IDENTIFY THE DEFECT IN HUMAN EYE
Asked by drjambagils | 20th Feb, 2010, 07:05: PM
if you place an object at the focallength the other side of teh lens you will get parallel rays of light.
If he is not able to focus the parallel rays it can be short sight or long sight.
Any way he is already wearing cinvex lens this is fir long sight problem (whocan see only objects at long dustances)
Answered by | 22nd Feb, 2010, 07:11: PM
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