Ten Fun Eye Facts

We depend on our eyes and use them every day. Nonetheless, we don’t give our eyes as much thought as we should, until our vision is affected. Without a doubt, our eyes are one of the most fascinating and complex parts of the body. Here are 10 fun facts that you may not know about eyes.

Of all the muscles in your body, your eye muscles are the most active.

The human eye can distinguish more than 10 million unique colours.

You can sneeze with your eyes open – they won’t fall out.

Your pupil can expand by 45% when you look at someone you love.

Images sent to your brain from your eye are actually back-wards and upside down.

Each of your eyelashes last about 5 months before falling out.

99% of the population will eventually need reading glasses. Just as our physical strength decreases with age, our eyes also exhibit an age-related decline in performance — particularly as we reach our 60s and beyond.

Have you ever wondered how many times you blink in a day? It has been said that we blink almost 15,000 times throughout the day when you are awake.

Eyeryone will eventually get cataracts if they live long enough. Most cataracts are related to aging. Other causes are diabetes, eye injury, radiation and surgery for other eye problems.

One in 12 men are ‘colour blind’ or more accurately colour confused. It is called being “colour blind”, although total colour blindness is very rare. Most people are able to adapt to colour vision deficiency and it’s seldom a sign of anything serious.