Q. 384.3( 3 Votes )

What are Presbyop

Answer :

● Presbyopia – The power of accommodation of eye usually decrease with ageing. For most of the people, the near point gradually recedes away. They find it difficult to see nearby objects comfortably and distant objects also.

● Astigmatism - It takes place due to irregular curvature or spherical shape of the cornea. In this defect, person is not able to differentiate between vertical and horizontal lines at a time. It can be corrected using the cylindrical lens.

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