What's the colorful rocky-like part called?

What's the deep black hole in the center of the eye called?

The eye receives light from the outside; later on, the brain interprets the images and colors.

The eye sees the world upside-down

These cells are responsible for our color-vision

These cells can only perceive black and white, giving us notion of silhouettes.

This part is at the back of the eye, it's where images from the world get projected and perceived.

Select the 3 basic light colors our eye transforms into the whole spectrum

Can color-blind people see red?

What's the purpose of the pupil?