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Treatment of trichiasis with a lid cryoprobe.
  1. R. L. Johnson and
  2. J. R. Collin


    A series of 112 eyelids with symptomatic aberrant eyelashes were treated by cryotherapy using a specially designed large-surfaced high-flow nitrous oxide probe. Either thermocouple control to -20 degrees C or timing of the application to 20 seconds (lower lid) or 25 seconds (upper lid) was used to monitor the freeze. Both techniques obtained a high cure rate and a low incidence of complications.

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