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terms PP

accommodation changes that occur in the ocular lens when it focuses at various distances
acoustic nerve cranial nerve that controls the senses of hearing & equilibrium
aqueous humor fluid found in the anterios cavity of eye
auditory canal 1-in segment of tube that extends from the external ear to the middle ear
auditory ossicles set of three small bony structures in the middle ear
cataract loss of transparency of the lens of the eye
central vision what is seen when you look straight ahead or read
cerumen wax-like substance secreated by motified sweat glands in the ear
cochlea portion of inner ear involved in hearing
conductive hearing loss cause by abnormalaties of the outer or middle ear that interfere with the transmission of sound
cones photoreceptors in the retina of the eye responsible for color preception
conjuctiva transparent protective mucous membrane that lines the underside of the eye lid
cornea clear part of eye located in the front of the iris
equilibrium steadiness or balance & knowing where the body is in realtion to its surroundings
eustachian tube tubular structure in the middle of the ear, equilizes pressure
glaucoma, open angle sudden increase in intraocular pressure, due to obstruction of the drainage portal
glaucoma, angle closure elevated pressure in the eye
intraocular pressure inner pressure of the eye
iris colored part of the eye
keratotomy incision of the cornea to correct myopia
labyrinth bony structure in the inner ear, three parts involved in balance
lacrimal apparatus structures that keep the surface of the eye moistened with tears
lens flexible clear covering of the retina
macula lutea yellow spot in the center of the retina
meniere's disease chronic inner ear disease from build up of fluid in the inner ear
miosis contraction of the pupil
mydriasis dilation of the pupil
ophthalmic pertaining to the eye
optic disc ocular end of the optic nerve where retina nerve fibers from the eye exit & blood vessels enter the eye
orbit eye socket
otic pertaining to the ear
otitis inflammation of the ear
otitis media infection of the middle ear
otoliths calcium carbonate crystals found in inner ear
otosclerosis hardening of the bones in the middle ear
ototoxicity damage or toxicity to the ear
peripheral vision "side vision"
presbycusis bilateral hearing loss linked to aging, accompanied by tinnitus
pupil circular opening in the iris that allows light to enter
retina innermost layer of the eye
rods photoreceptors in the retina of the eye that are responsible for night vision
saccule saclike inner ear structure that senses verical motion of the head
sclera white of the eyes
tannitus ringing of the ears, squeaking crackling whistling noise
tononmetry use of a device to measure pressure in the eye
trabecular meshwork small opening around the outer edge of iris
tympanic membrane the eardrum
utricle saclike inner ear structure for sensing forward, backward side to side motion of the head
veritgo feeling of spinning space
viterous humor gel-like substance that fills the posterior cavity of the eye
Created by: pcw