Opthalmology Flashcards
ambylopia
vision impairment resulting from interference with processing of images during first 6-7 years of life
tx. of strabismus in a young infant
must be surgically corrected when diagnosed
you notice a white pupil on a baby - what should you consider?
white pupil (leukocoria) = retinoblastoma - urgent/emergency opthalmologist consult
woman complains of frontal headache and nausea; she sees halos around lights in the parking lot, pupils are mid-dilated, do not react to light, corneas are cloudy and eyes feel hard - dx?
acute glaucoma
tx. of acute glaucoma
drill hole in iris with laser beam to provide drainage route for fluid that is trapped behind anterior chamber
medical tx. of acute glaucoma
systemic carbonic anhydrase inhibitors
topical beta blockers
alpha-2 selective adrenergic agonists
mannitol and pilocarpine may also be used
pt presents with swollen, red, hot, tender eyelid on left eye with fever and leukocytosis; pupil is dilated and fixed and there is very limited motion of the left eye
orbital cellulitis
management of orbital cellulitis
opthalmologic emergency
- CT scan - to assess extent of infection
- surgical drainage
tx. of chemical burns of the eye (ex. draino, bleach)
copious irrigation with cold water for atleast 30 minutes before patient comes to ER
pt. reports seeing flashes of light at night when his eyes are closed as well as “floaters” during the day and a cloud at the top of his visual field
retinal detachment
tx. of retinal detachment
opthalmologic emergency
- laser tx. to spot weld the retina and prevent further detachment
an older patient calls you because he suddenly lost vision in his right eye - dx?
embolic occlusion of retinal aa
management of embolic occlusion of retinal aa
opthalmologic ER
- tell patient to take aspirin, breathe into paper bag and someone press hard on eye and release it and hurry up to ER
a diabetic patient complains to you about blurry vision that he usually gets after eating a big dinner and watching tv…
the lens swells and shrinks in response to fluctuations in blood sugar
eye care recommendation for diabetics
regular opthalmologic follow-up for retinal complications