A mixture of facts and fun - how much do you know about your eyes? 10 Questions.
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Near-sightedness is also known as â€¦
The coloured part of the eye is called the â€¦
Which animal's cornea has been used in eye surgery, since its cornea is similar to a human cornea?
How much does the average human eye weigh?
Which creature has the largest eye?
great white shark
Research has indicated that what can increase the risk of glaucoma in men?
reading too many books
a tie that is on too tight
standing on his head
The retina contains 'rods' for night vision, and 'cones' that work best in daylight: how many of each?
8 million rods & 120 million cones
60 million rods & 60 million cones
120 million rods & 8 million cones
Under the right conditions, the human eye can discern the light of a candle at a distance of:
The muscles that move the eyes are many times more powerful than they need to be: how many?
Which sport causes the most eye injuries?
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