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A member asked:
How come brains have blindspots?
3 doctors weighed in across 2 answers
Anatomy: The normal blind spot that all people have is a result of where the optic nerve inserts into the eyeball causing there to be no retinal tissue at that spot. Abnormal blind spots can be the result of many different disease processes.
Answered 8/6/2013
5k views
It does not: The brain has no "blind spots", the eye does. The place in the retina, where the optic nerve leaves the eye on its way to the brain, does not have photoreceptors and therefore corresponds to a "blind spot" in every body's visual field.
Answered 1/5/2014
4.9k views
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