An ocular migraine, or migraine with aura, is a migraine
that is accompanied by a visual disturbance.
Sarcoidosis
Sarcoidosis causes granulomas, which are clumps of
immune cells, to form in organs such as the eye.
Symptoms of sarcoidosis in the eye include dry, itch eyes,
discharge, burning sensation, and vision loss.
Retinal vascular occlusion
A retinal vascular occlusion is when a blockage or blood
clot forms in the veins or arteries transporting blood to or
from the retina. It can get in the way of the eye's ability to
filter light properly, and can cause vision loss.