Question

When light rays enter the eye, most of the refraction occurs at the ____________.

Options

• crystalline lens

• outer surface of the cornea

• iris

• pupil

Answer 1

When light rays enter the eye, most of the refraction occurs at the outer surface of the cornea.

Explanation:

Most of the refraction for light rays entering the eye occurs at the outer surface of the cornea which acts as a primary lens converging in nature.