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Purple mod

Special Senses spelling words defs

Accommodation adjustment of the eye for various distances so that images fall on the retina of the eye
achromatopsia severe congenital deficiency in colour perception; also called complete blindness
acuity clearness or sharpness of a sensory function
adnexa tissues or structures in the body adjacent to or near a related structure
amblyopia lazy eye syndrome
ametropia an error in refraction causing poor focus
anacusis complete deafness; also called anacusia
anosmia loss of sense of smell
antiemetics treat and prevent nausea, vomiting, dizziness and vertigo by reducing the sensitivity of the inner ear to motion or inhibiting stimuli from reaching the part of the brain that triggers nausea and vomiting
antiglaucoma agents decrease aqueous humor production by constricting the pupil to open the angle between the iris and cornea
articulating being loosely joined or connected together to allow motion between the parts
astigmatism defective curvature of the cornea or lens
audiometry measurement of hearing acuity at various sound wave frequencies
audition hearing
blepharoplasty surgical repair to the eye cosmetic surgery that removes fatty tissue above and below the eyes that commonly form as a result of the aging process or excessive exposure to the sun
blepharoptosis prolapse of the eye lid
caloric stimulation test test that uses different water temperatures to assess the vestibule portion of the nerve of the inner ear to determine if nerve damage is the cause of vertigo
cataracts opacities on the lens or the capsule that encloses the lens, causing loss of vision
cerumen a waxy secretion produced by the glands of the external ear canal to prevent the entrance of tiny foreign particles
chalazion small, hard tumor developing on the eyelid, somewhat similar to a sebaceous cyst
ciliary muscles muscles which relax or contract to alter the shape of the lens, making it thicker or thinner, thus enabling the light rays to focus upon the retina
cochlea snail shaped inner ear structure
cochlea implant artificial hearing device that produces useful nearing sensations by electrically stimulating nerves inside the inner ear; also called bionic ear
conjunctivitis inflammation of the conjunctiva with vascular congestion, producing a red or pink eye; may be secondary to viral, bacterial or fungal infections or allergy
convergence medial movement of the 2 eyeballs so that they are both directed at the object being viewed
corectasis dilation of the pupil
cornea the clear, transparent portion of the sclera, anterior to the lens
cyclodialysis formation of an opening between the anterior chamber and the suprachoroidal space for the draining of aqueous humor in glaucoma
cycloplegic agents agents which paralyze ciliary muscles, causing dilation of the pupils
dacryocystography radiographic imaging procedures of the nasolacrimal (tear) glands and ducts
dacryocystorhinostomy creation of an opening into the nose for draining of tears
dacryorrhea flow of tears
diopter measurement of refractive error
ear canal slender tube lined with glands, through which sound waves travel to the middle ear
ectropion eversion or outward turning of the edge of the lower eyelid
electronystagmography method of assessing and recording eye movements by measuring the electrical activity of the extraocular muscles
emmetropia correct vision
entropion inversion or inward turning of the edge or the lower eyelid
enucleation removal of the eyeball from the orbit
epiphora abnormal overflow of tears
equilibrium a state of balance, controlled by the semicircular canals and the vestibule
esotropia inward turning of the eye
ET exotropia (turning outward of the eyes)
eustachian tube a tube which connects the nose and the throat with the cavity of the middle ear
eustachitis inflammation of the eustachian tube
evisceration removal of the contents of the eye while leaving the sclera and cornea intact
exophthalmos protusion of one or both eyeballs
exotropia outward turning of the eye
fluorescein angiography assesses blood vessels and their leakage in and beneath the retina after injection of fluorescein dye
glaucoma accumulation of aqueous humor in the eye
gustation taste
gonioscopy examination of the angle of the anterior chamber of the eye to determine ocular mobility and rotation and diagnose and manage glaucoma
hairs of Corti tiny nerve ending within the cochlea which combine with cochlear fluid to generate nerve impulses to the brain via the auditory nerve
hordeolum localized, circumscribed, inflammatory swelling of one of the several sebaceous glands of the eyelid, generally caused by a bacterial infection; also called stye
humor any fluid or semifluid of the body
hyperopia farsightedness
incus one of the 3 bones in the middle ear, shaped like an anvil
intracapsular extraction use of a cold metal probe to remove cataracts
iridectomy excision of the iris
iritis inflammation of the iris
keratocentesis surgical puncture of the cornea
labyrinth series of intricate communicating passages
labyrinthitis inflammation of the inner ear that usually results from an acute febrile process
lacrimal pertaining to a tear
malleus one of the 3 bones of the middle ear; shaped like a hammer
mastoid antrotomy surgical opening of a cavity within the mastoid process
mastoid process one of the temporal bones which encloses the sinuses
meniere disease disorder of the labyrinth that leads to progressive loss of hearing
metamorphopsia visual distortion of objects
mydriatics drugs that disrupt parasympathetic nerve supply to the eye or stimulate the sympathetic nervous system, causing the pupil to dilate
myringoplasty reconstruction of the ear drum
noise-induced hearing loss NIHL condition caused by the destruction of hair cells that organs responsible for hearing, caused by sounds that are "too long, too loud, or too close."
