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Blue eyes tend to be more sensitive to light.
#eyefact #blueeyes

The space between your eyebrows is called Nasion.
#eyefact

Bees have five eyes.
#eyefact

Chameleons can move their eyes in two directions at the same time.
#eyefact

Your eyes can get sunburned.
#eyehealth #eyefact

Albert Einstein's eyes remain in a safe box in NYC.
#eyefact #einstein

Researchers have successfully used the game TETRIS to treat "lazy eye" in adults.
#eyefact

An Ostrich's eye is bigger than its brain.
#eyefact

We spend about 10% of our waking hours with our eyes closed, blinking.
#eyefact

All blue eyed people can be traced back to one person who lived near the Black Sea almost 10,000 years ago.
#eyefact #blueeyes

If the human eye was a digital camera it would have 576 megapixels.
#eyefact

Some women can have a genetic mutation which causes them to see millions of more colours than other people.
#eyefact

The human eye can distinguish about 10 million different colors.
... #eyefact
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The first modern corneal contact lenses were made in 1949, and didn’t become well known until the 70’s.

Records from 13th century Italy show that glass lenses were used to correct vision, but instead of mounting them in front of the eyes, they were placed directly into the eyes!
#eyefact

The first sunglasses date back to 12th century China, where flat crystals of smoky quartz were mounted for personal use to reduce the glare from the sun.
#eyefact

Early Spanish eyeglass manufacturers fixed ribbons to the lenses and looped the ribbons on the wearer’s ears to keep them from constantly slipping down the nose.
#eyefact