Ocular Disease and Pathology Flashcards
6 cards from real AOA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Ocular Disease and Pathology flashcards as text
Which condition is characterized by painless, progressive peripheral vision loss and elevated intraocular pressure?
Answer: Primary open-angle glaucoma
Primary open-angle glaucoma (POAG) typically presents with painless, insidious peripheral visual field loss often accompanied by elevated IOP.
A patient presents with sudden onset of a dark curtain moving across their vision. Which condition is most likely?
Answer: Retinal detachment
A shadow or curtain moving across the visual field is the classic symptom of rhegmatogenous retinal detachment.
Which type of diabetic retinopathy is characterized by the presence of new blood vessel formation?
Answer: Proliferative diabetic retinopathy
Proliferative diabetic retinopathy (PDR) is defined by the growth of new, abnormal blood vessels (neovascularization) on the retinal surface.
Central geographic atrophy of the retinal pigment epithelium is a hallmark of which condition?
Answer: Dry age-related macular degeneration
Geographic atrophy of the RPE is the advanced form of dry (atrophic) AMD, leading to progressive central vision loss.
Bitemporal hemianopia is most commonly caused by a lesion at which anatomical location?
Answer: Optic chiasm
Bitemporal hemianopia results from compression of the crossing nasal fibers at the optic chiasm, most often by a pituitary adenoma.
Which clinical finding is most characteristic of keratoconus?
Answer: Irregular corneal thinning and steepening
Keratoconus is defined by progressive stromal thinning and ectasia (forward cone-shaped bulging) of the cornea causing irregular astigmatism.