Your retina is sensitive to light and located at the back of your eye. Damage can occur because of injury or diseases that have genetic or other causes. Treatment depends on the condition you have. You may need medication, surgery or an implant. Some of the main retinal diseases include, Diabetic retinopathy, Age-Related Macular Degeneration (AMD), Retinal Detachment, Macular Holes, Retinal Vascular Diseases.