Question

name the light sensitive cells presence on the retina and mention their function

Answer 1

Retina: a light sensitive layer that lines the interior of the eye. It is composed of light sensitive cells known as rods and cones. The human eye contains about 125 million rods, which are necessary for seeing in dim light. Cones, on the other hand, function best in bright light. There are between 6 and 7 million cones in the eye and they are essential for receiving a sharp accurate image and for distinguishing colours. The retina works much in the same way as film in a camera.

Answer 2

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The retina of our eye has a large number of light sensitive cells. there are two kind of cells on retina:-

1. RODS -

the rod shaped cells present in retina of an eye which are sensitive to dim light. it helps people to see in low light.


2. CONES - they required bright light to see. they help to see colours.




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