(a) Anuja’s father is suffering from a defect of vision known as presbyopia.
(b) It can be corrected by using spectacles having convex lenses of appropriate power.
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प्रश्न
Anuja’s father cannot see nearby objects clearly.
(a) What is the eye defect he is suffering from?
(b) How is it corrected?
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संबंधित प्रश्न
A person needs a lens of power -5.5 dioptres for correcting his distant vision. For correcting his near vision he needs a lens of power +1.5 dioptre. What is the focal length of the lens required for correcting (i) distant vision and (ii) near vision?
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The defect of eye occurring due to ageing
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Distinguish between:
Myopia - Presbyopia
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Write a short note on Presbyopia.
