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24 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Anatomy of the eye
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Conjunctiva,sclera,cornea,pupil,lens,retina,aqueous humor and vitreous humor
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path of light
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path of light goes through the cornea to the pupil,lens,vitreos humor and retina
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aqueous humor
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separate cornea from the pupil
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conjunctiva
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white part of the eye
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choroid cloat
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contains blood vessels, pupil, lens
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vitreous humor
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gave eye shape and support the retina
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Otitis Media
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is an infection of the middle ear. caused by infections located in the nose and throat travel through eusthachian tube middle ear cause an inflammation
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meniere's disease
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is a disorder of the inner ear that causes spontaneous episodes of vertigo.result in abnormal volume or fluid in the inner ear.
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cause of meniere's disease
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a spinning sensation,hearing loss, ringing of the ear,feeling of pressure in the ear.one ear is affect
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cause for otitis media
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fluid and pus form in the middle of the ear cause fusion.eardrum could rupture.fluid back up in the affect esr
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glaucoma
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increase pressure in the eye and lead to blindness
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open angle glaucoma(chronic disease)
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most common
slowly no early signs and symptoms both eyes |
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close angle glaucoma(acute disease)
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less common
one eye happen suddenly |
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signs and syptoms
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early stage
eye pain difficulties adjusting to darkness unable to detect color sees halos around lights late stage nausea/vomiting headache fatigue blurred vision ranibow-halos |
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cause of glaucoma
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family history
fluid buildup poor blood flow damage to optic nerve |
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treatment for glaucoma
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medication and special eye drops
survey to drain the fluid |
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what is cataracts
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clouding of the lens that eye has impair vision.buildup of protein in the lens is when it occurs
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signs and symptoms of cataracts
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early
vision becomes slightly blurred colors seem faded glare increase halos double vision can become better w/ new glasses, better light, anti-glare sunglasses, magnifying lens advance visible white,milky spot marked vision loss entire becomes cloudy |
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treatment for cataracts
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surgery to removed clouded lens with artificial lens called intraocular lens
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tympanic membrane
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end of the canal is the eardrum
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ossicles
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middle ear made up three tiny bones
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ear function to hear and balance
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three parts outer,middle,inner ear
outer ear consists of visible external structure inner ear cochlea and three semicircular canals within the cochlea are tiny dendrites to hear |
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semicircular canals
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contain liquid and nerve endings. help us keep our balance
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intracranial pressure
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the skull exert a certain amount of pressure. due to cerebrospinal fluid, nervous tissue, blood flow through cerebral vessels
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