15 Eye Opening Facts about Your Eyes

Did you know these 15 facts about your eyes?

Your eyes are one of the most complex and fascinating parts of the human body. They are made up of over two million working parts. Here are 15 fascinating facts about your eyes:

1. You spend around 10% of your day with your eyes closed blinking.

2. You blink around 12 times every minute.

3. Your eyes are the only part of the body that don’t need to warm up, they’re ready to work 24/7.

4. Your eyes can heal themselves extremely quickly! With proper care, it takes just 48 hours for the eye to repair a corneal scratch.

5. About half of your brain power is dedicated to vision.

6. Newborn babies don’t produce tears until they are about 4–13 weeks old. Until then, they cry without visible tears.

7. Across the globe there are around 39 million people who are blind and roughly 6 times that many have some form of vision impairment.

8. Doctors have not yet been able to carry out a successful eye transplant as the optic nerve connecting the eye to the brain is too complex to reconstruct.

9. Rod cells help you see in low light and detect shapes, while cone cells allow you to perceive colour.

10. Your eye is about 1 inch across and weighs about 0.25 ounce.

11. Approximately six in a thousand people are born with heterochromia, a difference in iris colouration.

12. People with blue eyes are thought to have a higher tolerance to alcohol.

13. Both your eyes have a small blind spot at the back of the retina where the optic nerve is attached. Your eyes work in tandem to cover this gap.

14. Of all the muscles in your body, the ones controlling your eyes are the most active. Eye exercises can help keep them healthy.

15. 80% of vision problems worldwide are avoidable and even curable.