The Eye 0.0 / 5 ? PhysicsLight and OpticsGCSEAQA Created by: Ella BaileyCreated on: 27-04-14 11:36 Cornea refracts light as it enters the eye by a fixed amount 1 of 7 Iris controls how much light enters pupil 2 of 7 Pupil allows light to pass through as it enters eye 3 of 7 Lens refracts light to focus onto retina (amount adjusted by curvature/thickness) 4 of 7 Ciliary muscles adjust shape of lens 5 of 7 Suspensory ligaments slacken/stretch ciliary muscles to adjust curvature/thickness of lens 6 of 7 Retina contains light receptors that trigger electrical impulses to be sent to the brain 7 of 7
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