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31 Cards in this Set
- Front
- Back
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the process by which the vertebrate eye changes optical power to maintain a clear image (focus) on an object as its distance changes
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accommodation
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a condition characterized by an unequal size of the pupils
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anisocoria
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a whitish deposit in the shape of an arc that is sometimes seen in the cornea
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arcus senilis
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inflammation of the eyelids characterized by redness and swelling and dried crusts
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blepharitis
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In medicine a headache or is a symptom of a number of different conditions of the head. Some of the causes are benign while others are medical emergencies
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cephalgia
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An inflammation of the eye's outer membrane, which causes redness, swelling, itching and watering in one or both eyes
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conjunctivitis
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the simultaneous inward movement of both eyes toward each other, usually in an effort to maintain single binocular vision when viewing an object. This action is mediated by the medial rectus muscle, which is innervated by cranial nerve III
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convergence
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commonly known as double vision, is the simultaneous perception of two images of a single object
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diplopia
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nosebleed, bleeding from the nose
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epistaxis
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a bulging of the eye anteriorly out of the orbit
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exophthalmos
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a condition in which the tongue is patchy where surface cells break down
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geographic tongue
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a blocked gland at the edge of the eyelid that has become infected by bacteria
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hordeolum (stye)
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condition in which vision for distant objects is better than for near objects
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hyperopia
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condition in which the visual images come to a focus in front of the retina of the eye because of defects in the refractive media of the eye or because of abnormal length of the eyeball, resulting especially in defective vision of distant objects
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myopia (nearsightedness)
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rapid involuntary eye movement, usually lateral
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nystagmus
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inflammation of the ear
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otitis (media and externa)
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optic disc swelling that is caused by increased intracranial pressure. The swelling is usually bilateral but can be unilateral which is extremely rare and can occur over a period of hours to weeks
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papilledema
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a form of farsightedness in which it is difficult to focus on close objects or to read caused by loss of elasticity of the crystalline lens after age 45
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presbyopia
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small vascular growth on the surface of a mucous membrane
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polyp
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inflammation of the nasal passageways, particularly with discharge
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rhinorrhea/rhinitis
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inflammation of the sclera. Autoimmune disorders are the most common cause. Symptoms include a red or pink eye, eye pain, light sensitivity, tearing and blurred vision
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scleritis
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an area of impaired or lost vision within a field of vision otherwise in a good (or at least healthy) state
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scotoma
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ringing or buzzing in the ear not resulting from an external source (aspirin overdose?)
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tinnitus
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benign bony growth on the midline of the hard palate
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torus palatinus
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calcification of tissues within the middle ear, tympanic membrane, etc
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tympanosclerosis
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dizziness: a reeling sensation; a feeling that you are about to fall
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vertigo
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quick screening test for hearing which can detect unilateral (one-sided) conductive hearing loss and/or unilateral sensorineural hearing loss. Unilateral conductive hearing loss (the tuning fork) is best heard in the affected ear. Unilateral sensorineural hearing loss (the tuning fork) is best heard in the unaffected ear
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Weber test
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an eyelid mass that results from chronic inflammation of a meibomian gland
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chalazion
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defective vision or blindness in half of the visual field
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hemianopsia
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contraction of the pupil
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miosis
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extreme abnormal dilation of the pupil
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mydriasis
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