where the optic nerve leaves the eye
The optic nerve leaves the eye at a location called the optic disk or optic nerve head
The optic nerve leaves the eye at a location called the optic disk or optic nerve head. This is the point on the retina where all the retinal nerve fibers converge to form a bundle that exits the eye and transmits visual information to the brain. The optic disk is located at the back of the eye, near the center of the retina. It is characterized by a small, slightly depressed area with no photoreceptor cells, which creates a blind spot in our visual field. This is because there are no light-sensitive cells at this point to detect incoming light and convert it into neural signals. Instead, the optic nerve carries the visual information from surrounding areas of the retina to the brain, where it is further processed and interpreted to create our perception of the visual world.
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