what is the purpose of photoreceptors a. they receive light and it into an image b. they focus the light coming into the eye c. they change light to electrical signals d. they contract and relax to control the pupil

Answer 1

The purpose of photoreceptors is c. they change light to electrical signals. Photoreceptors in the retina, such as rods and cones, convert light into electrical signals that are then sent to the brain for processing, allowing us to perceive images.