eye 0.0 / 5 ? ScienceBiologyGCSEOCR Created by: itsjannahCreated on: 14-05-15 20:41 what does the cornea do ??? refracts light and bends it as it enters the eye. 1 of 6 what does the iris do??? controls how much light enters. 2 of 6 what does the lens do ??? focouses light into retina 3 of 6 what does the optic nerve do??? they bundle sensory neurone at the back of the eye. 4 of 6 if it is 2large what happens,.... it is on the retina to much and it is short-sighted 5 of 6 what happens if it is 2 small light is on the retina to much so it is long sighted 6 of 6
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