Eye disorders bullets
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This document provides information about common eye disorders and their treatment. It lists structures of the eye like the retina, choroid, and optic nerve. Disorders discussed include glaucoma, cataracts, retinal detachment, and macular degeneration. Glaucoma causes damage to the optic nerve from increased intraocular pressure. Cataracts cause cloudiness of the lens. Retinal detachment is the separation of the retinal pigmented layer from the sensory layer. Macular degeneration involves age-related changes in the macula and central vision. Diagnostic tests and potential surgical treatments are outlined for each condition. Post-operative instructions are provided to avoid increasing intraocular pressure.
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EYE basics
The eye has several components including the cornea, iris, pupil, lens, retina, macula, and optic nerve. Light enters through the cornea and is focused by the lens onto the retina. The retina senses light and sends signals through the optic nerve to the brain where images are formed. Disorders mentioned include glaucoma, cataracts, retinal detachment, conjunctivitis, uveitis, keratoconus, blepharitis, styes, and nearsightedness. Many can be treated through eyedrops, glasses, or surgery.
Cataract
Cataracts are a partial or complete opacity of the lens of the eye. They occur when protein clumps together in the lens, clouding areas and blocking light from reaching the retina. The three main types are nuclear, cortical, and subcapsular. Cataracts are often age-related but can be caused by conditions like diabetes. Symptoms include blurry vision, sensitivity to light, and difficulty seeing at night. Treatment is usually cataract surgery to remove the clouded lens and replace it with an artificial lens implant. Modern techniques like phacoemulsification use ultrasound and small incisions for removal. Surgery often results in excellent restored vision.
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
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
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
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.
Cataract
most common ophthalmic disorder seen in all over world. in India 2015 incidence of cataract patient was 62.6 % (9 million). so the awareness and the management is very important for this disease condition. i hope this presentation is very helpful to all the student and people to understanding the cataract refractive ophthalmic disease
Cataract (opthalmology)
Cataracts are a clouding of the lens of the eye that can cause gradual vision loss. They are usually caused by aging but can be caused by other factors like diabetes, smoking, or UV exposure. Cataracts are diagnosed based on a decrease in the red reflex seen during eye exams. They can be treated surgically through phacoemulsification to remove the clouded lens and replace it with an intraocular lens, improving vision. Age-related macular degeneration (AMD) is a disease of the macula that causes central vision loss. Dry AMD involves drusen buildup while wet AMD has abnormal blood vessel growth. Treatments include vitamins for dry AMD and anti-VEGF injections or photod
Recommended
EYE basics
The eye has several components including the cornea, iris, pupil, lens, retina, macula, and optic nerve. Light enters through the cornea and is focused by the lens onto the retina. The retina senses light and sends signals through the optic nerve to the brain where images are formed. Disorders mentioned include glaucoma, cataracts, retinal detachment, conjunctivitis, uveitis, keratoconus, blepharitis, styes, and nearsightedness. Many can be treated through eyedrops, glasses, or surgery.
Cataract
Cataracts are a partial or complete opacity of the lens of the eye. They occur when protein clumps together in the lens, clouding areas and blocking light from reaching the retina. The three main types are nuclear, cortical, and subcapsular. Cataracts are often age-related but can be caused by conditions like diabetes. Symptoms include blurry vision, sensitivity to light, and difficulty seeing at night. Treatment is usually cataract surgery to remove the clouded lens and replace it with an artificial lens implant. Modern techniques like phacoemulsification use ultrasound and small incisions for removal. Surgery often results in excellent restored vision.
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
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
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
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.
