Question

a short note about pre sbyopia​

Answer 1

it is a situation where a person is unable to see near by object also far objects he is affected by both myopia as well as hypermeteropia it is corrected using bifocal lens. pls mark as brainliest

Answer 2

Presbyopia is the defect of vision in which a person cannot see clearly both the nearby objects and far objects due to less power of accommodation of the eye and

this is extra answer for you

The near point of old person having presbyopia gradually recedes and becomes much more than 25cm away