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Ciliary Muscle

Key Stage 4

Meaning

The ciliary muscles are muscles in the eye which can contract to squeeze the lens and relax to allow the lens to flatten.

About The Ciliary Muscle

The ciliary muscles allows the lens in the eye to change shape in order to focusses light at different distances.

References

AQA

Ciliary muscle, page 182-5, GCSE Biology; Student Book, Collins, AQA
Ciliary muscles, page 195, GCSE Biology, CGP, AQA
Ciliary muscles, page 70, GCSE Biology; The Revision Guide, CGP, AQA

Edexcel

Ciliary muscles, page 44, GCSE Biology, Pearson, Edexcel