Human Eyes Facts: Human Eye’s retinas actually perceive the outside world as upside-down – the brain flips the image for us. Your eyes start to develop in two weeks after you are conceived. To protect our eyes, they are positioned in a hollowed eye socket, while eyebrows prevent sweat dripping into your eyes and eyelashes keep dirt out of your eyes. In the World only 1/6 of the human eyeball is exposed. Human eyes retinas cannot detect the color red. Eyes heal quickly. With proper care, it takes only about 48 hours to repair a minor corneal scratch. On average, Eyes blink 17 times a minute. The Eyes are almost the same size as they were when were we born. And newborn babies can see clearly up to 15 inches away. Humans and dogs are the only species known to seek visual cues from another individual’s eyes, and dogs only do this when interacting with humans. “Red eye” occurs in photos because the light from the flash bounces off the back of the eye. The choroid is located behind the retina and is rich in blood vessels, which make it appear red on film. The Eyes are the second most complex organ after the brain. Out of all the muscles in the human body, the muscles that control eyes are the most active. 80% of vision problems worldwide are avoidable or even curable. Around the world, about 39 million people are blind and roughly 6 times that many have some kind of vision impairment. Some people are born with two different colored eyes. This condition is Heterochromia. Seeing is such a big part of everyday life that it requires about half of the brain to get involved. The average blink lasts for about 1/10th of a second. While it takes some time for most parts of your body to warm up to their full potential, human eyes are on their “A game” 24/7. The cells in human eye come in different shapes. Rod-shaped cells allow you to see shapes, and cone-shaped cells allow to see color. Each of eyes has a small blind spot in the back of the retina where the optic nerve attaches. We don’t notice the hole in your vision because our eyes work together to fill in each other’s blind spot. If you like this information and want to read more check this Interesting Facts, subscribe us and follow us on social networks for stay in touch with this.
encounterhit 
