Destruction to the cone cells from disease would result in blindness.
If a person's eye has no cone cells, then they cannot see any color at all.
There are three types of cone cells in the human eye.
People usually have three types of cone cells in the eye.
Human eyes have color receptors known as cone cells, of which there are three types.
Most fish have double cones, a pair of cone cells joined to each other.
You see color when your cone cells sense different amounts of these three basic colors.
Human eyes usually have different types of cone cells.
The reason why this problem occurs is because patients do not have the red cone cells in the retina.
Patients do not have the blue cone cells in the retina.