The depressed spot in the retina that occupies the centre of the visual field in which images are focused MOST sharply is called the:
A)fovea.
B)cornea.
C)iris.
D)optic nerve.

Question

Quizplus · Accepted Answer

The fovea is the central depressed spot in the retina where cones are tightly packed and where images are focused with the greatest sharpness and clarity. The cornea is the transparent layer at the front of the eye that helps to focus light onto the retina. The iris is the colored portion of the eye that regulates the amount of light entering the eye. The optic nerve is a bundle of nerve fibers that carries visual information from the eye to the brain. None of the other options match the description of the depressed spot in the retina where images are focused most sharply.

The Depressed Spot in the Retina That Occupies the Centre