Marcus-Gunn sign is seen in -
causes of Marcus Gunn pupil. (In swinging flashlight test, the pupil on the diseasedside dilates on transferring light to it)  Optic neuritis  Optic atrophy  Retinal detachment  Central retinal aery occlusion  Central retinal vein occlusion Ref Comprehensive ophthalmology AK Khurana 4th edition page no 494
Retinitis pigmentosa
Retinal detachment
Diabetic retinopathy
Hypeensive retinopathy
Vitreous and retina