The Eye

cocochnl's version from 2017-10-01 17:38

Section 1

Question Answer
CorneaClear layer in front of eye - helps focus light, bends rays of light (refraction)
IrisColoured ring near the front of the eye, muscles adjust amount of light entering eye by changing the size of pupil
LensMade of clear jelly with muscles attached - muscles change thickness, adjust focusing, thick close up, thin distant
RetinaLayer of light sensative cells at the back of eye, changes light into electrical signals
Optic nerveConnected to brain, carries electrical impulses from retina to brain
Suspensory ligamentsHold lens in place

Section 2

Question Answer
PupilRegulates amount of light that enters eye, brighter light, smaller pupil
ConjunctivaThe mucous membrane that covers the front of the eye
ScleraWhite layer
FoveaBlack layer