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. Author manuscript; available in PMC: 2015 Jun 1.
Published in final edited form as: J Cataract Refract Surg. 2014 Apr 24;40(6):943–953. doi: 10.1016/j.jcrs.2014.03.019

Figure 3.

Figure 3

Axial curvature maps and simulated K values (Sim K's) for patients with regular against-the-rule astigmatism (patient 1, top row) and with-the-rule astigmatism (patient 2, bottom row) before (left) and after (right) simulated corneal CXL with a linear bow-tie treatment pattern oriented along the flat axis and assuming a 2-times increase in stromal stiffness in the treatment zone. Reductions in overall astigmatism are observed through steep-ening of the treated axis and flattening of the orthogonal axis.