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When do we consider a student sitting in the class to be myopic ? List two causes of this defect. Explain using a ray diagram how this defect of eye can be corrected.

 

 

 

 
 
 
 
 

Answers (1)

Myopia means near sightedness when a student is unable to use clearly far away object we consider the student to have myopia.

Causes ; (1) Excersive curvature of eye lens

                (2) Alongation of eye ball 

Posted by

Sumit Saini

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