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SRGT Ch14 Terminolog

Special Senses: Eye and Ear Ch14 Terminology

Eye ophthalm/o, ocul/o
Orbit each eye is encased in a protective, bony socket called an orbit
Canthi corners of the eye
Eyelids palpebro/o, blephar/o
Palpebral fissure area where upper and lower eyelids meet
Palpebration blinking/closing ones eyes
Conjunctivae (conjunctiv/o) membrane that lines eyelids and covers the surface of the eye
Meibomian sebaceous (oil-secreting glands of the skin) of the eyelashes
Lacrimal (lacrim/o) tear gland
lacrimation the process of producing tears
lacrimal glands dacryoaden/o
lacrimal sacs dacryocyst/o
extraocular muscles attach the eyeball to the orbit and move the eyes
outer layer fibrous tunic
sclera (scler/o) hard, white covering of the eye (white of the eye)
cornea (kerat/o, corne/o) transparent portion of the sclera that covers the anterior section of the eye
limbus border of the cornea, between the cornea and the sclera
middle layer vascular tunic
uvea (uve/o) Choroid, ciliary body, iris
iris (ir/o, irid/o) smooth muscle that contracts and relaxes to moderate the amount of light that enters the eye (colored part of the eye)
pupil (pupill/o, cor/o, core/o) dark area in the center of the iris
ciliary body cycl/o
lens phac/o, phak/o
aqueous and vitrous humors (vitre/o) jellylike substance
inner layer nervous tunic
retina retin/o
rods responsible for vision in dim light
cones responsible for color vision
macula lutea (macul/o) area of the retina on which the light rays focus
fovea contains only cones and provides sharpest vision
optic disk (papill/o) natural blind spot
blepharedema swelling of the eyelid
blepharitis inflammation of the eye
blepharoptosis drooping of the upper eyelid
ectropin turning outward of the eyelid
entropion turning inward of the eyelid toward the eye
chalazion hardened swelling of the meimobian gland resulting from a blockage (also known as Meibomian cyst)
hordeolum stye
dacryoadenitis inflammation of a lacrimal gland
dacryocystitis inflammation of a lacrimal sac
epiphora overflow of tears
xerophthalmia dry eye
conjunctivitis pink eye
ophthalmic neonatorum severe, purulent conjunctivitis in the newborn, usually due to gnorrheal or chlamydial infection
diplopia double vision
emmetropia normal vision
exophthalmia protrusion of the eyeball from its orbit
strabismus general term for lack of coordination between the eyes, usually due to a muscle weakness or paralysis
esotropia turning inward of one or both eyes (cross eyed)
exotropia turning outward of one or both eyes
photophobia extreme sensitivity to light
myopia nearsightedness
hyperopia farsightedness
astigmatism malcurvature of the cornea leading to blurred vision
presbyopia progressive loss of elasticity of the lens (usually accompanies aging)
corneal ulcer trauma to the outer covering of the eye resulting in an abrasion
keratitis inflammation of the cornea
aphakia condition of no lens
cataract progressive loss of transparency of the lens of the eye
glaucoma abnormal intraoccular pressure due to obstruction of the outflow of the aqueous humor
achromatopsia color blindness
ARMD/AMD Age-related macular degeneration
VA visual acuity (Snellen chart)
blepharoplasty surgical repair of the eyelids
blepharorrhaphy suture of the eyelids
dacryocystorhinostomy creation of an opening between the tear sac and the nose
enucleation of the eye removal of the entire eyeball
evisceration of the eye removal of the contents of the eyeball, leaving the outer coat (sclera) intact
exenteration of the eye removal of the entire contents of the orbit
cataract extraction removal of the lens to treat cataracts
IOLs (Intraocular lenses) implantable contact lens
Phacoemulsification and aspiration of a cataract vision correction accomplished through the destruction and removal of the contents of the capsule by breaking it into small pieces and removing them by suction
scleral buckling reattachment of the retina with a cryoprobe and the use of a silicone sponge to push the sclera in toward the retinal scar
vitrectomy (vitr/o) removal of part of all of the vitreous humor
lubricants medications that keep the eyes moist, mimicking natural tears
miotics drugs that cause the pupils to CONSTRICT
mydriatics drugs that cause the pupils to DILATE
ophthalmics drugs applied directly to the eye
topical anesthetics medications used to temporarily anesthetize the eye for the purpose of examination
ECCE extracapsular cataract extraction
ICCE intracapsular cataract extraction
IOL intraocular lens
IOP intraocular pressure
OU BOTH eyes
ear ot/o, aur/o, auricul/o
pinna/auricle flesh covered cartilage of the outer ear
cerumen (cerumin/o) ear wax
external auditory meatus meat/o
tympanic membrane (tympan/o, myring/o) eardrum
ossicles/ossicular chain (ossicul/o) -malleus -incus -stapes (staped/o)
eustachian tube (salping/o) auditory tube; connection between the ears and the throat that equalizes pressure within the middle ear
inner ear (labyrinth/o)
vestibule (vestibul/o) utricle, saccule
semicircular canals crista ampullaris
inner ear made up of... -membranous and bony labyrinth -perilymph and endolymph
cochlea (cochle/o) -organ of corti -vestibulocochlear nerve/eighth cranial nerve
otalgia/otodynia ear ache; pain in the ear
otorrhea discharge from the auditory canal
tinnitus abnormal ringing, buzzing or jingling in the ear
vertigo dizziness
impacted cerumen blockage of the external auditory canal with earwax
macrotia condition of abnormally large ears
microtia condition of abnormally small auricles (ears)
otitis externa inflammation of the outer ear and ear canal (swimmer's ear)
infectious myringitis inflammation of the eardrum due to a bacterial or viral infection
mastoiditis inflammation of the mastoid process of the temporal bone
otitis media OM -inflammation of the middle ear
labyrinthitis inflammation of the inner ear
Meniere disease chronic condition of the inner ear characterized by vertigo, hearing loss and tinnitus
ruptured tympanic membrane tear (perforation) in the eardrum due to trauma or disease
otoscopy otoscope
typanometry typanogram
UNHS universal newborn hearing screening
OAEs otoacoustic emissions
ABR auditory brainstem response
cochlear implant device that assists those with hearing loss by electrically stimulating the cochlea
mastoidectomy removal of the mastoid process
otoplasty repair and/or reconstruction of the outer ear
stapedectomy removal of the third ossicle, the stapes from the middle ear
typanoplasty surgical repair of the eardrum
typanostomy/myringostomy surgical creation of an opening through the eardrum to promote drainage and/or allow the introduction of artificial tubes to maintain the opening (also known as myringostomy)
typanotomy/myringotomy incision of the eardrum
ENT ear, nose, throat
OM ititis media
Oto otology
TM tympanic membrane (eardrum)
Created by: alyseg
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