What Are The Common Retinal Diseases?

Retinal Detachment

Retinal detachment is a disease characterized by the separation of the retina from the back eye wall. When a retinal detachment occurs, the retina becomes detached from its supply of blood. Without a blood supply, the retina will no longer function normally. Common symptoms that occur with this disease include flashing lights, peripheral shadows or curtains, and frequent floaters.

There are three main types of retinal detachment. Rhegmatogenous retinal detachments are the most common, and they occur when fluid passes through a hole or tear in the retina. The retina then detaches from its underlying blood supply because of the collection of fluid underneath the retina. Tractional retinal detachments occur when scar tissue develops on the retinal surface and pulls the retina away from the back wall of the eye. Exudative retinal detachments happen when the blood vessels leak fluid, and it accumulates underneath the retina. This type of retinal detachment occurs as a result of abnormal inflammation or too much leakage from abnormal blood vessels.

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