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PUBLIC MARKS from fotos with tag Difficult

April 2008

How do Contact Lenses Work

by 36 others

More specifically, a person will experience “perfect vision” when rays of light are capable of meeting at a point directly on the retina, which is located on the back of the eyeball. Unfortunately, only about 40% of people have eyes that successfully

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April 2007

BBC NEWS | Health | Diabetes websites too complicated

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1 (2 marks)