![]() It is possible to offer a surgical procedure with the potential for some visual improvement. ![]() This process results in a defect or dark spot in the central vision with distortion and in the longer term severe loss of central vision.ĭecreased central vision for both distance and reading activities, distortion in central vision and a defect in the central vision where letters may disappear. In a small number of cases, shrinkage and movement of the vitreous can result in the formation of a hole in the macular region, known as a macular hole. ![]() In most cases, this pulling away or vitreous separation occurs without any negative effect. As the vitreous shrinks, it pulls away from the surface of the retina. As a person ages, the vitreous ‘jelly’ begins to shrink, being replaced by fluid. The central portion of the eye is filled with a jelly-like substance known as the vitreous. The macula is the central part of the retina, which is capable of the detailed vision, necessary for tasks such as reading. Only the central portion of the retina, the macula, is sensitive enough to provide high quality vision for tasks such as reading, watching television, or driving. Unlike a camera, the image obtained by the retina is not of uniform clarity or sharpness. ![]() Light rays enter the eye through the transparent (clear) cornea, and must pass through the lens and vitreous (a jelly-like substance) before reaching the retina. The retina is the light sensitive layer at the back of the eye (film), which transmits the messages along the optic nerve to the brain. ![]()
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