually occurring between ages 5-20 and rarely exceeding -8 diopters. Pathological myopia is a degenerative form associated with rapid eyeball growth and structural changes like staphyloma.
3. Treatment options for myopia include optical corrections like glasses and contact lenses, as well as surgical procedures like LASIK, intraocular lenses, and low vision aids for advanced cases
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