Amazing Eye Facts
Our Eye in Facts and Figures
> The human eye can distinguish between 500 shades of grey
> The human eye can detect 10 million different colours
> The clear cornea at the front of the eye is the only living tissue
in the human body that does not contain any blood vessels
> The eye is the only part of the human body that can function at
100% ability at any moment without rest
> Eyes are composed of more than 2 million working parts
> Under the right conditions the eye can discern candle light at a distance
of 14 miles
> Men can read smaller print than women (women can hear better!)
> Eyes are the most complex organ apart from your brain
> It is impossible to sneeze with your eyes open
> Smoking reduces your night vision
>Your visual field increases by 10% in the dark because your pupils are
larger
> If you go blind in one eye you only loose around 1/5 of your total vision
> The average blink lasts 300-400 milliseconds
> The aduly eye contains about 12 million light sensitive cells
Children
> Babies’ eyes don’t produce any tears until they are about
6-8 weeks old
> Babies can’t blink before the age of 6 months
> All babies are born colour blind
> It takes some children up to 3 years to attain their final eye colour
Lifetime
> Your eyes blink over 10 million times a year
> Eyes contribute 85% towards your total knowledge
> 80% of our memories are made up of visual images
> In a normal life span your eyes will see almost 24 million images of
the world around you
> Your eyelashes have an average life span of 5 months
> Your eyes will never wear out
> We shed over 30 million eyelashes over our lifetime
> The lens inside the eye continues to grow throughout life
