In this video, learn about different parts of the human eye and how our sight works ... there are millions of special sense receptors called rods and cones. The rods see the shapes of things ...

So, at the outset, nocturnal eyes gather more light than human eyes do ... to two different kinds of light receptor cells—rods and cones. (Both are named after their relative shapes.) ...

Here we show in animals with rod and cone degeneration due to mutations in the genes encoding rhodopsin and cGMP phosphodiesterase β-subunit (PDE-β) respectively, that rod bipolar cells received ...

Human cones can detect 3 colors ... 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 ...