photoreceptors
/ˌfoʊtoʊrɪˈsɛptərz/
noun
- Cells in the eye that react to light and send signals to the brain, allowing us to see.
- When light hits the photoreceptors in your retina, they send a message to your brain.
- The human eye has two main types of photoreceptors: rods and cones.
- Damage to the photoreceptors can cause vision problems or blindness.