“If I hold the affected eye closed, I see normally” Color desaturation and recovery during remission (e.g., optic neuritis).Persisting blindness, accompanied by, for example, “many dark dots ” (vitreous body hemorrhage preceding retinal detachment).Transient with slow development over 5–60 min (retinal migraine).Relative to absolute scotoma (archlike in migraine beamlike in retinal detachment).Inflammatory cause (e.g., optic neuritis).Malperfusion (e.g., central retinal artery occlusion ).→ NB: Discrepancy between patient’s description and lack of causative stimuli I see fields of roses in bloom at the top right, but I know they’re not really there” Visual perception of simple shapes to complex figures, persons, events “I can’t leave the house without sunglasses” “I see flashes of light that pop up just for a moment” Tracks: “A fast-moving ball has a tail”.After-images: “The picture on the screen goes with me.
“After 30 minutes’ walking at night, I have to be led” Night blindness, in mild form disturbed night vision “Things appear larger or smaller than they are” “Street lights are surrounded by a ring of light”Īltered perception of objects, with increase or decrease in size “Little threads move according to the direction I look in” “When I look up into the sky I see small wriggling dots”įloaters (mouches volantes/vitreous body opacities) Light-colored, erratically moving dots (leukocytes in the capillaries) Blue field entoptic phenomenon (Scheerer phenomenon)
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