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Vision is a complex process. The human eye has many structures that contribute to vision. Which of the following statements describing the structures involved in the process of vision is NOT correct?Select one:

a. The cornea and lens bend light to focus the image on the retina.
b. Lenses move forward or backward to control the amount of light striking the retina.
c. The iris relaxes and contracts to protect the retina from excess light.
d. Ciliary muscles change the shape of the lens to focus both near and distant objects.

3 years ago

Answered By Emily D

B. is incorrect

Your eye's lens does not move forward or backward, it's either squished or flattened

It also doesn't control the *amount* of light striking the retina (your iris/pupil does), it controls the focal point of the light