Question

Colour blindness is due to

• A. Deficiency of Vitamin A
• B. Deficiency of Vitamin D
• C. Deficiency of Vitamin E
• D. None of the above

Answer 1

The correct option is D None of the above

Colour blindness is a genetic condition. Colour blindness is an inherited condition, that affects males more frequently than females. Colour blindness occurs, when light-sensitive cells in the retina fail to respond appropriately to variations in wavelengths of light that enable people to see an colours. It occurs due to absence of specific cone systems responsible for colour vision.