Physics P3 The eye 0.0 / 5 ? PhysicsLight and OpticsGCSEAQA Created by: SophieBCCreated on: 13-04-16 18:49 Cornea A clear surface that allows light to pass through, but ALSO preotects the eye from dust and infection. 1 of 8 Iris The coloured part of the eye containing muscles that controls how much light enters the pupil 2 of 8 Pupil black hole in the cenre that allows light to enter the eye 3 of 8 Lens Changes shape to refact and focus light onto the retina 4 of 8 Ciliary Muscles connected to the lens to adjust its shape by pulling on it 5 of 8 Suspensory ligaments connected to the ciliary muscles to hold them in place, they stretch as the ciliary muscles move the lens 6 of 8 Retina Where images are formed.Has light sensitive cells that send electrical impulese to the brain 7 of 8 The optic nerve carries the electrical messages to the brain 8 of 8
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