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Flashcards in vocabulary-sensory Deck (89):
1

conjunctiva

delicate membrane lining the undersurface of the eyelid and covering the anterior eyeball

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conjunctiva

delicate membrane lining the undersurface of the eyelid and covering the anterior eyeball

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iris

pigmented (colored) layer that opens and closes to allow more or less light to enter the eye

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iris

pigmented (colored) layer that opens and closes to allow more or less light to enter the eye

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lens

transparent, biconvex body behind the pupil of the eye. it bends (refracts) light ray to bring them into focus on the retina

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lens

transparent, biconvex body behind the pupil of the eye. it bends (refracts) light ray to bring them into focus on the retina

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pupil

central opening of the eye, surrounded by the iris, through which light rays pass. it appears dark

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pupil

central opening of the eye, surrounded by the iris, through which light rays pass. it appears dark

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sclera

tough, white outer coat of the eyeball

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sclera

tough, white outer coat of the eyeball

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astigmatism

defective curvature of the cornea or lens of the eye

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astigmatism

defective curvature of the cornea or lens of the eye

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hyperopia (hypermetropia)

farsightedness

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hyperopia (hypermetropia)

farsightedness

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myopia

nearsightedness

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myopia

nearsightedness

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presbyopia

impairment of vision as a result of old age

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presbyopia

impairment of vision as a result of old age

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cataract

clouding of the lens, causing decreased vision

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cataract

clouding of the lens, causing decreased vision

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chalazion

small, hard, cystic mass (granuloma) on the eyelid. NOT A STYE

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chalazion

small, hard, cystic mass (granuloma) on the eyelid. NOT A STYE

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diabetic retinopathy

retinal effects of diabetes mellitus include microaneurisms, hemorrhages, dilation of retinal veins, and neovascularization (new blood vessels form in the retina)

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diabetic retinopathy

retinal effects of diabetes mellitus include microaneurisms, hemorrhages, dilation of retinal veins, and neovascularization (new blood vessels form in the retina)

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glaucoma

increased intraocular pressure results in damage to the retina and optic nervewith loss of vision

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glaucoma

increased intraocular pressure results in damage to the retina and optic nervewith loss of vision

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hordeolum (sty or stye)

localized, purulent, inflammatory staphylococcal infection of the sebaceaous gland in the eyelid

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hordeolum (sty or stye)

localized, purulent, inflammatory staphylococcal infection of the sebaceaous gland in the eyelid

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macular degeneration

progressive damage to the macula of the retina

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macular degeneration

progressive damage to the macula of the retina

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drusen

deposits of clumps of extracellular debris

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drusen

deposits of clumps of extracellular debris

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retinal detachment

two layers of the retina separate from each other

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retinal detachment

two layers of the retina separate from each other

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strabismus

abnormal deviation of the eye

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strabismus

abnormal deviation of the eye

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estropia

one eye turns inward; cross-eyed

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estropia

one eye turns inward; cross-eyed

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exotropia

one eye turns outward; wall-eyed

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exotropia

one eye turns outward; wall-eyed

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hypertropia

upward deviation of the eye

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hypertropia

upward deviation of the eye

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hypotropia

downward deviation of one eye

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hypotropia

downward deviation of one eye

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amblyopia

partial loss of vision or lazy eye

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amblyopia

partial loss of vision or lazy eye

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diplopia

double vision

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diplopia

double vision

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ophthalmoscopy

visual examination of the interior of the eye

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ophthalmoscopy

visual examination of the interior of the eye

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visual acuity test

clarity of vision assessed (snellen chart)

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visual acuity test

clarity of vision assessed (snellen chart)

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visual field test

measurement of the area within which objects are seen when the eyes are fixed, looking straight ahead without movement of the head

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visual field test

measurement of the area within which objects are seen when the eyes are fixed, looking straight ahead without movement of the head

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enucleation

removal of the entire eyeball

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enucleation

removal of the entire eyeball

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keratoplasty

surgical repair of the cornea

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keratoplasty

surgical repair of the cornea

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laser photocoagulation

intense, precisely focused light beam (argon laser) creates an inflammatory reaction that seals retinal tears and leaky retinal blood vessels

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laser photocoagulation

intense, precisely focused light beam (argon laser) creates an inflammatory reaction that seals retinal tears and leaky retinal blood vessels

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LASIK

use of an excimer laser to correct errors of refraction (myopia, hyperopia, and astigmatism)

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LASIK

use of an excimer laser to correct errors of refraction (myopia, hyperopia, and astigmatism)

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virectomy

removal of the vitreous humor

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virectomy

removal of the vitreous humor

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auditory canal

channel that leads from the pinna to the eardrum

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auditory meatus

auditory canal

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auditory tube

channel between the middle ear and the nasopharynx

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auricle

flap of the ear; the protruding part of the external ear, or pinna

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cerumen

waxy substance secreted by the external ear; aka earwax

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eustachian tube

auditory tube

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incus

second ossicle of the middle ear. aka anvil

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labyrinth

maze-like series of canals of the inner ear. this includes the cochlea, vestuble, and semicircular canals

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malleus

first ossicle of the middle ear. aka hammer

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ossicle

small bone of the ear; malleus, incus, and stapes

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pinna

auricle; flap of the ear

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semicircular canals

passages in the inner ear associated with maintaining equilibrium

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stapes

third ossicle of the middle ear. aka stirrup

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tympanic membrane

membrane between the outer and the middle ear; eardrum

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acoustic neuroma

benign tumor arising from the acoustic vestibulocochlear nerve in the brain

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cholesteatoma

collection of skin cells and cholesterol in a sac within the middle ear

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deafness

loss of the ability to hear

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Meniere disease

disorder of the labyrinth of the inner ear; elevated endolymph pressure within the cochlea and semicircular canals

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otitis media

inflammation of the inner ear

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suppurative otitis media

pus formation caused by bacteria in the middle ear

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serous otitis media

a noninfectous inflammation with accumulation of serous fluid

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otosclerosis

hardening of the bony tissue of the middle ear

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tinnitus

sensation of noises in the ear

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vertigo

sensation of irregular or whirling motion either of oneself or of external objects

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otoscopy

visual examination of the ear canal with an otoscope