The retina is like the film in a camera. It is the seeing tissue of the eye. Retina has 2 parts: The peripheral retina and central Macula. Macula being the central part is capable of producing sharp and clear image. These clear images enable us to read, write and do all fine work.
Conditions like Diabetes, Age related Macular degeneration and Macular holes which can damage retina and hamper vision.