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Eye Am Confused

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the difference between strabismus, amblyopia, exotropia/phoria and esotropia/phoria. all on slide #3.

the difference between strabismus, amblyopia, exotropia/phoria and esotropia/phoria. all on slide #3.

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Transcript

  • 1. Eye am so confused…
    Definitions of commonly confused ophthalmology terms
    Plus a bonus Venn diagram!
    By Clinton Pong, MS 4
  • 2. Define the following:
    Strabismus vsPseudostrabismus
    Amblyopia
    ExotropiavsExophoria
    EsotropiavsEsophoria
    HypertropiavsHypotropia
  • 3. Strabismus
    You
    Amblyopia
    them
    Exotropia
    Esotropia
    Hypertropia
    Hypotropia
  • 4. Strabismus
    Eyes do not line up
    aka “crossed eyes“
    Pseudostrabismus
    Mistaken misalignment
    More common in Asian infants because of epicanthal folds
  • 5. Amblyopia(subtype of strabismus)
    Loss of one eye's ability to see details
    May lead to blindness!
    aka "lazy eye“
    Really, it is “lazy brain”
    Most common cause of vision problems in children
    VERY important to treat early and aggressively!
  • 6. Strabismus vsAmblyopia
    Strabismus
    What YOU see on them:
    Crooked eyes
    Amblyopia
    What THEY see:
    Initially double vision (diplopia) usually compensating for a focusing problem
    Eventually brain compensates by causing blindness in one eye
    Make a referral!!!!
  • 7. Amblyopia: types
    Exotropia
    OUTward deviation of eyes
    Commonly 2-4 years old
    Esotropia
    Inward deviation of eyes
    Infancy onward
    http://www.pedseye.com/
  • 8. Amblyopia: -tropiavs -phoria
    ExoPHORIA
    Transient, temporary
    OUTward deviation
    EsoPHORIA
    Transient, temporary
    INward deviation
    http://www.pedseye.com/
  • 9. Hypertropia
    Upward vertical misalignment
    Most common cause is trochlear fourth nerve palsy (SO4)
    Differential includes
    thyroid related eye disease
    orbital trauma
    Brown’s syndrome
    Hypotropia
    Downward deviation is very rare.
    http://www.pedseye.com/
  • 10. Strabismus
    You
    Amblyopia
    them
    Exotropia
    Esotropia
    Hypertropia
    Hypotropia
  • 11. References
    https://www.google.com/health/ref/Amblyopia
    http://www.pedseye.com/topics_amblyopia.htm
    http://www.health.state.mn.us/divs/fh/mch/webcourse/vision/mod4a.cfm
    Plus some handouts from Drs.

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