Cataract
most common ophthalmic disorder seen in all over world. in India 2015 incidence of cataract patient was 62.6 % (9 million). so the awareness and the management is very important for this disease condition. i hope this presentation is very helpful to all the student and people to understanding the cataract refractive ophthalmic disease
Cataract (opthalmology)
Cataracts are a clouding of the lens of the eye that can cause gradual vision loss. They are usually caused by aging but can be caused by other factors like diabetes, smoking, or UV exposure. Cataracts are diagnosed based on a decrease in the red reflex seen during eye exams. They can be treated surgically through phacoemulsification to remove the clouded lens and replace it with an intraocular lens, improving vision. Age-related macular degeneration (AMD) is a disease of the macula that causes central vision loss. Dry AMD involves drusen buildup while wet AMD has abnormal blood vessel growth. Treatments include vitamins for dry AMD and anti-VEGF injections or photod
Seminar on Ophthalmic Disorders
The document summarizes ophthalmic disorders that can affect different parts of the eye. It begins with an overview of eye anatomy and physiology, describing the three layers of the eye - outer, middle and inner. It then discusses several common eye disorders that can affect each layer, including dry eyes and conjunctivitis in the outer layer, keratoconus and refractive errors in the middle layer, and conditions like glaucoma, cataracts and floaters in the inner layer. Specific disorders covered in more depth include uveitis, diabetic retinopathy, age-related macular degeneration, and the different types of glaucoma and cataracts. The document provides details on symptoms, causes and treatment for
Catract
This document provides information on cataracts, including:
1. Cataracts are a clouding of the lens in the eye that impairs vision and can become blinding if untreated. They typically progress slowly and affect both eyes.
2. Cataracts have many causes including aging, trauma, radiation exposure, certain medical conditions like diabetes, and genetic factors.
3. Treatment options range from glasses and medications to slow progression, to surgical removal of the clouded lens, usually done on an outpatient basis using local anesthesia. Post-operative care focuses on preventing infection and complications.
Cataract - Easy PPT for Nursing Students
Cataract - Easy PPT for Nursing Students
Definition & picture
Risk factors
Types
Clinical manifestations
Diagnostic studies
Medical management
Surgical Management
NUrsing Management
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.
Ophthalmology 5th year, 3rd & 4th lectures (Dr. Khalid)
The document provides an overview of the anatomy, histology, development, functions, and pathology of the lens. It discusses the lens's gross anatomy, microscopic anatomy consisting of the capsule, epithelium, fibres and cement substance. Development of cataracts due to various etiologies is described. Classification of cataracts by location, morphology, etiology and associated conditions is also summarized.
6 cataract
1. Cataracts are opacities or cloudiness in the lens of the eye that impair vision. They are most commonly age-related but can be caused by eye injuries, medical conditions like diabetes, or exposure to radiation.
2. Symptoms include reduced visual acuity, glare, distorted vision, and difficulty seeing colors. Examination reveals a dim red reflex and opacity visible through a slit lamp.
3. Treatment is usually surgical removal of the cloudy lens, most commonly through phacoemulsification which uses ultrasound to break up the lens for removal. Post-operative care involves steroid and antibiotic eye drops. Potential complications include infection, bleeding, inflammation, and refractive errors.
Cataract Dv
A cataract is a clouding of the lens in the eye which leads to a decrease in vision. It develops when the protein in the lens clumps together causing the lens to become cloudy. There are different types of cataracts including age-related, congenital, secondary to other health issues like diabetes, and traumatic from eye injuries. As the cataract worsens, vision becomes more impaired until it can cause blindness if left untreated. The treatment is surgical removal of the cloudy lens and replacement with an artificial lens.
Cataract
Cataract is a leading cause of blindness globally that is projected to increase. It has a higher burden in developing countries like India due to earlier onset of life expectancy and poorer access to services. Cataract is treatable but remains a major cause of blindness. The lens is susceptible to damage from oxidative stress, photooxidation, and glycation that accumulate with age and can lead to protein modifications and opacity of the lens. Diabetes is a significant risk factor that can accelerate the onset of cataract formation. Public education and efforts to improve control of diabetes and access to services can help reduce the burden of cataract blindness.
Anatomy of the Eye
The document discusses the anatomy of the eye and cataracts. It describes the key parts of the eye including the sclera, lens, retina, choroid coat, ciliary processes, and ciliary muscles. It then defines cataracts as a clouding of the lens, notes that they affect vision and are common in older adults, and lists symptoms like blurred vision and light sensitivity. The treatment involves surgical implantation of a new lens.
Cataract (eye disease condition)
Cataract is a clouding of the lens inside the eye that causes vision loss. It develops slowly over time and can affect one or both eyes. The main causes are aging, exposure to UV radiation, smoking, genetic factors, and various medical conditions. Cataract surgery involves removing the clouded lens and sometimes replacing it with an artificial lens to restore vision. Nurses educate patients on post-operative care including eye drops, limitations on activities, use of protective eyewear, and signs of complications to watch for.
