Step 1: Recall the parts of the human eye and their functions.
Optic nerve:
Transmits visual information to the brain.
Retina:
Contains photoreceptor cells (rods and cones) that detect light.
Pupil:
Controls the amount of light entering the eye.
Cornea:
Refracts light entering the eye.
Step 2: Identify the light-sensitive membrane.
The retina is the layer of the eye that contains the light-sensitive cells (photoreceptors).