12 interesting Eye Facts
- An ostrich’s eye is bigger than it’s brain.
- Eyes are organs that detect light, and send electrical impulses along the optic nerve to the visual and other areas of the brain.
- The average person blinks 12 times per minute.
- Babies cry but don’t produce tears until one to three months after birth.
- A weakness of the vertebrate eye is the blind spot at the optic disc where the optic nerve is formed at the back of the eye; there are no light sensitive rods or cones to respond to a light stimulus at this point.
- Our eyes are always the same size from birth, but our nose and ears never stop growing.
- 96% of animal species possess a complex optical system.
- All babies are color blind when they are born.
- The eyeball of a human weighs approximately 28 grams.
- The eye of a human can distinguish 500 shades of the gray.
- Our eyebrows are made to keep sweat from running into our eyes.
- Eyes are composed of more than two million working parts.
