Caption The image on the left shows the smallest cones at the center of the retina, (the fovea). Whenever we direct our gaze at something, for example to read, the image of what we are looking at ...

Inside the retina, there are millions of special sense receptors called rods and cones. The rods see the shapes of things, picking out black, white and shades of grey, and the cones see the ...

The reason lies within the eye. In the eye are light receptors called cones and rods. Cones help us distinguish different colors, while rods help us see in dim light. The number of cones and rods ...

affect the circadian rhythm. The retina (the screen of the eye) contains cells called rods and cones. Cones are responsible ...