Author Archives: tsusnick

A genetic retinal disorder. Onset typically occurs in a person’s fifth to sixth decade. Symptoms include night blindness, progressing to severe central and peripheral degeneration with choroidal neovascularization and chorioretinal atrophy. Because it is late onset, it is often mistaken for regular macular degeneration. Note, however, that this disorder, in its severest state, affects both […]

Visual impairment is caused by damage to those parts of the brain related to vision. Although the eye is normal, the brain cannot properly process the information it receives. The degree of low vision may be mild or severe and can vary greatly, even daily. Also known as cerebral visual impairment, cortical visual impairment (CVI) […]

Neuromyelitis optica (NMO), also known as Devic’s disease, is an autoimmune disorder in which immune system cells and antibodies mistakenly attack and destroy myelin cells in the optic nerves (neuritis) and the spinal cord (myelitis). NMO leads to the loss of myelin, a fatty substance that surrounds nerve fibers and helps nerve signals move from […]

Inflammation inside the eye affects the structures that provide most of the blood supply to the retina. Uveitis may affect one or both eyes. The condition may be associated with an underlying disease or have other causes, but in many cases, it affects people who are otherwise healthy. People with uveitis typically experience redness of […]

 Macular telangiectasia (MacTel) is an eye condition that affects the macula, the part of the retina responsible for central vision, by causing small blood vessels to swell, leading to vision loss. It affects about 2 million people worldwide and has two main types: Type 1, which typically affects one eye in young men, and Type […]