Brown eyes are actually blue underneath the brown pigment. There is even a laser procedure that can turn brown eyes blue forever.
Every 12th male is color blind.
Your eyes will always remain the same size as at birth, and your ears and nose will not stop growing.
The human eye can perceive only three parts of the spectrum: red, blue and green. The rest of the colors are a combination of these colors.
The cornea of the human eye is so similar to the cornea of a shark that the latter is used as a substitute for eye surgery.
On average, we see about 24 million different images over a lifetime.
The eyes transmit a huge amount of information to the brain every hour. The bandwidth of this channel is comparable to that of Internet providers in a large city.
Our eyes focus on about 50 things per second.
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The Maya found squint attractive and tried to make their children squint.
Schizophrenia can be determined with an accuracy of 98.3% using a routine eye movement test.
Humans and dogs are the only ones looking for visual cues in the eyes of others, and dogs only do this by interacting with humans.
About 2% of people have a rare genetic mutation that causes them to have an extra retinal cone. This allows them to see 100 million colors. Ordinary people distinguish about a million colors.
Astronauts cannot cry in space because of gravity. Tears collect in small balls and begin to pinch the eyes.
Bees have hairs in their eyes. They help determine wind direction and flight speed.
About 65–85% of white cats with blue eyes are deaf.