A retina specialist is a medical doctor who has specialized in ophthalmology and sub-specialized in diseases and surgery of the vitreous retina.
The Amsler Grid
The Amsler grid is a tool that eye doctors use to detect vision problems resulting from damage to the macula (the central part of the retina) or the optic nerve.
Retinal diseases vary widely, but most of them cause visual symptoms. Retinal diseases can affect any part of your retina, a thin layer of tissue on the inside back wall of your eye.