Erratum

Erratum

  • Journal of Refractive Surgery
  • April 2012 - Volume 28 · Issue 4: 246
  • DOI: 10.3928/1081597X-20120401-04
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The expression for the effective stress or von Mises stress (page 290) in the following article, which appeared in the April 2010 issue of the Journal of Refractive Surgery, was incorrect. The corrected equation follows below the article citation.

Elsheikh A. Finite element modeling of corneal biomechanical behavior. J Refract Surg. 2010;26(4):289–300.

σe=12(σ1−σ2)2+(σ2−σ3)2+(σ3−σ1)2

doi: 10.3928/1081597X-20120401-04

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