Investigation and management of senile cataract
This document discusses the investigation and management of senile cataract. It outlines the preoperative evaluation including medical history, ocular examination, visual function tests, slit lamp examination, and systemic investigation. Preoperative complications are also discussed. Surgical management options for cataract extraction are presented including types of surgery. Postoperative care and potential complications are summarized. Low vision management strategies for cataract patients are also provided.
Clinical - Traumatic cataract
Mr. Vasanth, a 15-year-old male, presented with a traumatic cataract in his right eye following an injury from a stick one week prior. Examination revealed an anterior capsular tear and cataract in the right eye. He was diagnosed with traumatic cataract and prescribed topical and oral steroids as well as planned for cataract surgery once inflammation subsides to avoid amblyopia. Traumatic cataracts are a common sequel to ocular trauma and are the most common cause of unilateral cataract in young individuals.
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.
Assessment & management of patients with cataract
- Cataracts are very common in older populations, with cortical cataracts being the most prevalent type. Visual acuity testing alone is not sufficient for diagnosing cataracts, as contrast sensitivity and other vision tests are also important. Referral for cataract surgery is recommended when vision impairment affects a patient's daily functioning and quality of life.
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.
Defect of vision
The human eye allows us to see by forming an inverted real image on the light-sensitive retina. The main parts of the eye and their functions are: the cornea refracts light, the iris controls pupil size to regulate light, the lens focuses light onto the retina, and the retina contains light-sensitive cells that send signals to the brain for vision. The pupil regulates the amount of light entering by contracting or expanding. Common vision defects include near-sightedness, far-sightedness, and astigmatism, which can be corrected using lenses. The eye's ability to focus on near and far objects is called accommodation.
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.
Cataracts
Cataracts are a clouding of the eye's lens that can cause blurred vision. Most cataracts are related to aging, with over half of Americans developing them by age 80. The lens normally focuses light onto the retina, but a cloudy lens scatters light and reduces sharpness of images. Cataracts can be caused by aging, eye injuries, medical conditions like diabetes, and environmental factors such as prolonged sun exposure. Symptoms include blurred and faded vision that makes tasks like driving difficult. Cataracts are detected via eye exams and treated primarily through surgery to remove the cloudy lens and replace it with an artificial one.
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.
Catract ppt
Cataract is a clouding of the normally clear lens of the eye. It occurs when the lens proteins clump together, preventing clear images from reaching the retina. Risk factors include increasing age, diabetes, smoking, obesity, and corticosteroid use. Symptoms include blurred vision, sensitivity to light, and fading colors. Cataract surgery involves removing the cloudy lens and replacing it with an artificial intraocular lens, improving vision. Complications may include infection, swelling, bleeding or retinal detachment.
Problems of the eyes
The document provides an overview of eye anatomy and physiology, common eye problems, nursing assessments of the eyes, and common ocular medications and treatments. It describes the layers of the eye including the sclera, choroid, iris, pupil, retina, and refractive media. It also summarizes common eye conditions like glaucoma, refractive errors, low vision and blindness.
Refractive errors
A refractory error is a very common eye disorder. It occurs when the eye cannot clearly focus the images from the outside world. The result of refractory errors is blurred vision ,which is sometimes so severe that it causes visual impairment.
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Seminar on Ophthalmic Disorders
The document summarizes ophthalmic disorders that can affect different parts of the eye. It begins with an overview of eye anatomy and physiology, describing the three layers of the eye - outer, middle and inner. It then discusses several common eye disorders that can affect each layer, including dry eyes and conjunctivitis in the outer layer, keratoconus and refractive errors in the middle layer, and conditions like glaucoma, cataracts and floaters in the inner layer. Specific disorders covered in more depth include uveitis, diabetic retinopathy, age-related macular degeneration, and the different types of glaucoma and cataracts. The document provides details on symptoms, causes and treatment for
Catract
This document provides information on cataracts, including:
1. Cataracts are a clouding of the lens in the eye that impairs vision and can become blinding if untreated. They typically progress slowly and affect both eyes.
2. Cataracts have many causes including aging, trauma, radiation exposure, certain medical conditions like diabetes, and genetic factors.
