The light that enters the eye passes through various transparent tissues and focuses on the photosensitive tissue at the back portion of the eye. This photosensitive specialized tissue is called the retina. Retina has ten different layers, each responsible for specific functions. This layer gathers the light energy that enters the eye. It converts to electrical energy that reaches the brain, helping us see things around us. Any damage to the retina can cause a severe drop in visual functions. …
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