the eye rods and cones

Health, HSB/Inte Science | November 8, 2012 | Comments 1
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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


One thought on “the eye rods and cones

  1. does anybody know anything about Facrus lemma function???
    and about Cones & Rods of the three eye??

    Help is needed…

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