Question

An old man is unable to see clearly nearby objectsas well as distant objects.What defect of vision is he suffering for

Answer 1

the old man is unable to see clearly and unable to see distant objects because he suffers from a defect called presbyopia. this eye effect occurs in old age people where they cannot see neither the distant object nor the near object . such kind of a defect can be rectified by wearing a by focal lens

Answer 2

Hi friend!

He is suffering from presbyopia and to correct this he must use bifocal lens i.e., both convex and concave

Hope you understood...

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