A 68-year-old man presents with sudden, painless, profound monocular vision loss of 2 hours' duration. On examination, he has a relative afferent pupillary defect (RAPD) and the fundus shows the classic appearance marked A in the diagram — a cherry-red spot at the fovea with surrounding diffuse retinal whitening. Which of the following is the PRIMARY PATHOPHYSIOLOGICAL BASIS for the appearance of the structure marked A?

See the options, answer & explanation

Sign in free to reveal the answer choices, the correct answer, the detailed explanation, and AI-powered insights for this question.

Daily MCQs, study tips, and topper strategies on Telegram.