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प्रश्न
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.
संक्षेप में उत्तर
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उत्तर
Myopia means near sightedness, when a student is unable to use clearly far away objects we consider the student to have myopia.
Causes :
Excessive curvature of the eye lens
Alongation of the eyeball
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