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Retina and Vitreous Disorders Flashcards

7 cards from real ABO practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Retina and Vitreous Disorders flashcards as text

  1. Why did the AREDS2 formulation replace beta-carotene with lutein and zeaxanthin?

    Answer: Beta-carotene raised the risk of lung cancer in smokers

    Beta-carotene was linked to higher lung cancer risk in current and former smokers, and lutein/zeaxanthin was a safe, effective substitute.

  2. Which imaging test is the gold standard for diagnosing polypoidal choroidal vasculopathy?

    Answer: Indocyanine green angiography

    ICGA shows the hyperfluorescent polyps and branching vascular network that define PCV.

  3. For hydroxychloroquine screening in an Asian patient, which visual field protocol is recommended in addition to 10-2 testing?

    Answer: 24-2 or 30-2 visual field

    Asian patients often show pericentral toxicity outside the central 10 degrees, so wider-field testing is advised.

  4. Per the Branch Vein Occlusion Study, when is scatter laser photocoagulation indicated in BRVO?

    Answer: Once retinal or disc neovascularization develops

    BVOS supported scatter laser after neovascularization develops rather than prophylactically in nonperfused eyes.

  5. Per the Central Vein Occlusion Study, what is the recommended management for an ischemic CRVO without neovascularization?

    Answer: Close follow-up with PRP once iris or angle neovascularization appears

    CVOS found no significant benefit to prophylactic PRP and recommended prompt PRP when anterior segment neovascularization develops, with frequent gonioscopy.

  6. The COMS medium tumor trial compared iodine-125 brachytherapy with enucleation for choroidal melanoma. What was the main result?

    Answer: There was no significant difference in all-cause mortality

    COMS showed similar 12-year all-cause mortality between brachytherapy and enucleation for medium choroidal melanomas.

  7. A 6-year-old boy has unilateral retinal telangiectasia with extensive yellow subretinal exudation and no calcification on imaging. What is the most likely diagnosis?

    Answer: Coats disease

    Coats disease typically affects young males unilaterally with telangiectatic vessels and exudation, and it lacks the calcification seen in retinoblastoma.