Anatomy of the Eye

The opening through which light rays enter the eye

• Cornea

• Lens

• Pupil

• Iris

Vestibulocochlear nerve

• Cranial nerve comprising the cochlear nerve and the vestibular nerve

• Nerve responsible for facial sensation

• Nerve that controls eye movement

• Nerve associated with taste sensation

The tough, fibrous outer layer of the eye

• Cornea

• Iris

• Sclera

• Retina

Perilymph

• Clear fluid that fills the bony labyrinth

• Thick fluid found in the cochlea

• Fluid that surrounds the inner ear

• Viscous substance in the middle ear

Cochlear duct

• Inside the cochlea

• In the outer ear

• In the middle ear

• In the auditory nerve

Modified sweat glands located between the eyelashes

• Ciliary glands

• Sebaceous glands

• Apocrine glands

• Merocrine glands

Sensory cells in the retina that are activated in dim light

• Cones

• Bipolar cells

• Rods

• Ganglion cells

A delicate external membrane that covers the exposed eyeball and lines the eyelid

• Cornea

• Sclera

• Conjunctiva

• Iris

A transparent, flexible structure that is curved outward on both sides

• Cornea

• Lens

• Retina

• Pupil

Semicircular canals

• Plays an important role in balance

• Responsible for hearing

• Regulates blood pressure

• Controls eye movement