Dogs see differently than humans. 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.

Can cats see in the dark? We have done the research. Jump in to read all about cat's vision and how they can see in the dark!

The retina is home to two different kinds of light receptor cells—rods and cones. (Both are named after their relative shapes.) Cones work in bright light and register detail, while rods work in ...

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

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 ...

Misotten L . Estimation of the ratio of cones to neurons in the fovea of the human retina. Invest Ophthalmol Vis Sci 1974;13:1045–9. Adams CK, Perez JM, Hawthorne MN . Rod and cone densities in ...