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Causes for Defective Vision
The central portion of the eye is filled with a clear, gel-like material known as vitreous. As a person ages, the vitreous material keeps on getting shrinker and pull away from the interior wall of the eye. As it pulls away from the interior wall of the eye, it results in a retinal tear.
Some of the Main Causes of Defective Vision are:
- Lack of taking nutrients like vitamin A, vitamin E, protein etc.
- Excessive mental or physical strain on the eyes may also lead to defective vision.
- Improper Blood and Nerve Supply: The improper blood and nerve supply are one of the chief causes of defective vision.
- Reading in dim light or too glaring a light: Other causes of defective vision are reading in very dim light or in too glaring a light.
- Reading in moving trains, buses or cars may also lead to defective vision.
- Watching too much television and films; and excessive reading - are another causes of defective vision.
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