Why does optic nerve cause a blind spot?

Answer 1

Optic nerves, which run from the retina of our eyes to the brain, essentially connect our eyes and brain.

The optic disc, the starting point of the optic nerve that emerges from the retina, is known as the blind spot because it is devoid of photoreceptors (cones and rods), which prevent it from being stimulated when exposed to light.

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Answer 2

Vivian Aronson

A blind spot is caused by the optic nerve, which is made up of axons that leave the eye and form a bundle that travels through the back of the eye, resulting in a small area devoid of photoreceptors.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.