Chapter 17 Sense Organs: Eye & Ear Flashcards by Lori Hinkle

aque/o
water

aqueous humor-fluid produced by the ciliary body and found in the anterior chamber

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blephar/o
eyelid

blepharitis-inflammation of the eyelid

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conjunctiv/o
conjunctiva

conjunctivitis-commonly called pink eye. Conjunctivitis occurs when blood vessels dilate from allergens like pollen, bacterial infections or virus.

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cor/o
pupil

anisocoria-condition of unequal pupils (anis/o = unequal)

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corne/o
cornea

corneal abrasion-Scratch on the clear front surface of the eye

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cycl/o
ciliary body or muscle of the eye

cycloplegic-paralysis of the ciliary muscle. Conditions caused: nearsightedness, farsightedness, lazy eye, cross eye, astigmatism

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dacry/o
tears, tear duct

dacryoadenitis-inflammation of the tear ducts

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kerat/o
cornea

keratitis-inflammation of the cornea

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lacrim/o
tears

lacrimal-pertaining to tears

lacrimation-flow of tears

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ocul/o
eye

intraocular-pertaining to a lens implanted in the eye as part of a treatment for cataracts or myopia

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ophthalm/o
eye

ophthalmologist-MD who specializes in treating disorders of the eye

ophthalmic-pertaining to the eye

ophthalmoplegia-weakness or paralysis of one or more extraocular muscles which are responsible for eye movement

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opt/o, optic/o
eye, vision

Optic- vision

optometrist-non medical professional who grinds lenses and fits glasses but can’t prescribe lenses

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palpebr/o
eyelid

palpebral-pertaining to the eyelid

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papill/o
optic disc

papilledema-increased intracranial pressure and hyperemia (increased blood flow) in the region of the optic disc

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Phac/o, phak/o
lens of the eye

phacoemulsification-technique of cataract extraction using ultrasonic vibrations to fragment (emulsify) the lens and aspirate the pieces from the eye

aphakia-condition may be congenital but most often it is the result of extraction of a cataract (clouded lens) w/out placement of an artificial lens.

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pupill/o
pupil

pupillary-a physiological response that varies the size of the pupil, optic nerve

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retin/o
retina

retinitis- inflammation of; retinitis pigmentosa is a genetic disorder (pigmented scar forms in the retina) that destroys retinal rods. Decreased vision, night blindness

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scler/o
sclera (white of the eyes) hard

corneoscleral- pertaining to the cornea and the sclera at the corneosclera junction

scleritis-inflammation of the sclera

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uve/o
uvea; Vascular layer of the eye
iris, ciliary body, and choroid

uveitis- inflammation of the middle layer of the eye (uvea) causes redness, pain and blurred vision

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vitre/o
glassy

vitreous humor- transparent jellylike tissue filling the eyeball behind the lens

ambly/o
dull, dim

amblyopia-condition of a lazy eye.
The suffix -opia = vision. Amblyopia is unilateral or bilateral reduction of visual acuity. Early in life (7-10yrs old) ocular misalignment, such as with strabismus, I corrected errors of refraction, or other eye disorders, can lead to amblyopia

dipl/o
double

diplopia-condition of double vision

glauc/o
gray

glaucoma- -oma = mass or collection of fluid (aqueous humor)the term comes from dull gray-green color of the affected eye in advanced cases.

mi/o
smaller, less

miosis- condition of contraction of the pupil.

CF mydr/o widen, enlarge

mydriasis- condition of enlargement of pupils

CF nyct/o widen, enlarge

nyctalopia- -opia=vision; -al=blindness. Night blindness is poor vision but good vision during the day. Deficiency of Vit A leads to nyctalopia

CF phot/o light

photophobia-sensitivity to light

CF Presby/o old age

presbyopia-condition of impairment of vision as a result of old age.

CF Scot/o darkness

scotoma-area of decreased vision surrounded by an area of normal vision; a blind spot. This can result from damage to the retina or the optic nerve.

CF xer/o dry

xerophthalmia- condition of dry eyes

Suffix -opia vision

hyperopia-condition of farsightedness

Suffix -opsia vision

hemianopsia-condition of absence of vision in half of the visual field (space of vision of each eye)

Suffix -tropia to turn

esotropia-inward (eso-) turning of an eye. Extropia is an outward turning of an eye. Conditions are ex: of strabismus (defect in eye muscles so that both eyes cannot be focused on the same point.

CF acous/o hearing

acoustic-pertaining to hearing

CF audi/o hearing; the sense of hearing

audiogram-record produced when hearing is being tested audiologist-health Care professional who specializes in the evaluation and rehab of people with hearing loss

CF audit/o hearing

auditory-relating to the sense of hearing (auditory nerves)

CF aur/o, auricul/o ear

aural-pertaining to the ear postauricular-pertaining to posterior or behind the oracle of the ear

CF cochle/o cochlea

cochlear-pertaining to the snail-shell shaped auditory area of the inner ear that contains sensitive receptor cells

CF mastoid/o mastoid process

mastoiditis-inflammation caused by bacterial infection, spreads from the middle ear, the mastoid process is the posterior portion of the temporal bone extending downward behind the external auditory meatus.

CF myring/o eardrum, tympanic membrane

myringotomy-surgical incision into the eardrum to relieve pressure or to drain fluid by, not to remove tissue myringitis-inflammation of the eardrum

CF ossicul/o ossicle

ossiculoplasty-surgical reconstruction of the ossicular chain...ossicle is a very small bone in the middle ear otic- pertaining to the ear otomycosis-abnormal condition of a fungal ear infection, a superficial mycotic infection of the outer ear canal otopyorrhea-purulent discharge from a perforation of an eardrum otolaryngologist-ENT

CF salping/o eustachian tube, auditory tube

salpingopharyngeal-pertaining to the eustachian tube and pharynx

CF staped/o stapes (third bone of the middle ear)

stapedectomy-surgical removal of the stapes in order to improve hearing

CF tympan/o eardrum, tympanic membrane

temoanoplasty-surgical reconstruction of the bones of the middle ear with reconnection of the eardrum to the oval window

CF vestibul/o vestibule

vestibulaocochlear-(8th cranial nerve) transmits sound & balance from the inner ear to the brain

Suffix -acusis or -cusis hearing

hyperacusis-abnormally acute sensitivity to sounds presbycusis-condition of deafness that occurs with aging

Suffix -meter instrument to measure

audiometer-instrument to measure hearing acuity

Suffix -otia ear condition

marcrotia- abnormally large ears; congenital anomaly