Question

what is night blindness and colour blindness
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Answer 1

Answer:

Night Blindness is an inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder

Colour blindness usually involves the inability to distinguish between shades of red and green.

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Answer 2

Night blindness : It is a condition in which a person is not able to see during night time.

This is due to lack Rod cells.

Colour blindness : It is a condition in which a person is not able to see a particular colour.