Iris - Control size of pupil, Pupil - Controls the amount of light entering, Lens - Focusses the image onto retina, Retina - Contains rod and cone cells, Optic Nerve - Links signals to the brain, Conjunctiva - Protects the eye, Cornea - Focusses light towards lens, Suspensory ligaments - Hold eye lens in position, Aqueous humour - Maintain shape of eyeball and focus light into the eye, Vitreous humour - Maintain shape of eyeball and focus light onto retina, Blind spot - Not sensitive to light, Yellow spot - Most sensitive to light, many photoreceptors, Choroid - Prevent reflection, supply oxygen and nutrients, Sclera - Maintain and protect shape of eye, Ciliary muscle - Controls thickness of eye lens,

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