Strangely, there is a small area in each eye where everyone is blind. What is that area? Where is it located?Why is it so ?
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Why Do I Have a Blind Spot in My Eye?
Medically reviewed by Ann Marie Griff, O.D. — Written by Jaime Herndon, MS, MPH, MFA — Updated on April 10, 2018
Have you ever been driving and getting ready to switch lanes, thinking it’s clear, and you turn your head to double-check and realize there’s actually a car driving in the lane next to you? That’s one example of our blind spot, also called the scotoma.
This is completely normal and usually not something to worry about.
What is the purpose of a blind spot in the eye?
The blind spot is where the optic nerve and blood vessels leave the eyeball. The optic nerve is connected to the brain. It carries images to the brain, where they’re processed. This is how we know what we’re seeing. Our eyes see the object or image, and our brain interprets it. Our brains typically fill in any information we need based on the images surrounding our blind spot, so we don’t usually notice it.
Side-view mirrors on cars are a good example of how we compensate for our blind spots. Many times, cars traveling next to us fall in our blind spot, and the side-view mirrors give us a different angle to view the same area. They allow us to “see” in our blind spot.
A recent study found that certain eye exercises can help reduce the size of the blind spot, but more research is needed. If one eye is trained, these gains did not transfer to the other untrained eye.
What causes a blind spot in the eye?
Each of our eyes has a tiny functional blind spot about the size of a pinhead. In this tiny area, where the optic nerve passes through the surface of the retina, there are no photoreceptors. Since there are no photoreceptor cells detecting light, it creates a blind spot. Without photoreceptor cells, the eye cannot send any messages about the image to the brain, which usually interprets the image for us.
Typically, the blind spot is nothing to worry about. It occurs naturally and serves a purpose. However, if you notice that your blind spot is getting larger, or if you have other blind spots in your field of vision, or floating blind spots, these are not normal, and should be evaluated by an eye doctor.
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I don't know...if our minds are tasty to her or not.....
She is a chocolate lovers and sweets lover....so she always says she wants to eat chocolates....
even if she is not well.... but she can't stay away from chocolates and music....
