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25 Cards in this Set
- Front
- Back
- 3rd side (hint)
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A common cause of blindness is a loss of transparency of the lens known as a... ...the lens becomes cloudy due to changes in the structure of the proteins. Cause are UV light,certain meds. New lens can be implanted.
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Cateracts
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Cloudy.
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Most common cause of blindness in the US. Abnormally high intraocular pressure due to build up of aqueous humor w/in anterior cavity. Painless.
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Glaucoma
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2% of the popluation over 40 years old.
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Casued by either impairment of hair cells in the cochlea or damage of the cochlear branch of the vestibulocochlear (VIII) nerve. Reduces blodd supply to the ears, from repeated loud noises, or use of aspirin or streptomyocin.
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Sensorineural Deafness
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repeated loud noises.
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Cause by impairment of the external and middle ear mechanisms for transmitting sounds to the cochlea.
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Conduction Deafness
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Deposits of new bone around the oval window, injury to the ear drum, and aging are causes.
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Increased amount of endolymph that enlarges the membranous labyrinth. Flutuating hearing loss, ringing in the ear, dizziness.
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Meniere's Disease
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Roaring tinnitus (ringing) and whirling Vertigo (dizziness).
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Acute infection of the middle ear caused mainly by bacteria and associated with infections of the nose and throat. Pain, malaise, fever, reddeing and bulging of the eardrum (*can rupture if not treated).
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Otitis Media
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Children are more susceptible.
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A surgical procedure that provides a pathway for drainage of fluid from the middle ear.
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tympanotomy
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Done when otitis media occurs often.
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Loss of sense of taste.
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Ageusia
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Loss of vision in normal eye bc of muscle imbalance.
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Amblyopia
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"wandering eye" or "lazy eye"
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Total lack of smell
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Anosmia
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Damage or pain of middle ear as a result of pressure changes.
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Barotrauma
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ears pop on an airplane.
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Inflammation of the eyelid.
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Blepharitis
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Very very contagious, common in children, cause by irritants such as smoke, dust, pollutants. Bacterial infection.
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Conjunctivitis
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"pink eye"
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A scratch on the surface of the cornea.
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Corneal Abrasion
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A defective cornea is removed and a donor cornea of similar diameter is sewn in.
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Corneal transplant
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Degenerative disease of the retina casue by diabetes mellitus, blood vessels are damaged.
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Diabetic Retinopathy
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Turning outward of the eyes.
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Exotropia
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Ex= outward tropia= turning
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Constriciton of the pupil.
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Miosis
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Occurs in a car, on a boat, on a train. Increased activity of the semicircular canals.
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Motion sickenss
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Dialation of the pupils
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Mydriasis
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Rapid involuntary movement of the eyeballs, causes vertigo.
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Nystagmus
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Earache.
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Otalgia
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Abnormal visual intollerance to light.
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Photophobia
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Falling or drooping of the eyelid.
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Ptosis
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saggy lids
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A tumor arising from immature retinal cells.
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Retinoblastoma
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2% of childhood cancers
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