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Ch 14, Special Sense
Special Senses: EAR & EYE
Question | Answer |
---|---|
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 |