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What is Marcus Gunn pupil is a feature of all, EXCEPT: and explain in detail?
Marcus Gunn Pupil: In swinging flashlight test, the pupil on the diseased side dilates on transferring light to it. It is positive in the following cases: Optic neuritis Optic atrophy Retinal detachment Central retinal vein occlusion Central retinal aery occlusion Ref: Review of ophthalmology A.K.Khurana, 5Th Ed, page 22.