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75 Cards in this Set
- Front
- Back
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sclera
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outer protective layer of the eye; portion seen on the anterior portion of the eyeball; white of the eye
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cornea
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transparent anterior part of the sclera, which is in front of the aqueous humor and lies over the iris
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choroid
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middle layer of the eye, which is interlaced with many blood vessels
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iris
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pigmented muscle structure that allows light to pass thru
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pupil
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opening in the center of the iris
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lens
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lies directly behind the pupil; focus and bends light
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retina
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innermost layer of the eye which contains vision receptors
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aqueous humor
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watery fluid found in the anterior cavity of the eye
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vitreous humor
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jellylike subs. found behind the lens in the posterior cavity of the eye that maintains its shape
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meibomian glands
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oil glands found in the upper and lower edges of the eyelids that help lubricate the eye
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lacrimal glands
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produce and drain tears
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optic nerve
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carries visual impulses from the retina to the brain
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conjunctiva
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mucuos mm lining the eyelids and covering the anterior portion of the sclera
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blepharitis/ conjunctivitis/dacroyocytitis/ endophthalmitis/ iritis/ keratitis/ sclerokeratitis
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inflammation of the eyelid/ conjunctiva/ tear sac (lacrimal)/ w/n the eye/ iris/ cornea/ sclera and cornea
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bleharoptosis
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drooping of the eyelid
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diplopia
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double vision
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iridoplegia/ ophthalmopelgia
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paralysis of the iris/ eye (muscle
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keratomalacia/ scleromalacia
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softening of the cornea/ sclera
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leukocoria
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condition of white pupil
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oculomycosis
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abnormal condition of the eye caused by fungus
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ophthalmalgia
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paralysis of the eye
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photophobia
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abnormal fear of sensitivity to light
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retinoblastoma
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tumor arising from a developing retinal cell
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retinopathy
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(noninflammatory) d. of the retina
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xerophthalmia
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condition of dry eye (caused by vit. A def.)
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amblyopia
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reduced vision in one eye caused by d. or misuse; brain suppresses images from the impaired eye to avoid double vision; aka lazy eye
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astigmatism
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defective curvature of the refractive surface of the eye
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cataract
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clouding of th elens
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chalazion
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obstruction of an oil gland of the eyelid
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detached retina
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separation of the retina from the choroid in the back of the eye
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emmetropia
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normal refractive condition of the eye
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glaucoma
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eye disorder chara. by optic nerve damage usu. caused by the abnormal increase of intraocular pressure;
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hyperopia
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farsightedness
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macular degeneration
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progressive deterioration of the portion of the retina- macula lutea- resulting in loss of central vision
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myopia
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nearsightedness
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nystagmus
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involuntary, jerking movements of the eye
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pinguecula
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yellowish mass on the conjunctiva that may be related to exposure to ultravoilet light, dry climates, and dust
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presbyopia
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impaired vision as a result of aging
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pterygium
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thin tissue growing into the cornea from the conjunctiva, usu. caused by sun exposure
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retinitis pigmentosa
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hereditary, progressive d. marked by night blindness w/ atrophy and retinal pigment changes
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strabismus
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abnormal condition of squint or crossed eyes caused by the visual axes not meeting at the same pt
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sty
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infection of an oil gland of the eyelid
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blepharoplasty/ keratoplasty
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surgical repair of the eyelid/ cornea
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cryoretinopexy
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surgical fixation of the retina by using extreme cold
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dacryocystorhinostomy
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creation of an artificial opening btwn the tear (lacrimal) sac and the nose (to restore drainage into the nose)
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dacryocystotomy/ iridotomy/ sclerotomy
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incision into the tear sac/ iris/ sclera
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iridectomy
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excision (of part) of the iris
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enucleation
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surgical removal of the eyeball
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LASIK
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laser procedure that reshapes the corneal tissue beneath the surface of the cornea to correct astigmatism, hyperopia, and myopia
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phacoemulsification
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method to remove cataracts in which an ultrasonic needle probe breaks up the lens, which is then aspirated
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PRK (photorefractive keratectomy)
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procedure for the tmt of nearsightedness in which an Excimer laser is used to reshape (flatten) the corneal surface by remving a protion of the conea
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retinal photocoagulation
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procedure to repair tears in the retina by use of an intense, precisely focused light beam which causes coagualtion of tissue protein
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scleral buckling
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procedure to repair a detached retina; strip of sclera is resected , or a fold is made in the sclera. An expoliant is used to hold and buckle the sclera
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trabeculectomy
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surgical creation of a drain to reduce intraocular pressure (used to treat glaucoma)
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vitrectomy
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surgical removal of all or part of the vitremous humor
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fluorescein angioscopy
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(photographic) process of recording blood vessels (of the ey w/ fluorescing dye)
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keratometer
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instrument used to measure (the curvature of) the cornea (ie. fitting of contact lens)
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ophthalmoscope
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instrument used for visual examination (the interior) of the eye
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ophthalmoscopy
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visual examination of the eye
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optometry
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measurement of vision
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pupilometer
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instrument used to measure the diameter of the pupil
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puilloscope
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instrument used for visual examination of the eye
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retinoscopy
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visual examination of the retina
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tonometer
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instrument used to measure pressure w/n the eye
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tonometry
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measurement of pressure w/n the eye
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binocular/ corneal/ intraocular/ lacrimal/ nasolacrimal/ ophthalmic/ optic/ pupillary/ retinal
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pertaining to two or both eyes/ cornea/ w/n the eye/ tears/ nose and tear ducts/ eye/ vision/ pupil/ retina
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ophthalmolgist
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physician who studies and treats d. of the eye
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ophthalmology
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study of the eye
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ophthalmopathy
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any d. of the eye
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miotic
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agent that constricts the pupil
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mydriatic
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agent that dilates the pupil
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optician
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a specialist who fills prescriptions for lenses
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optometrist
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health professional who prescribes corrective lens
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optometrist
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health professional who prescribes corrective lens
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visual acuity
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sharpness of vision for either distance or near
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