Question

Colour blindness, which causes complete loss of perception of colour is known as

• A. Chromasia
• B. Dichromasia
• C. Monochromasia
• D. All of the above

Answer 1

The correct option is C Monochromasia

Dichromatic colour vision is marked by the presence of two types of functional cones and one non-functional cone type. It makes the person unable to perceive specific section of the light spectrum.

Monochromasia is the absence of colour perception and person sees no colour at all.

Chromasia is the ability to sense the colour.

So, the correct answer is option C.