NR 325 - Audio/Visual - Exam 2
- ANS-AMD (Age Related Macular Degeneration)
- ANS-Cataracts (Image)
- a reduction in the outflow of aqueous humor that results from angle closure.
- caused by the lens bulging forward as a result of the aging process.
- can also be caused in a patient with narrow angles - ANS-Primary angle-closure glaucoma
(PACG)
- age related
- blunt or penetrating trauma
- maternal rubella
- radiation/UV
- systemic/topical corticosteroids - ANS-Cataracts: Risk Factors
- AKA Atrophic AMD
- accumulation of yellowish extracellular deposits called drusen - ANS-Age Related Macular
Degeneration (Dry AMD)
- AKA exudative
- growth of new blood vessels in an abnormal location in the retinal epithelium
- scar tissue forms - ANS-Wet AMD
- blurred and darkened vision
- scotomas (blind spots)
- metamorphopsia (distortion)
- may not notice if only in one eye - ANS-Macular Degeneration: Clinical Manifestations
- decrease in vision
- abnormal color perception
- glare - ANS-Cataracts: Clinical Manifestations
- decrease visual acuity
- complaints of visual dysfunction
- ophthalmoscope or slit lamp - ANS-Cataracts: Diagnosis
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