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AR Chap14

Special Senses

ambiopia double vision; also known as diplopia
blepharochalasis droop over the edge of the eyelid
blepharoptosis drooping of the upper eyelid
blepharospasm twitching of the eyelid muscle
conjunctivitis inflammation of the conjunctiva; caused by a bacterial infection, viral infection, allergy, or a response to the environment. also known as pink eye
cycloplegia paralysis of the ciliary muscle of the eye
dacryoadenitis inflammation of the lacrimal (tear) gland
dacryorrhea excessive flow of tears
diplopia double vision; also known as ambiopia
ectropion edge of eyelid turning outward
entropion edge of eylid turning inward
episcleritis inflammation of the sclera
esotropia inward turning of one eye; crosseyes
esotropia inward turning of one eye; called crosseyes
extraocular outside the eye
floaters spots that appear to drift, or "float" across the visual field
hemianopia blindness, in one-half of the visual field
keratomycosis fungal growth present on the conrnea
lacrimation secretion of tears
miotic causes the pupil of the eye to constrict
mydriais abnormal dilatation of the pupil
nasolacrimal pertaining to the nose and the lacrimal (tear) ducts
nystagmus involuntary, rhythmic jerking momements of the eye
ophthalmologist (MD)who specializes in the comprehensive care of the eyes and visual system
opthalmology branch of medicine that specializes in the study of the diseases and disorders of the eye
optometrist responsible for examination of the eye, and associated structures
photophobia abnormal sensitivity to light
presbyopia loss of accommodation for near vision; poor near-vision due to the natural aging process due to its decreaseing loss of elasticity.
retinopathy any disease of the retina
astigmatism a refractive error causing light rays entering the eye to be focused irregularly on the retina due to an abnormally shaped cornea or lens
blepharitis inflammation of the eyelid stemming from seborrheic, allergic, or bacterial origin
blepharoptosis (ptosis) occurs when the eyelid partially or entirely covers the eye as a result of a weakened muscle (drooping)
color blindness (monochromatism) an inability to sharply perceive visual colors
two types of monochromatism (color blindness) daltonism - unable to distinguish greens from reds & achromatic vision - person cannot distinguish any color
cataract lens in the eye becomes progressively cloudy, losing its normal transparency and thus altering the percepiton of images due to the interference of light transmission to the retina
chalazion cyst or nodule on the eyelid resulting from and obstruction of a meibomian gland
conjunctivitis, acute inflammation of the mucous membrane lining the eyelids
corneal abrasion disruption of the cornea's surface epithelium commonly caused by an eyelash, a small foreign body, contact lenses, or a scratch from a fingernail
diabetic retinopathy consequence of long-term or poorly controlled diabetes mellitus in which the tissues of the retina experience scarring due to: abnormal dilation and constriction of the vessels, hemorrhages, microaneurysm, abnormal formation on new vessels
ectropion "turning out" or eversion of the eyelash margins
entropion "turning in" of the eyelash margins
exophthalmia abnormal protrusion of the eyeballs
glaucoma ocular disorders identified as a group due to the increase in intraocular pressure
hemianopia blindness in one-half of the visual field
hordeolum (stye) bacterial infection of an eyelash follicle or sebaceous gland
hyperopia a refractive error in which the lens of the eye cannot focus on an image accurately, resulting in impaired close vision. called farsightedness
keratitis corneal inflammation caused by a microorganism, trauma to the eye, a break in the sensory innervation of the cornea
myopia refractive error in which the lens of the eye cannot focus on an image accurately, resulting in impaired distant vision. also called nearsightedness
nystagmus rythmic involuntary movements of the eye
pterygium irregular growth developing as a fold in the conjunctiva, usually on the nasal side of the cornea
scleritis inflammation in the white, outside covering of the eyeball (the sclera)
convergent strabismus crosseye, also known as esotropia
divergent strabismus walleye, also known as exotropia
keratoplasty transplantation of corneal tissue from one human eye to another; also called corneal grafting
ophthalmoscopy (process) examination of the external and internal structures of the eye with an instrument called an ophthalmoscope (instrument used)
tonometry determining the intraocular pressure; air-puff tonometer
audiologist health professional who specializes in the study of hearing, detects and diagnoses hearing loss, and works to rehabilitate individuals with hearing loss
audiology field of research devoted to the study of hearing and impaired hearing
acoustic pertaining to sound or hearing
audiogram recording of the faintest sounds an individual is able to hear
aural pertaining to the ear
cochlear snail-shaped structure within the middle ear
labyrinthitis inflammation of the inner ear; primary symptom is vertigo
mastoiditis inflammation of the mastoid process; may occur and is sometimes associated with cholesteatoma
myringoplasty surgical repair of the eardrum; also called a tympanoplsty
myringotomy surgical incision into the eardrum; also called a tympanotomy. usually accompanied by the insertion of a pressure-equalizing tube
otalgia pain in the ear; also called otodynia
otitis media, acute (AOM) inflammation or infection of the middle ear
otomycosis fungal infection of the external auditory meatus of the ear
otorrhea drainage from the ear
presbycusis loss of hearing due to old age
purulent containing to pus
serous pertaining to producing serum
tinnitus rining or tinkling noise heard in the ears; sign of injury to the ear, disease, or tox levelss of some medications
vertigo sensation of spinning around or of having things in the room or area spinning around the person; disturbance of the equilibrium
deafness, conductive hearing loss caused by the breakdown of the transmission of sound waves through the middle and/or external ear
deafness, sensorineural hearing loss caused by the inability of nerve stimuli to be delivered to the brain, can occur because of the aging process or damaged hair cells of the organ of Corti
Meniere's disease chronic inner ear disease in which there is an overaccumulation of endolymph (fluid in the labyrinth) characterized by recurring episodes of vertigo (dizziness), hearing loss, feeling of pressure or fullness in the affected ear, and tnnitus
otis externa (OE) inflammation of the outer or external ear canal; also called "swimmers ear"
serous otitis media (SOM) collection of clear fluid in the middle ear that may follow acute otitis media, due to an obstruction of the eustachian tube
otosclerosis condition in which the footplate of the stpes becomes immobile and secured to the oval window
audiometry process of measuring, individual hears various fequencies of sound waves
otoscopy use of the otoscope to view and examine the tympanic membrane and various parts of the outer ear
otoplasty removal of a portion of ear cartilage to bring the pinna and auricle nearer the head. usually done for cosmetic purposes through reconstructive plastic surgery
Created by: maxphia32



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