Last Updated: April 12, 2023
Eye Facts
- Did you know that the average blink takes 1/3 of a second?
- Seeing is so important that it takes up more than 50% of the brain’s functionality.
- Newborns don’t shed tears, though they do know how to cry.
- You blink about 15-20 times in a minute.
- The most active muscles in your body are in your eyes.
- Your eyes can get sunburned.
- Blue eyed people are more tolerant of alcohol and less tolerant of the sun
- If the human eye were a digital camera it would have 576 megapixels.
- We spend about 10% of our wake time with our eyes closed.
- An ostrich’s eye is bigger than its brain.
- Chameleons can move their eyes in two directions at once.
- A single scallop can possess over a hundred eyes
- Your eyes contain around 107 million light sensitive cells.
- Dolphins can sleep with one eye open.
- Birds, cats and dogs have three eyelids.
- Yes, you can sneeze with your eyes open and no, your eyes won’t fall out.
- Ommatophobia is the fear of eyes.
- Humans can see more shades of green than any other colour.
- The world’s most common eye colour is brown.
- Dogs cannot distinguish between red and green.
- The lifespan of the average eyelash is 5 months, the rest of your hair will last 2-4 years.
- The eye has over 2 million moving parts.
- Your eyes contain 7 million cones which help you see colour and detail and 100 million cells called rods which help you to see better in the dark.