By Sheetal Kumari | January 23, 2025
The human eye can detect over 10 million different colours and is incredibly sensitive to light, adjusting instantly to different conditions.
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Every eye has a blind spot where the optic nerve connects to the retina, but the brain fills in the missing information.
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The eye can blink in just 100 milliseconds, which is quicker than the time it takes to process an image.
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Like fingerprints, no two human eyes are alike. The pattern of your iris is completely unique, even among identical twins.
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Your eyes can shift focus from one object to another in a fraction of a second, making your vision highly adaptable.
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Some people have tetrachromacy, meaning they can see up to 100 million colours, more than the average person’s 10 million!
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The eye’s eyelashes help protect against debris, while the blink reflex acts as a shield from bright lights and irritants.
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The average person produces about 1-1.5 quarts of tears every year to help protect and nourish the eye’s surface.
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Your eyes grow in size until you reach about the age of 2, after which they remain the same size throughout adulthood.
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The human eye is capable of adjusting to low light, but it takes about 30 minutes for full adaptation in the dark.
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