What are retinal cones?

Retinal cones are tiny sensors in your eyes that help you see colors.

Imagine your eye is like a camera, and retinal cones are like special pixels on the film inside that camera, but instead of just showing black and white, they show colors. Just like how a rainbow has red, green, and blue, there are three main types of retinal cones in your eyes, each good at catching one of those colors.

When light enters your eye, it hits these special sensors. Each cone is like a little detective, if the light is red, the red-detecting cone stands up and says, "I got this!" The same goes for green and blue. Your brain then takes all that information and puts it together to make you see a beautiful colorful world.

If you only had one type of cone, everything would look like it's in black and white, kind of like watching a movie with no color! But because you have three types of retinal cones, you can enjoy the bright red of an apple, the deep green of grass, and the soft blue of the sky.