3. Treatment options range from glasses and medications to slow progression, to surgical removal of the clouded lens, usually done on an outpatient basis using local anesthesia. Post-operative care focuses on preventing infection and complications.
Cataract - Easy PPT for Nursing Students
Cataract - Easy PPT for Nursing Students
Definition & picture
Risk factors
Types
Clinical manifestations
Diagnostic studies
Medical management
Surgical Management
NUrsing Management
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.
Ophthalmology 5th year, 3rd & 4th lectures (Dr. Khalid)
The document provides an overview of the anatomy, histology, development, functions, and pathology of the lens. It discusses the lens's gross anatomy, microscopic anatomy consisting of the capsule, epithelium, fibres and cement substance. Development of cataracts due to various etiologies is described. Classification of cataracts by location, morphology, etiology and associated conditions is also summarized.
6 cataract
1. Cataracts are opacities or cloudiness in the lens of the eye that impair vision. They are most commonly age-related but can be caused by eye injuries, medical conditions like diabetes, or exposure to radiation.
2. Symptoms include reduced visual acuity, glare, distorted vision, and difficulty seeing colors. Examination reveals a dim red reflex and opacity visible through a slit lamp.
3. Treatment is usually surgical removal of the cloudy lens, most commonly through phacoemulsification which uses ultrasound to break up the lens for removal. Post-operative care involves steroid and antibiotic eye drops. Potential complications include infection, bleeding, inflammation, and refractive errors.
Cataract Dv
A cataract is a clouding of the lens in the eye which leads to a decrease in vision. It develops when the protein in the lens clumps together causing the lens to become cloudy. There are different types of cataracts including age-related, congenital, secondary to other health issues like diabetes, and traumatic from eye injuries. As the cataract worsens, vision becomes more impaired until it can cause blindness if left untreated. The treatment is surgical removal of the cloudy lens and replacement with an artificial lens.
Cataract
Cataract is a leading cause of blindness globally that is projected to increase. It has a higher burden in developing countries like India due to earlier onset of life expectancy and poorer access to services. Cataract is treatable but remains a major cause of blindness. The lens is susceptible to damage from oxidative stress, photooxidation, and glycation that accumulate with age and can lead to protein modifications and opacity of the lens. Diabetes is a significant risk factor that can accelerate the onset of cataract formation. Public education and efforts to improve control of diabetes and access to services can help reduce the burden of cataract blindness.
Anatomy of the Eye
The document discusses the anatomy of the eye and cataracts. It describes the key parts of the eye including the sclera, lens, retina, choroid coat, ciliary processes, and ciliary muscles. It then defines cataracts as a clouding of the lens, notes that they affect vision and are common in older adults, and lists symptoms like blurred vision and light sensitivity. The treatment involves surgical implantation of a new lens.
Cataract (eye disease condition)
Cataract is a clouding of the lens inside the eye that causes vision loss. It develops slowly over time and can affect one or both eyes. The main causes are aging, exposure to UV radiation, smoking, genetic factors, and various medical conditions. Cataract surgery involves removing the clouded lens and sometimes replacing it with an artificial lens to restore vision. Nurses educate patients on post-operative care including eye drops, limitations on activities, use of protective eyewear, and signs of complications to watch for.
Investigation and management of senile cataract
This document discusses the investigation and management of senile cataract. It outlines the preoperative evaluation including medical history, ocular examination, visual function tests, slit lamp examination, and systemic investigation. Preoperative complications are also discussed. Surgical management options for cataract extraction are presented including types of surgery. Postoperative care and potential complications are summarized. Low vision management strategies for cataract patients are also provided.
Clinical - Traumatic cataract
Mr. Vasanth, a 15-year-old male, presented with a traumatic cataract in his right eye following an injury from a stick one week prior. Examination revealed an anterior capsular tear and cataract in the right eye. He was diagnosed with traumatic cataract and prescribed topical and oral steroids as well as planned for cataract surgery once inflammation subsides to avoid amblyopia. Traumatic cataracts are a common sequel to ocular trauma and are the most common cause of unilateral cataract in young individuals.
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.
Assessment & management of patients with cataract
- Cataracts are very common in older populations, with cortical cataracts being the most prevalent type. Visual acuity testing alone is not sufficient for diagnosing cataracts, as contrast sensitivity and other vision tests are also important. Referral for cataract surgery is recommended when vision impairment affects a patient's daily functioning and quality of life.
