Retina in our eye
Important of retina why retina important, retina as a picture formation place,retina to image transfer to brain discuss with complete details...
Retina
It is innermost layer of the eye ball.
It contains 2 aub-layer.
Outer layer
Inner layer
Outer layer
An outer layer of pigment cells lying immediately after the choroid.
Retina
Inner layer
It consists of two types of visual cells
Rods
Cones
1-Rods
It contains visual purple which can distinguish various degrees of light and darkness.
The shape of rods are cylindrical.
Each eye contains 100 million of rods.
2-cones
It is concerned other colour vision.
The shape of cons are pyramidal.
It's shape vary in different part of retina.
Each eye contains about 7 million cones.
In hello spot contains large number of cones.
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