What is a retinal disorder?

Back of the eye...: A retinal disorder is a disease which reduces vision in the light sensitive layer on the back of the eye. This is analogous to the film in a camera.

Affects the retina: Inner layer of the eyeball that detects and processes light. Like wallpaper inside a room, it's akin to the film of a camera.

Disease of retina. : A retinal disorder is anything that affects the normal anatomy or function of the tissue lining the inside of the eye called the retina.