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.
Defect of vision
The human eye allows us to see by forming an inverted real image on the light-sensitive retina. The main parts of the eye and their functions are: the cornea refracts light, the iris controls pupil size to regulate light, the lens focuses light onto the retina, and the retina contains light-sensitive cells that send signals to the brain for vision. The pupil regulates the amount of light entering by contracting or expanding. Common vision defects include near-sightedness, far-sightedness, and astigmatism, which can be corrected using lenses. The eye's ability to focus on near and far objects is called accommodation.
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.
Cataracts
Cataracts are a clouding of the eye's lens that can cause blurred vision. Most cataracts are related to aging, with over half of Americans developing them by age 80. The lens normally focuses light onto the retina, but a cloudy lens scatters light and reduces sharpness of images. Cataracts can be caused by aging, eye injuries, medical conditions like diabetes, and environmental factors such as prolonged sun exposure. Symptoms include blurred and faded vision that makes tasks like driving difficult. Cataracts are detected via eye exams and treated primarily through surgery to remove the cloudy lens and replace it with an artificial one.
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.
Catract ppt
Cataract is a clouding of the normally clear lens of the eye. It occurs when the lens proteins clump together, preventing clear images from reaching the retina. Risk factors include increasing age, diabetes, smoking, obesity, and corticosteroid use. Symptoms include blurred vision, sensitivity to light, and fading colors. Cataract surgery involves removing the cloudy lens and replacing it with an artificial intraocular lens, improving vision. Complications may include infection, swelling, bleeding or retinal detachment.
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Ophthalmology 5th year, 3rd & 4th lectures (Dr. Khalid)
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A refractory error is a very common eye disorder. It occurs when the eye cannot clearly focus the images from the outside world. The result of refractory errors is blurred vision ,which is sometimes so severe that it causes visual impairment.
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Ocular emergencies include injuries or conditions that cause pain, redness, swelling or vision changes in the eye. Examples are foreign objects in the eye, burns, blunt injuries, infections, blood clots or glaucoma. Prompt treatment is needed to prevent vision loss or blindness. Examinations assess vision, eye movements and structures. Treatments depend on the emergency, and may include irrigation, antibiotics, pressure reduction, wound closure or referral to an ophthalmologist. Examples of specific emergencies discussed are corneal abrasions, hyphema, lid or globe injuries, chemical burns, glaucoma and infections.
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This document discusses refractive errors and myopia. It begins by defining refractive media and refraction. It then discusses the different types of refractive errors including myopia. For myopia, it discusses the etiology, classification, clinical presentation, complications and management. It notes that the main causes of myopia are excessive axial elongation of the eye or increased curvature of the cornea or lens. The main types of myopia are axial myopia, refractive myopia, and curvature or index myopia. Management options for myopia include glasses, contact lenses, and refractive surgery procedures.
Abnormalities of pupil
Abnormalities of pupil
Written By - Kh. Md .Imrul Morshed
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Institute of community Ophthalmology, Chittagong , Bangladesh.
refractive error OM VERMA 2023.pdf
1. Refractive errors occur when the eye is unable to correctly focus light on the retina, resulting in blurred vision. The main types are myopia, hyperopia, presbyopia, and astigmatism.
2. Refractive errors can be caused by factors such as infections, injuries, aging, genetics, and eye diseases. Symptoms include double vision, glare, eye strain, and headaches.
3. Diagnosis involves tests like ophthalmoscopy, corneal topography, tonometry, and retinoscopy. Treatment options include eyeglasses, contact lenses, and refractive surgeries like LASIK and PRK to correct the shape of the cornea. Proper nursing management is also
eye trauma approach and management
This document provides information on eye injuries, including common forms, injury sites, symptoms, examination findings, and treatment. It discusses injuries to structures like the conjunctiva, cornea, iris, lens, vitreous, retina, optic nerve, as well as chemical injuries. Examination is important to determine the type and extent of injury. Treatment depends on the specific injury but often involves irrigation, antibiotics, patching, and repair of lacerations or detached retinas. Some injuries like retinal tears or iron foreign bodies can lead to long term complications if not addressed.
