The eyes are complex and fascinating organs. Here are some interesting facts about the eyes: *Eye Structure and Function* 1. The eye has 7 layers: cornea, sclera, iris, lens, retina, macula, and optic nerve. 2. The retina contains 120 million photoreceptors (rods and cones). 3. Iris colors are determined by melanin levels. 4. Pupils dilate or constrict to regulate light entry. 5. Blinking helps maintain eye moisture and cleanliness. *Vision and Perception* 1. Human eyes can detect 10 million colors. 2. 20/20 vision is considered normal visual acuity. 3. Peripheral vision extends 180° horizontally. 4. Depth perception relies on binocular vision. 5. Brain processing affects color perception. *Eye Health and Conditions* 1. Myopia (nearsightedness) affects 30% of the world's population. 2. Hyperopia (farsightedness) affects 10% of adults. 3. Astigmatism affects 20% of adults. 4. Cataracts affect 24.4 million Americans. 5. Glaucoma affects 80 million people worldwide. *Interesting Eye Facts* 1. Newborns have 30% developed vision. 2. Eyes develop before birth. 3. Eye color changes during childhood. 4. Some people have heterochromia (different colored eyes). 5. Eyes can process 36,000 bits of information every hour. *Record-Breaking Eyes* 1. Longest recorded eyelash: 6.99 cm (2.75 in). 2. Largest eye tumor: 2.5 kg (5.5 lbs). 3. Most contact lenses worn: 250 pairs. 4. Longest recorded gaze: 41 minutes. 5. Fastest recorded blink: 0.05 seconds. *Eye Symbolism and Culture* 1. Ancient Egyptians revered eyes as symbols of protection. 2. Eye of Horus is an ancient Egyptian symbol. 3. In many cultures, eyes represent wisdom and insight. 4. Eye contact varies across cultures. 5. Eyes are often associated with beauty and attractiveness. Would you like to know more about: 1. Eye anatomy and physiology 2. Eye diseases and treatments 3. Vision correction options 4. Eye-related myths and legends
Current and classic episodes, featuring compelling true-crime mysteries, powerful documentaries and in-depth investigations. Follow now to get the latest episodes of Dateline NBC completely free, or subscribe to Dateline Premium for ad-free listening and exclusive bonus content: DatelinePremium.com
If you've ever wanted to know about champagne, satanism, the Stonewall Uprising, chaos theory, LSD, El Nino, true crime and Rosa Parks, then look no further. Josh and Chuck have you covered.
Gregg Rosenthal and a rotating crew of elite NFL Media co-hosts, including Patrick Claybon, Colleen Wolfe, Steve Wyche, Nick Shook and Jourdan Rodrigue of The Athletic get you caught up daily on all the NFL news and analysis you need to be smarter and funnier than your friends.
Listen to 'The Bobby Bones Show' by downloading the daily full replay.
The World's Most Dangerous Morning Show, The Breakfast Club, With DJ Envy, Jess Hilarious, And Charlamagne Tha God!