What is armd?

Retinal cell damage: Age related macular degeneration is a deterioration of the cells in the retina which detect light. This disease only affects the cells in the central part of the retina called the macula. The damage is caused by exposure to uv light, oxidative stress and changes in blood supply.

See a retina special: Age-related macular degeneration is a genetic disease that occurs in older adults that affects the central vision (which is what the central retina [macula] is in charge of).