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  • When do we consider a person to be myopic or hypermetropic? List two causes of hypermetropia. Explain using ray diagrams how the defect associated with the hypermetropic eye can be corrected.    <div style="float:left; width:

When do we consider a person to be myopic or hypermetropic? List two causes of hypermetropia. Explain using ray diagrams how the defect associated with the hypermetropic eye can be corrected. 

 

 

 

 
 
 
 
 

Answers (1)

A person is considered to be myopic if he can see nearby by or close objects but is unable to see the objects placed far away.

A person is considered to be hypermetropic if he is not able to see nearby or close objects but can see distant objects.

Causes of hypermetropia - 

  1. The long focal length of the eye lens
  2. The eyeball has become too small

 

The correct hypermetropia eye, the person has to use spectacles of a convex lens.

Posted by

Sumit Saini

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