What are cones?
Cones are one of the two types of light-sensitive cells in your retina. The human retina contains 6-7 million of them, and they are essential for acute vision.
There are three types of cones which respond to three different wavelengths of light and enable us to see in colour. Cones function best in bright light.
We recommend you seek professional advice if you are concerned about your eye healthRequest an eye test
Search for more answers:
More help in store
If you need more help, you can contact us by searching for your nearest store below. Just type in your postcode, city or town.