Eye Am Confused

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

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Eye Am Confused

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

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