the eye rods and cones

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The Two types of light sensitive cells in the retina are Rods and Cones.

Rods – Are stimulated in dim light( black and while)

Cones – Help us to see colors under high light intensity.

Radial muscle – contracts pupil get wider in bright light

Circular muscle – in dim light these muscles contact and pupil in size reduces.




Rods Cells

Three types of cones are

Sensitive to red light

Sensitive to green light

Sensitive to blue light



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