Q. Colour blindness can be removed by using :

A
Convex lens
B
Concave lens
C
Cylindrical lens
D
None of these
Solution:

In this disease, the person is unable to see the colors or we can say that the person is unable to distinguish the colors of different objects. Since it is not a defect from an internal part of the eye, therefore it cannot be cured with the help of any type of lens such as concave, convex or cylindrical.

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