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 ...

Both short-sightedness and long-sightedness are common conditions which diminish a person's eyesight. Those with ...

The most commonly occurring defects of vision are ‘short sightedness’ and ‘long sightedness’. People who are ‘short sighted’ cannot see things that are far away. They can only see ...