What differs in the visual perception of a human dichromat and a human trichromat

A)  colour vision 
B)  visual acuity 
C)  dark and light adaptation 
D)  peripheral vision

Dichromat

A condition where a person has difficulty distinguishing between two colors due to a deficiency in one of the three types of cone cells in the retina.

Trichromat

An individual who has full color vision and can perceive all three primary colors, typically characteristic of normal human vision.

Colour Vision

The ability of the eye and brain to perceive and interpret various wavelengths of light as distinct colours.