Question

question 6
light waves are first transmitted through the ____ at the front of the eye and enter an opening called the ____ before shining onto the retina.
a cornea: pupil
b sclera: lens
c lens: sclera
d pupil; cornea

Explanation:

The cornea is the clear front - part of the eye that transmits light. The pupil is the opening through which light enters the eye after passing through the cornea. The sclera is the white outer coating of the eyeball and not involved in the initial light - transmission described. The lens is behind the pupil and helps focus light, but the first structure light passes through is the cornea.

Answer:

A. cornea; pupil