HEENT 1 Flashcards
hyperopia
farsightedness
myopia
nearsightedness
amblyopia
lazy eye; usually starts in infancy, refer to opthalmologist
miosis
excessive constriction of the pupil of the eye
what are the initial detectable signs of diabetic retinopathy
micro aneurysms and hard exudates (leakage of lipid and protein material)
diabetic retinopathy - neovascularization (development of new blood vessels) results in small what
flame shaped and blot hemorrhages and intraretinal infarcts (cotton wool or soft exudates)
ectropion
eyelid is turned outward or sags away from the eye
entropion
eyelid is turned inward
papilledema
optic disc swollen with blurred edges due to increase ICP secondary to bleeding, brain tumor, abscess, and pseudotumor cerebri
painless bony protuberance on the hard palate; skin should be normal
torus palatinus
lesions are corrugated painless plaques on the lateral aspects of the tongue that cannot be scraped off; often seen in immunocompromised patients (HIV infections); associated with EBV infection
oral hairy leukoplakia
bright white to light gray plaques on the tongue, floor or mouth, or inner cheeks caused by chronic irritation, such as from smoking or alcohol
oral leukoplakia - refer to oral surgeon for biopsy
definition of legal blindness
20/200
when is vision normal in children
age 6, 20/20
objective measure to test for presence of fluid inside middle ear
tympanogram