Question

Briefly explain the role of vitamin A in maintaining normal vision

Answer 1

In the eyes, a form of vitamin A called retinal is combined with a protein called opsin to give rhodopsin, an essential light absorbing molecule needed for color vision and seeing in dim light.

Answer 2

Role of vitamin A :
Protects the surface of eye (cornea)
Retinal(a form of vitamin A) and opsin (protein) combine together to give rhodopsin(absorb light),which is essential for coloured vision and seeing in dim light, also night vision.