1 MCQs in Ophthalmology for NEET PG
A 58-year-old man with a 10-year history of primary open-angle glaucoma presents for routine fundoscopy. Examination reveals the structure marked **A** in the diagram — an increased cup-to-disc ratio of 0.75 with vertical elongation. The patient reports no ocular pain and denies any recent vision loss. Gonioscopy confirms an open angle. Which of the following best explains the pathophysiology underlying this optic disc finding?
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