There are three different types of cone cells which produce colour vision. The amount of light entering the eye is controlled by a reflex action. The size of the pupil changes in response to ...

Typically, our colour vision is trichromatic, meaning we have three types of cone cells in our eyes, blue, green and red, that respond to short, medium and long wavelengths of light. Each cone ...

We can see about a million different colours Most humans are trichromats, which means our eyes have three different types of cone cells: red, green or blue, able to detect about 100 shades each.

The macula is rich in cone photoreceptors—cells important for perceiving color and seeing finer details. Currently, there are no approved treatments to replace the damaged macula, despite its ...