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17 Cards in this Set
- Front
- Back
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Low vision
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a loss of eyesight that makes everyday tasks difficult even when using corrective lenses.
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Macular Degeneration
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*aka AMD
*Dry/Wet AMD *Loss of Central Vision *Does not affect Peripheral vision *Does not cause total blindness |
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AMD
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Age-Related Macular Degeneration
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Dry AMD
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yellow deposits in macula
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Wet AMD
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*abnormal growth of blood vessels that bleed into the retina
*Treatment every 3 to 4 months w/laser to reduce blood vessels |
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AMD is most common in
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*people over 60 years of age
*Smokers *Family history |
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#1 cause of severe vision loss
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AMD
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Treatment for AMD
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*No cure but there are therapies
*Vitamins E, C, Zinc and Beta carotene |
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Glaucoma
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*inc. in intraocular pressure (IOP)
*2nd most common low vision disorder *Loss of Peripheral vision *Eventual loss of Central vision if left untreated *Can cause blindness!! |
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Open Angle Glaucoma
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*Most common in 90% of all Glaucoma cases
*slow clogging of the drainage canals, resulting in increased eye pressure *develops slowly and lifelong |
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Closed Angle Glaucoma
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*blocked drainage canals, resulting in a sudden rise in intraocular pressure
*50% of blindness more prevalent in Asians *develops quickly due to blockage *damage is noticable |
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Cataracts
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*clouding of lens of eye
*decrease in visual acuity *#1 cause of blindness in U.S. *one eye affected before the other *Tx: surgical removal of lens |
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Cataracts is said to be cause by:
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nutritional intake with Aging
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Diabetic Retinopathy
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*Affects both eyes / 4 STAGES
*Leaking, Swelling abnormal growth of blood vessels *restricted oxygen flow *Blood vessels in retina abnormalities block vision *Creates holes in vision / Dark Strings of Floss |
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Treatments for Diabetic Retinopathy
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*Laser Treatment
*Blood Sugar in check |
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What's the leading cause of blindness in diabetics?
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Diabetic Retinopathy
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Impact on Occupations
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*Safety: moving around familiar and non-familiar environments
*Social Isolation: loss of driving independence embarrassments in social situations |
