How to See You Own Blind Spot?!
Did you know your retina (the back part of your eye) reacts to light and sends signals to the brain â which is what seeing is? There is, however, part of the retina that doesnât give visual information. This is your eyeâs blind spot. You are so used to it, you donât know it is there â until you try this simple experiment!
The optic nerve carries messages from your eye to your brain. This bundle of nerve fibres passes through one spot on the retina of your eye. In this spot there are no light receptors. When you hold the card so that the light from the dot falls on this spot you cannot see the dot. Your brain automatically âfills inâ the blind spot for you â taking its cue from what it sees surrounding the blind spot. This is why you just canât see a blind spot â even though it is right there, all the time.
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