Detached Retina (Retinal Detachment) ? Symptoms, Causes and Surgery

Detached Retina The retina is the light-sensitive tissue found at the posterior portion of the inner eye. It focuses the images that comes through the lens and converts them into electrical impulses which are sent to the brain via the optic nerve. It contains photoreceptor cells (cones and rods) contained in its most sensitive part, the macula. The retina has around seven million cones for detailed daytime vision and color perception; and about 75 ? 150 million rods for the dim light (black and white) and peripheral visions. A light-sensitive ganglion cell helps in the reflexive responses to bright light. The retina occupies around 65 percent of the eye?s inner [...]

Source: http://www.allhealthsite.com/detached-retina-symptoms-causes-surgery.html

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