There are two types of macular degeneration: dry and wet. Dry age-related macular degeneration is the most common type — it happens when small deposits form under the retina, causing cells in the ...

CRVO occurs when blood can no longer travel through the main blood vessel that brings blood to the back of the eye. This can cause swelling, and it may lead to vision loss. The retina is a layer of ...

The back of your eye has a layer called the retina that converts light into signals. Your brain interprets those signals as images. The middle of the retina has a small area called the macula. It's in ...

The retina is layered with photoreceptors, a variety of other neurons, and protective and structural membranes, but retinal disorders can tamper with this delicate system. Mutations in the Crumbs ...