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ch 14 med term

ambiopia double vision caused by each eye focusing separately;also known as diplopia
amblyopia reduced vision that is not correctable;e with lenses and with no obvious pathological or structural cause
anisocoria inequality in the diameter or the pupils of the eyes
aphakia absence of the lens of the eye
aqueous watery
argyll-robertson pupil a pupil that constricts upon accommodation but not in response to light.this can be due to miosis or advanced neurosphills
biomicroscopy opthalmic examination of the eye by use of a slit lamp and a magnifying lens,also known as slit-lamp exam
blepharochalsis relaxation of the skin of the eyelid-usually upper eyelid-.the skin may droop over the edge of the eyelid when the eyes are open
blepharoptosis drooping of the upper eyelid
blepharospasm a twitching of the eyelid muscles;may due to eyestrain or nervous irritability
keratoconus a cone shaped protrusion of the center of the cornea,not accompanied by inflammation
keratoconjunctivitis inflammation of the cornea and the conjunctiva of the eye
iritis inflammation of the iris
iridocyclitis inflammation of the iris and ciliary body of the eye
hemianopsia loss of vision,or blindness, in one half of the visual field
hemianopia loss of vision,or blindness, in one half of the visual field
floaters one or more spots that appear to drift or "float" across the visual field
extrocular pertaining to outside the eye
exotropia an obvious outward turning of one eye in relation to the other eye,also called walleye
esotropia an obvious inward turning of one eye in relation to the other eye;also called crosseye
episcleritis inflammation of the outermost layers of the sclera
entropion inversion -turning inward-of the edge of the eyelid
emmetropia a state of normal.the eye is at rest and the image is focused directly on the retina
ectropin eversion-turning outward-of the edge of the eyelid
diplopia double vision caused by each eye focusing separately
dacryorrhea excessive flow of tears
dacryoadenitis inflammation of the lacrimal -tear-gland
cycloplegia paralysis of the ciliary muscle of the eye
corneal pertaining to the cornea
conjunctivitis inflammation of the conjunctiva of the eyes;may be caused by a bacterial infection,a viral infection,allergy,or a response to the environment
keratomycosis a fungal growth present on the cornea
lacrimal pertaining to tears
lacrimation the secretion of tears from the lacrimal glands
miosis abnormal constriction of the pupil of the eye
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
nasoclarcrimal pertaining to the nose and the lacrimal ducts
nystagmus involuntary,rhythmic jerking movements of the eye.these "quivering" movements may be from side to side,up and down or a combination of both
ophthalmologist a medical doctor who specializes in the comprehensive care of the eyes and visual system in the prevention and treatment of eye disease and injury
opthtalmologist is the medically trained specialist who can deliver total eye care and diagnose general disease of the body affecting the eye
retinopathy any disease of the retina
pupillary pertaining to the pupil of the eye
presbyopia loss of accommodation for near vision;poor near-vision due to the natural aging process
photophobia abnormal sensitivity to light,especially by the eyes
phacomalcia softening of the lens of the eye
papilledema swelling of the optic disc,visible upon opthalmoscopic examantion of the interior of the eye
palpebral pertaining to the eyelid
opthometrist the optometrist or doctor of optometry is responsible for examination of the eye and associated structures-to determine vision problems.he or she can also prescribe lenses or optical aids
opyican a health professional who specializes in filing prescriptions for corrective lenses for glasses or for contact lenses
optic pertaining of the eyes or to sight
ophthalmopathy any disease of the eye
ophthalmology the branch of medicine that specializes in the study of the diseases and disorders of the eye
vitreous pertaining to the vitrous body of the eye
uveitis inflammation of the uveal tract of the eye,which includes the iris,ciliary body and choroid
scotoma an area of depressed vision within the usual visual filed,surrounded by an area of normal vision
sclerectomy excision or removal of a protein of the sclera of the eye
color blindness (monochromatism) an inability to sharply perceive visual colors
catract the lens in the eye becomes progressively cloudy,losing its normal transparency and thus altering the perception of images due to the interference of light transmission to the retina
chalazion a cyst or nodule on the eyelid resulting from an obstruction of a meilbomian gland,which is responsible for lubricating the margin of the eyelid
conjunctivitis, acute inflammation of the mucous membrane lining the eyelids and covering the front part of the eyeball
corneal abasion a disruption of the cornea's surface epithelium commonly caused by an eyelash,a small foreign body,contract lenses, or a scratch from a fingernail
glucoma ocular disorders identified as a group due to the increase in intraocular pressure
exophthalmia an abnormal protrusion of the eyeball,usually with the sclera noticeable over the iris-typically due to an expanded volume of the orbital contents
entropion "turning in" of the eyelash margins,resulting in the sensation similar to that of a foreign body in the eye
diabetic retinopathy occurs as a consequence of long term or poorly controlled diabetes mellitus in which the tissues of the retina experience scarring due to the following-microaneursym,hemorrhages,abnormal dilation and constriction of vessels
ectropion "turning out" or eversion of the eyelash margins from the eyeball,leading to exposure of the eyelid and eyeball surface and lining
heminanopia 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 eyelash
hperopia a refractive error in which the lens of the eye cannot focus on an image accurately,resulting in impaired close vision that is blurred due to the light rays being focused behind the retina because the eyeball is shorter than normal
hyphema (hyphemia) a bleed into the anterior chamber of the eye resulting from a postoperative complication of from a blunt eye injury
keraitis corneal inflammation caused by a microorganism,trauma to the eye, a break in the sensory innervation of the cornea, a hypersensitivity reaction,or a tearing defect
Created by: Courtne