Eyes.........without them it's really too difficult to lead a life without them.....Here are a few facts which you wouldn't have know about them :
- A blink of an eye lasts for about 1/10th of a second
- While it takes time for other body parts to warm up to their full potential......our eyes are always on it...
- It even can heal quickly. Eg : A corneal scratch can be healed within 48 hours with proper care
- Sight requires about half of the brain to get involved
- Tears start flowing when a newborn is 4 to 14 weeks old until then they make only crying sounds.
- Cells differ in shape. Rod-shaped cells allows us to see shapes whereas cone shaped ones allows us to experience colors
- The muscles that control our eyes are the most active ones than other muscles in the body.
- We blink about 12 times a minute.
- Our eyes are about 1 inch across & they weigh about 7.087381 grams