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20/50 vision
you see at 20 feet what most people see at 50 feet
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prispropria
lose ability of lens to move or change shape based on distance of object
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optic nerve cut
will lose vision in just one eye, where the cut is before the optic chiasm
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optic chiasm cut
Bilateral Hemianopsia; will lose vision in temporal portion of both eyes ( temporal portion is what crosses over to the other side
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cut in optic tract
- left homonymous hemianopsia: will lose portion of vision in both eyes
- R cut: lose L temporal and R nasal
- L cut: lose R temporal and L nasal
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weber test
- place tuning fork at midline of skull
- will lateralize to the bad ear, need to do rinne test to see what type of loss
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Rinne test
- place tuning fork on mastoid process
- if bone is longer than air, there can be varying degrees of nerve damage to CN 8
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Otitis Externa
- swimmers ear
- accumulation of fluid behind ear, drum will look amber, can see air bubbles
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bacterial otitis media
drum bulges, fluid behind drum, will be red, look inflamed
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sinuses
frontal, maxillary ,sphenoid, ethmoid
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acute rhinitis
pus discharge from nose, general inflammation
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allergic rhinitis
sneezing, runny eyes, clear drainage, swollen turbinates
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polyps
smooth gray growths of mucosa, can block turbinate drainage
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salivary glands
- parotid: stensons duct
- submandibular: into whartons duct
- sublingual: several openings
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Fordyce spots
- small white spots on cheeks that are ectopic sebaceous glands
- totally normal
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