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Common defects of the eye and how they can be overcome
Two common defects of the eyes are myopia (short-sightedness) and hyperopia (long-sightedness). In both cases, rays of light do not focus on the retina so a clear image is not formed. These two ...
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Lockdown may have harmed eyesight of thousands of children
Both short-sightedness and long-sightedness are common conditions which diminish a person's eyesight. Short-sighted people (myopic) have difficulty seeing objects at a distance. They favour ...