Acute Congestive Glaucoma / Optic Neuritis / Painful Loss Of Vision by Dr. Mu...
About Author:
Dr. Muhammad Zeeshan Hameed MBBS,FCPS(Resident Eye Surgeon)
GMC/DHQ Teachng Hosptal, Gujranwala Pakistan.
About Presentation:
This presentation covers the complete topic of acute congestive glaucoma, optic neuritis and ddx of sudden painful loss of vision
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disorders of posterior chamber and retina -retinal and vitereous problem.pdf
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Reffraction myopia by Dr Abdul Basir safi eye surgeon from Afghanistan
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Eye disorders bullets
- 1. Eye Disorders Bullets Jerard Lloyd B. Domingo BSN 3A
- 2. Anaphysio MUST KNOW! Fibrous Vascular Sensory (Retina) Sclera Cornea Choroid Ciliary Body; Ciliaris and Ciliary Process (Aquesous Humor Retina Photoreceptors (rods and cones) OSL, BipolarCells (amacrine and horizontal), ISL, Ganglion cells. Lens Vitreous Chamber: Vitreous Humor Macula Lutea: Fovea Centralis Optic Disk Central Retinal Artery Central RetinalVein Cranial Nerve: 2 optic
- 3. HighYield Glaucoma Cataract Retinal Detachment Macular Degeneration Increase in IOP that causes damage toCN 2. Cloudiness or opacity of lens. Detachment of Retinal Pigmented Layer with Sensory Layer (neural). Age-related changes with the macula lutea (central vision) fovea centralis: highest visual acuity Tunnel vision; Loss of Peripheral Vision HazyVision; Painless blurring of vision Vitreal Floaters, cobwebs, curtains Loss of central vision Types:Open-angle, closed angle, normal tension, congenital. Types: Nuclear,Cortical Posterior Subcapsular , Congenital. Types: Rhegmatogenous,Traction, Rhegmatogenous traction, Exudative. Type: Dry (90%) (natural degeneration of retina) andWet type (10%) d/t angiogenesis causes leak of blood and fluid) Dx: Tonometer (>21mmhg) Opthalmoscopy (optic disc cupping) Perimetry (reduced peripheral vision) Snellens Chart (low visual acuity) Gonioscopy (shows angle of iris) Dx: Slit LampTest (shows cloudy and milky lens), Absent Red reflex. Dx:Ophthalmoscopy (shows gray retinal layer) DX: Opthalmoscopy: presence of drusen. Amsler Grid Test (bfor assessing central vision). Surgeries: Selective Laser Trabeculoplasty,Trabeculectomy, Iridotomy, Iridectomy. Surgeries: Intracapsular Cataract Extraction (CE) , Extracapsular CE,Phacolemulsification, Lens Replacement (IOL) Surgeries: Cryotherapy, Scleral Bulking, Laser Photocoagulation, Pneumatic Retinopexy,Vitrectomy, etc. Photodynamic therapy:Verteporfin – a light activated dye that dissolves newly formed blood vessels. #NR: Do punctal occlusion (for 1-2 min.) to avoid systemic effects, eyedrop first before ointment 3-5 min. interval for each drug, no mydriatics!, no blinking just close, always wash hands. Miotics: Assist in dim, provide adequate lighting! Alpha Adrenergic Agonist, beta Blockers, Carbonic Anhydrase inhibitors, Miotics, Adrenergic Agonist, Prostaglandins) #NR: PreOp: No anticoagulant risk for retrobulbar hemorrhage, stop all before operation, no corti!. Administer Mydriatics 1hr preop! Post-op: view other slide. Post-op positioning: Lie on #affected side – because gravity may help to push vitreous and cause in reattachment! #NR; any form of bright light may activate verteporfin and causes adverse effects! - avoid bright lights! Wear brimmed hats, dark sunglasses.
- 4. Post-op rules for eye surgery! Avoid!VD BREWS! It can INCREASE your IOP! (High IOP can damage Optic Nerve!!! 1. Valsalva Maneuver (coughing, straining upon passing stools, vomiting) 2. Driving (unless indicated) 3. Bending and any rapid head movements 4. Reading or 5. Eye Strains, 6. Weight lifting grater than 15lbs 7. Stairs without light Always Position client to unaffected side. If retinal detachment is the case, position @ affected side.