Night blindness is caused due to the lack of Vitamin _____.

Left eye: $+2.00 \mathrm{D}$, Right eye: $+2.25 \mathrm{D}$

The child is suffering from the defect of vision called

Figures indicate the point of focus, in case of -

Which of the following statements is correct? A person with:

A person got his eyes tested. The optician's prescription for the spectacles reads:

Left eye: $-3.00 \mathrm{D}$, Right eye: $-3.50 \mathrm{D}$

The person is having a defect of vision called

A person cannot see objects kept beyond $4 \mathrm{m}$. This defect can be corrected by using a lens of power;