What is Retina? The retina is a sensory layer located at the back of the eye and provides visual function. The retina, which perceives light and sends visual signals to the brain, processes the light coming through the cornea and lens in the eye and forms the final stage of the visual process. The retina is covered with nerve cells and billions of visual cells. Symptoms of Retinal Disease Although the symptoms of retinal diseases vary according to the type of disease, [...]