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- The lens is made of unique clear tissue fibres which are elastic.
- In our picture the position where the fibres end has become visible
- known as a suture cataract. This has little effect on vision.
- A cataract is where the clear tissue changes the way it transmits
light, rather like the effect of heating egg-white.
- The lens is ringed by a muscle which squashes it to a rounder shape
when we focus on nearer objects.
- The lens grows through most of our life, by creating more outside
layers.
- As the lens grows it becomes less elastic - near focus gets difficult
and eventually reading spectacles will be needed.
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