Ocular migraine consists of brief periods of visual loss in one eye, which is accompanied or preceded by a headache. Flashing and zigzag lights are symptoms.
Aniridia is a genetic eye disorder in which the iris is partially or entirely absent. It is associated with glaucoma, cataract, keratopathy and other eye problems.
Color blindness is a visual disorder of perceiving parts of the color spectrum. Color blindness test helps in planning coping strategies for the color blind.