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 ...

Cones work in bright light and register detail, while rods work in low light ... is not absorbed on this return trip passes out of the eye the same way it came in—through the pupil.

Because the front of the eye is curved, it bends the light as ... Inside the retina, there are millions of special sense receptors called rods and cones. The rods see the shapes of things, picking ...

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

Rod and cone densities in the Rhesus ... Wolff's anatomy of the eye and orbit. 8th ed. London: Chapman and Hall, 1997. Borwein BD, Borwein D, Medeiros J, McGowan JW . The ultrastructure of ...