Write 10 facts about the physiology of vision.

Your eyes focus on 50 different objects every second.

The only organ more complex than the eye is the brain.

Your eyes can distinguish approximately 10 million different colors.

It is impossible to sneeze with your eyes open.

Ommatophobia is a fear of the eyes.

80 percent of all learning comes through the eyes.

Your eyes can detect a candle flame 1.7 miles away.

Your iris (the colored part of your eye) has 256 unique characteristics; your fingerprint has just 40.

Heterochromia is the medical term for having two different colored eyes.

Only 1/6 of your eyeball is visible.

Explanation:

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