What are the light-sensitive cells that provide color vision and vision in low light?

Photoreceptors are called light-sensitive cells. They are found on the inner lining of the eyeball (retina). These are rods and cones. Their shape (thanks to which they got their names) ensures the maximum degree of light perception. The rods contain one pigment, rhodopsin, so it is impossible to distinguish colors and shades, but they are most sensitive to light, thereby providing night (twilight) vision. The cones are responsible for vision during daylight hours. Cones are divided into 3 types – sensitive to short wavelength spectrum, medium wavelength and long wavelength (violet-blue, green-yellow and yellow-red, respectively). Color vision gives a person the joint work of rods and cones.



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