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Ch 14, Special Sense

Special Senses: EAR & EYE

QuestionAnswer
ambiopia double vision caused by each eye focusing seperately: Diplopia
blepharoptosis drooping of the upper eyelid
blepharospasm twitching of the eyelid muscles
conjunctivitis inflammation of the conjunctiva of the eye: caused by viral, bacterial infection
cycloplegia paralysis of the ciliary muscle of the eye
dacryoadenitis inflammation of the lacrimal gland (tear)
dacryorrhea excessive flow of tears
diplopia double vision casued by each eye focusing seperatly
ectropion eversion (outward) of the edge of the eyelid
entropion inversion (inward) of the edge of the eyelid
episcleritis inflammation of the outermost layers of the sclera
esotropia ovvious inward turning of one eye "crosseyes"
extraocular pertaining to outside the eye
floaters one or more spots that appear to drift or float across the visual field
hemianopia loss of vision, or blindness, in one half of the visual field
keratomycosis fugal growth present on the cornea
lacrimation secretion of tears from the lacrimal glands
miotic an agent that causes the pupil of the eye to constrict
mydriasis abnormal dilatation of the pupil of the eye
mydriatic an agent that causes the pupil of the eye to dilate
nasolacrimal pertaining to the nose and lacrimal (tear) ducts
nystagmus involuntary, rhythmic jerking movements of the eye
ophthalmologist specialized in the comprehensive care of the eyes and visual system in the prevention and treatment of eye disease and injury
ophthalmology branch of medicine that specializes in the study of the diseases and disorders of the eye
exotropia obvious outward turning of one eye in relation to the other: walleye
optometrist optometrist or doctor of optometry, responsible for examination of the eye, and associated structures
photophobia abnormal sensitvity to light, especially by the eyes
presbyopia loss of accommodation for near vision; poor near-vision due to the natural aging process
retinopathy any disease of the retina
astigmatism refractive error causing light rays entering the eye to be focused irregularly on the retina due to an abnormally shaped cornea or lens
blepharitis acute or chronic inflammation of they eyelid margins stemming from seborrheic, allergic, or bacterial origin
blepharoptosis (ptosis) eyelid partially or entirely covers the eye as a result of a weakened muscle
color blindness (monochromatism) inability to sharply perceive visual colors
cataract lens in the eye becomes progressively cloudy, losing its normal transparency and thus altering the perception
chalazion cyst or nodule on the eyelid resulting from an obstruction of a meibomian gland
conjunctivitis, acute inflammation of the mucous membrane lining the eyelids and covering the front part of the eyeball
corneal abrasion disruption of the corneas surface epithelium commonly caused by an eyelash, a small foreign body, contact lense, or a scratch from a fingernail
diabetic retinopathy consequence of long-term or poorly controlled diabetes mellitus; retina experience scarring
ectropion turning out- eversion of the eyelash margins from the eyeball, leading to exposure of the eyelid and eyeball surface and lining
entropion turning in- of the eyelash margins resulting in the sensation similar to that of a foreign body in the eye (redness, tearing, burning, and itching)
exophthalmia abnormal protrusion of the eyeball, due to an expanded volume of the orbital contents
glaucoma ocular disorders identified as a group due to the increase in intraocular pressure
hemianopia loss of vision or blindness in one half of the visual field
hordeolum (stye) bacterial infection of an eyelash follicle or sebaceous gland originating with redness swelling, and mild tenderness in the margin of the eyelas
hyperopia refractive error in which the lens of the eye cannot focus on an image accurately, impaired close vision that is blurred due to the light rays "farsightedness"
keratitis corneal inflammation caused by a microorganism, trauma to the eye, a break in the sensory innervation of the cornea, a hypersensitivity reaction, or tearing defect
myopia refractive error in which the lens of the eye cannot focus on an image accurately. impaired distant vision that is blurred due to the light rays "nearsightedness"
nystagmus vertical, horizontal, rotary, or mixed rhythmic involuntary movements of the eye caused by use of alcohol or certain drugs, lesions on the brain or inner ear, congenital abnormalities, nerve injury at birth, or abnormal retinal development
presbyopia refractive error occurring after the age of 40, when the lens of the eye cannot focus on an image accurately due to its decreasing loss of elasticity
pterygium irregular growth developing as a fold in the conjunctiva, usually on the nasal side of the cornea
scleritis presence of inflammation in the white, outside covering of the eyeball (sclera)
strabismus failure of the eyes to gaze in the same direction due to weakness in the muscles controlling the position of one eye
convergent strabismus crosseye - esotropia
divergent strabismus walleye - exotropia
keratoplasty transplantation of corneal tissue from one human eye to another to improve vision in the affected eye; corneal grafting
ophthalmoscopy examination of the external and internal structures of the eye with an instrument called an ophthalmoscope
tonometry process of determining the intraocular pressure by calculating the resistance of the eyeball to an applied force causing indentation
acoustic pertaining to sound or hearing
audiogram recording of the faintest sounds an individual is able to hear
aural pertaining to the ear
labyrinthitis inflammation of the inner ear
mastoiditis inflammation of the mastoid process of the temporal bone
myringoplasty surgical repair of the eardrum with a tissue graft "tympanoplasty"
myringotomy surgical incision into the eardrum "tympanotomy"
otalgia pain in the ear; earache "otodynia"
otitis media inflammation of the middle ear
otomycosis a fungal infection of the external auditory meatus of the ear
otorrhea drainage from the ear
presbycusis loss of hearing due to the natural aging process
purulent containing pus
serous pertaining to producing serum
tinnitus ringing or tinklingnoise heard in the ears
vertigo sensation of spinning around or of having things in the room or area spinning around the person
deafness, conductive hearing loss, breakdown of the transmission of sound waves through the middle or/and external ear
deafness, sensorineural hering loss, inability of nerve stimuli to be delievered to the brain from the inner ear due to damage to the auditory nerve
labyrinthitis infection or inflammation of the labyrinth or the inner ear
mastiditis inflammation of the mastoid process "otitis media"
Meniere's disease chronic inner ear disease in which there is an overaccumulation of endolymph (fluid in the labyrinth)
otitis externa (O.E) inflammation of the outer or external ear canal "swimmers ear"
otitis media, acute (A.O.M) middle ear infection, which predominately affects infants, toddlers, and preschoolers
serous otitis media (S.O.M) collection of clear fluid in the middle ear that may follow acute otitis media or be due to an obstruction of the eustachian tube
otosclerosis condtiion in which the footplate of the stapes becomes immobile and secured to the oval window, resulting in hearing loss
audiometry process of measuring how well an individual hears various frequencies of sound waves
otoscopy use of an 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
Created by: asmaba08
 

 



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