Our eyes 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
- 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 1/4 of your total vision
- The average blink lasts 300-400 milliseconds
- The adult eye contains about 12 million light sensitive cells
Children
- Babies’ eyes do not produce any tears until they are about 6-8 weeks old
- Babies cannot blink before the age of 6 months
- Babies are born with poor colour perception
- 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
- We shed over 30 million eyelashes over our lifetime
- The lens inside the eye continues to grow throughout life
Make sure you look after this amazing organ and have regular eye tests with a qualified optician.
To request an appointment contact us.
