Question

Define blind spot.[no spam]

Answer 1

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At the juction of the optic nerve and the retin,there are no sensory cells. so no vision is possible at that spot. This is called Blind spot.

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Answer 2

Explanation:

Blind spot, small portion of the visual field of each eye that corresponds to the position of the optic disk (also known as the optic nerve head) within the retina. There are no photoreceptors (i.e., rods or cones) in the optic disk, and, therefore, there is no image detection in this area.

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