Berdine has developed cataracts in both eyes,preventing her from being able to identify even her mother's face. Berdine most clearly suffers a deficiency in

A) the optic nerve.
B) accommodation.
C) bottom-up processing.
D) psychopshysics.

Cataracts

A medical condition where the lens of the eye becomes progressively opaque, resulting in blurred vision.

Accommodation

In cognitive psychology, the process of modifying existing cognitive schemas or perceptions to incorporate new information.

Optic Nerve

The nerve that carries neural impulses from the eye to the brain.