The human eye has over two million working parts, making it one of the most complex organs in the body.
The human eye can distinguish around 10 million different colors.
The iris helps regulate the amount of light that enters the eye through the pupil, protecting it from too much brightness.
The average blink lasts for about 1/10th of a second.
The human eye blinks about 17 times per minute.
Eyes start to develop just two weeks after conception.
Eyes are the fastest muscle in the human body, moving up to 100 times per second.
Each eye has over 100 million light-sensitive cells called rods and cones.
Eyes can detect a candle flame from about 1.6 kilometers (1 mile) away.
The eyes of a newborn baby can see shapes and colors but lack the ability to focus on distant objects.
Your eyes can distinguish between about 500 shades of gray.
The cornea is the only part of the body with no blood supply; it gets oxygen directly from the air.
The size of your eye remains the same since birth.
Some people have a condition called heterochromia, where each eye is a different color.
Blinking helps keep the eyes moist, preventing them from drying out.
Your eyes are constantly producing tears to keep them lubricated.
80% of our memories are determined by what we see.
The eye muscles are the most active muscles in the whole body.
The eye can process 36,000 bits of information per hour.
The eye is the second most complex organ after the brain.
Newborns don’t produce tears until they are several weeks old.
Your eyes can adjust to seeing in dim light after about 30 minutes.
The muscles in your eyes move about 100,000 times a day.
The lens of the eye is faster than any camera lens, focusing in about 400 milliseconds.
Eyes are the only part of the human body that cannot repair themselves.
Your eye will focus on about 50 things per second.