A person suffering from myopia has either of one problems:high converging power of eye lens or eye ball becomes too long..The concave lens used to correct the defect of myopia reduces converging power of eye lens, but what is done to correct the defect of person having normal converging power of eye but has too long eye ball?

Asked by  | 8th Feb, 2012, 12:47: PM

Expert Answer:

Short sighted people cannot see distant objects clearly. The eye ball is too long for the lens system and rays from any distant object come to a focus just in front of the retina. A concave lens is placed in front of the eye to correct the fault. 

Answered by  | 9th Feb, 2012, 09:44: AM

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