An old person is suffering from an eye defect caused by weakening of ciliary muscles and diminishing flexibility of the eye lens. If the defect of vision is 'a' which can be corrected by lens 'b', then 'a' and 'b' respectively are :

Question

Aicharya · Accepted Answer

Presbyopia and bifocal lens

An old person is suffering from an eye defect caused by weakening of ciliary muscles and diminishing…

Solution