The exposure In the retina of the eye Is more effective when in a well lit area. And effective in low light than the rods. But it is capable of receiving light colors.
As a large screen facing the light eyes are better when there is sufficient lighting and was effective in a cell under the light bars, but whether it has the ability to receive light.
as the light in the eyes of จอตา will have better performance when it is in a well-lit, and there is a performance in the form of bullion, but low-light than cells that have the ability to color.