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Refractive Surgery/Laser Vision Correction

Predicting LASIK Surgery Candidacy

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In an assessment of the ability of air puff-derived biomechanical variables to predict LASIK candidacy, the hysteresis loop appeared to serve as the best predictor, according to a retrospective case series involving 93 individuals. 

Participants from 2 surgeons at 2 centers included LAKIK candidates (n=46) as well those disqualified from having the procedure (n=47). Investigators calculated 3 custom biomechanical variables by group and surgeon. Among the results: 

  • There were significant differences in the hysteresis loop area between disqualified cases and candidates. 
  • The hysteresis loop area had the highest odds ratios for both surgeons.

De Stefano V, Seven I, Randleman J, Dupps W.  Custom air puff-derived biomechanical variables in a refractive surgery screening setting: Study from 2 centers. J Cataract Refract Surg. 2018;44(5):589-595. doi: 10.1016/j.jcrs.2018.03.022.
 

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