Question

Gyes iska kya ans h​

Answer 1

Hey mate ,

a) Presbyopia

b)It happens due to gradual weakening of ciliary muscles due to ageing

c) Lens is Bifocal

It have concave lens at top and convex lens below it .

Kindly see to attachment for lens diagram .You can draw both .

Hope you find it helpful!!

Do mark it as brainliest!!