nyctalopia impaired vision in dim light; also called night blindness
nystagmus involuntary eye movements that appear jerky and may reduce vision or be associated with other, more serious conditions that limit vision
olfaction smell
olfactory pertaining to smell
opaque substance that does not allow the passage of light; not, transparent
ophthalmic antibiotics inhibit growth of microorganisms that infect the eye
ophthalmic decongestants constrict the small arterioles of the eye, decreasing redness and relieving conjunctival congestion
ophthalmic moisturizers sooth dry eyes due to environmental irritants and allergens
ophthalmodynamometry visual examination of the interior of the eye using a hand-held instruments called an ophthalmoscope which has various adjustable lenses for magnification and a light source to illuminate the interior of the eye
ophthalmoplegia paralysis of the eye
optometrist one who specializes in eye measurement
orthoptic training exercises intended to improve eye movements or visual tracking that uses training glasses, prism glasses or tinted or coloured lenses
ossicles three tiny articulating bones in the middle ear
otalgia ear pain
otic analgesics provide temporary relief from pain and inflammation associated with otic disorders
otitis externa infection of the external auditory canal
otitis media inflammation of the middle ear
otoplasty corrective surgery for a deformed or excessively large or small pinna
otosclerosis hardening of the spongy bone around the oval window of the ear, causing hearing loss
otoscopy visual examination of the external auditory canal and the tympanic membrane using an otoscope
papilledema edema and hyperemia or the optic disc usually associated with increased ICP, also called choked disc
perilymph fluid that very closely resembles spinal fluid but found in the cochlea
phacoemulsification method of treating cataracts by using ultrasonic waves to disintegrate a cloudy lens, which is then aspirated and removed
photophobia unusual intolerance and sensitivity to light
photopigments light-sensitive pigment in the retinal cones and rods that absorbs light and initiates the visual process; also called visual pigment
prebycusis impairment of hearing resulting from old age; also called prebyacusia
presbyopia form of farsightedness associated with aging; loss of accommodation of the crystalline lens
pressure-equalizing tubes (PE) tubes that are inserted through the tympanic membrane; commonly to treat chronic otitis media also called tympanostomy tubes or ventilation tubes
radial keratotomy incision of the cornea for treatment of nearsightedness or astigmatism
refractive ability to bend light rays as they pass from one medium to another
retinitis pigmentosa chronic progressive disease of degeneration of the retina and atrophy of the optic nerve
retinopathy any disorder of retinal blood vessels
retinoscopy evaluation of refractive errors of the eye by projecting a light into the eyes and determining the movement of reflective light rays
sclera the white of the eye, composed of tough, fibrous tissue which serves as a protective shield for the more sensitive structures underneath
sclerostomy surgical formation of an opening in the sclera
ST esotropia (inward turning of eyes)
strabismus condition in which one eye is misaligned with the other or out of synchrony
stapes one of the 3 bones of the middle ear; shaped like stirrups
stye a localized circumscribed inflammation of the sebaceous gland of the eyelid
tinnitus perception of ringing, hissing or other sounds in the ear or head when no external sound is present
tonometry evaluation of ICP by measuring the resistance of the eyeball to indentation by an applied force
trachoma chronic, contagious form of conjunctivitis common in the southwestern US that typically leads to blindness
tunic layer or cot of tissue; also called membrane layer
tuning for test method used to evaluate sound conduction using a vibrating tuning fork
tympanoplasty reconstruction of the eardrum, commonly due to perforation; also called myringoplasty
vertigo hallucination of movement or a feeling of spinning or dizziness
vestibule a chamber that joins the choclea and semicircular canals
visual acuity test (VA) part of the eye examination that determines the smallest letter that can be read on a standardized chart at a distance of 20 feet
visual field (VF) area within which objects may be seen when the eye is in a fixed position
Created by: deyoht_kwa