rod photoreceptors

Rod photoreceptors are specialized cells in the retina of your eye that detect light and help us see in low-light conditions. They are highly sensitive to brightness but do not detect color. When light enters the eye, rods convert it into electrical signals sent to the brain, allowing us to perceive shapes and movement in dim environments. They are essential for night vision and function best in darkness, but they become less active in bright light, where cone cells take over for color and detailed vision.