The eye 1.0 / 5 based on 1 rating ? BiologyThe EyeIGCSEEdexcel Created by: francescakgCreated on: 20-04-17 18:39 CONJUNCTIVA Protects the surface of the eye 1 of 8 CORENA Refracts light into the eye. It is transparent & no blood vessels so oxygen can diffuse in from the outer surface 2 of 8 IRIS Controls the diameter of the PUPIL, (how much light enters the eye) 3 of 8 LENS Focuses light onto the RETINA 4 of 8 RETINA Light sensitive part (covered in light receptors: RODS & CONES) 5 of 8 OPTIC NERVE Carries impulses from the receptors to the brain 6 of 8 RODS & CONES RODS: sensitive in dim light - can not sense colour. CONES: sensitive to colour but do not operate in dim light 7 of 8 FOVEA Where RODS & CONES are found 8 of 8
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