cow eye dissection

Cornea

allows light to enter the eye

Essential Fat

provides protection and cushion

Extrinsic muscles

muscles used to move the eye

vitreous humor

help hold the retina in place

retina

carries the nervous impulse to the brain

optic disc

transfers signals to the optic nerve allowing us to see

choroid

provides nourishment for the eye

tapetum lucidum

increases the ability to see at night

Sclera

gives the eyeball its shape

suspensory ligaments

holds the lens in place

aqueous humor

nourishes and cushions cornea and lens

lens

Focuses light on the retina

ciliary body

contract muscles towards the lens

pupil

allows light to enter the eye

iris

controls the size of the pupil opening.

optic nerve

carries nervous signals from the retina to the brain