nose
ge
43. What is near-sightedness (short
sight) or myopia? How can it be
corrected?
Answers
Answered by
7
Answer :-
Myopia Or Short Shightedness :-
The inability of an eye in veiwing long distance objects is called myopia or short Shightedness.
Reason :-
- This defect is caused by an elongation of eye ball and excessive curvature of the lens .
- excessive curvature of eyelens and eyelens becomes more converging.
Method of correction:-
- The short Shightedness is corrected by using a concave lens of suitable power or focal length.Which diverges and shifts the image to the retina.
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