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. 2015 Sep-Oct;31(5):1223–1226. doi: 10.12669/pjms.315.7683

Table-III.

No of times HOAs have changed after LASIK.

Pre LASIK Post LASIK Ratio Post/Pre
Total RMS 0.39 0.61 1.56
Coma 0.22 0.41 1.86
Spherical Aberration 0.09 0.22 2.44