does optic nerve have sensory cells - cones and rods? If not,where they are present? plsss tell
Answers
Answer:
It is a special sensory nerve responsible for vision. The information received from the external environment passes to the rods and cones on the retina, and then to bipolar cells, ganglion cells, and ultimately to the optic nerve. The nerve contains layers of meninges as it is viewed as a direct extension of the brain.
The rods and cones are the photoreceptive cells of the retina, at the rear of the eye. The cones cells are responsible for color vision, and are most dense in the central portion of the retina, an area called the fovea.
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Answer:
No, on the retina.
Explanation:
The light sensitive cells- rods and cones are present on the surface of retina, which acts as a screen to form real images, in the eye.
They are not present in the optic nerve.
The point where the optic nerve touches the retina is called blind spot and since no light sensitive sells are found here, any image the forms here is not visible to us.