Glaucoma meducation part III

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Glaucoma is a group of eye diseases that cause progressive damage of the optic nerve at the point where it leaves the eye to carry visual information to the brain.
If left untreated, most types of glaucoma progress (without warning nor obvious symptoms to the patient) towards gradually worsening visual damage and may lead to blindness. Once incurred, visual damage is mostly irreversible, and this has led to glaucoma being described as the "silent blinding disease" or the "sneak thief of sight".
Glaucoma is the second most common cause of blindness worldwide. It is estimated that 4.5 million persons globally are blind due to glaucoma1 and that this number will rise to 11.2 million by 20202. It is noteworthy that due to the silent progression of the disease - at least in its early stages - up to 50% of affected persons in the developed countries are not even aware of having glaucoma3. This number may rise to 90% in underdeveloped parts of the world.

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Glaucoma meducation part III

  1. 1. ”Glaucoma” is an eye disorder in which the optic nerve is damaged, permanentlydamaging vision in the affected eye(s) and progressing to complete blindness if untreated. It is often, but not always,associated with increased pressure of the fluid in the eye (ocular hypertension)
  2. 2. Glaucoma has beennicknamed the "silent thief of sight" because the loss of vision normally occurs gradually over a long period of time, and is often recognized only when the disease is quite advanced!!
  3. 3. There are several types of glaucoma. The two main types are:I.open-angle glaucoma &II. angle-closure glaucoma.
  4. 4. Normal-Tension Glaucoma(NTG):1)Also called “low-tension” or “normal- pressure” glaucoma, in normal-tension glaucoma (NTG) the optic nerve is damaged even though the pressure in the eye is not very high.2)In general, a "normal" pressure range is between 10-20 mm Hg.3) The causes of NTG are still unknown.
  5. 5. Childhood Glaucoma:1)This is a rare condition that may be inherited, caused by incorrect development of the eye’s drainage system before birth.2)Occurs in babies and young children. It is usually diagnosed within the first year of life.3)Also referred to as “congenital glaucoma”, “pediatric”, or “infantile glaucoma”
  6. 6. OPEN ANGLE CLOSED ANGLE GLAUCOMA GLAUCOMA“Open-angle” means Angle-closure that the angle glaucoma is a where the iris result of the angle meets the cornea is between the iris as wide and open and cornea is as it should be. closing. It is also Open-angle glaucoma is also called “acute called “primary glaucoma” or glaucoma” or “narrow-angle “chronic glaucoma” glaucoma”
  7. 7. OPEN ANGLE CLOSED ANGLEGLAUCOMA GLAUCOMA
  8. 8. OPEN ANGLE CLOSED ANGLE GLAUCOMA GLAUCOMA Is caused by the slow  Is caused by blocked clogging of the drainage drainage canals, resulting in a canals, resulting in sudden rise in intraocular pressure increased eye  Has a closed or pressure narrow angle between Has a wide and open the iris and cornea angle between the  Develops very quickly iris and cornea  Has symptoms and Develops slowly and is damage that are a lifelong condition usually very Has symptoms and noticeable damage that are not  Demands immediate noticed. medical attention.
  9. 9. Everyone is atrisk forglaucoma!!However, certaingroups are athigher risk thanothers….
  10. 10. Glaucoma is much more common among older people. You are People Over 60 six times more likely to get glaucoma if you are over 60 years old. The most common type of glaucoma, primary open-angle glaucoma, is hereditary. If membersFamily Members with of your immediate Glaucoma family have glaucoma, you are at a much higher risk than the rest of the population.
  11. 11. Glaucoma is the leading cause of blindness among African Americans. It African Americans is six to eight times more common in African Americans than in Caucasians. Recent studies indicate that the riskHispanics (especially for Hispanic higher age groups) populations is greater
  12. 12. Central cornealhypertension thickness <0.5mm High myopia Trauma (nearsightedness)
  13. 13. People at high risk forglaucoma should get acomplete eye exam,including eye dilation,every one or two years
  14. 14. Examination of Name of the test1.The inner eye pressure Tonometry2.Optic nerve Ophthalmoscopy (dilated eye examination)3.The complete field of vision Perimetry (visual field defect)4.The angle in the eye where the iris meets the cornea Gonioscopy5.Thickness of the cornea Pachymetry
  15. 15. Diagnosing glaucoma is not always easy, and The most importantcareful evaluation of the concern is protectingoptic nerve continues to your sight.be essential to diagnosis and treatment. If your condition is Doctors look at many particularly difficult to factors before making diagnose or treat, you decisions about your may be referred to a treatment. glaucoma specialist. A second opinion is always wise if you or your doctor become concerned about your diagnosis or your progress.
  16. 16. With the facts aboutglaucoma, you can take charge of your health with a few adjustments to your routine. Caring for your eyes mayinclude medication, surgery, or a combination of treatments
  17. 17. Carefully follow your medication Glaucoma regimen to Medication preserve a healthy eye pressure and prevent vision loss. Depending on the severity of glaucoma, laserGlaucoma Surgery treatment or conventional surgery may be necessary.
  18. 18. Beta blockers CarbonicProstaglandin anhydraze Derivatives inhibitors SympathomimeticsParasympathomimetics
  19. 19. Goniotomy TrabeculotomyImplants • for congenital glaucomas Trabeculectomy • for adult glaucomas
  20. 20. Glaucoma is a leading cause of blindness?Glaucoma can cause blindness if it is leftuntreated. And unfortunately approximately 10% ofpeople with glaucoma who receive propertreatment still experience loss of vision.
  21. 21. Glaucoma is not curable, and vision lost cannot be regained.With medication and/or surgery, it is possible to halt further loss of vision. Since glaucoma is achronic condition, it must be monitored for life.Immediate Diagnosis is the first step to preserving your vision.
  22. 22. Older people are at a higher risk for glaucoma but babies can be born withglaucoma (congenital glaucoma). Young adults can get glaucoma, too.
  23. 23. With open-angle glaucoma, the most common form, there are virtually no symptoms.Usually, no pain is associated with increased eye pressure. Vision loss begins with peripheral or side vision. You may compensate for this unconsciously by turning your head to the side, and may not notice anything until significant vision is lost.
  24. 24. It isimportantto haveyour eyesexaminedregularly ………..
  25. 25. Initiative by:Rotaract Club of The CaduceusAcknowledgement: Rtr. Resham Parikh (President) Rtr. Udit Dalmia (Vice-President and PD Director) Rtr. Sanket Shah (Secretary) Rtr. Pradnya Shinde (Project Designer)For further info. please contact: Rtr. Pradnya 8898512030 Rtr. Udit 9821888645 RID 3140

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