How the eye works.
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how the eye works
The eye allows us to see, judge distances and provides one of the essential sences.
It gives us a great awareness of our environment and is
thought to be a great peice of natural engineering.
The eye consists of a few main parts, the iris, pupil, lense,vitriouse humour and retina. I will explain how each one works.
Iris: This can appear different colours on the outer eye. It expands and contracts in relation to the muscles which control the movement of the lense.
pupil: Most of the light travels into the eye through this. Its colour is black.
lense: this is one of t…
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