A disorder of the eye in which the retina separates from the layer underneath. Symptoms include floaters, flashes of light, and worsening of the outer part of the visual field. In about 7% of cases, both eyes are affected. Without treatment, permanent loss of vision may occur.

A macular hole (MH) is a retinal break commonly involving the fovea. Patients with this condition may experience Metamorphopsia (distortion of the central vision), central visual loss, or central scotoma can be reported.

Diabetic retinopathy is a condition in which damage occurs to the retina due to diabetes mellitus. It affects up to 80 percent of those who have had diabetes for 20 years or more. It is the #1 cause of blindness.