Lack of statistical power and refractive outcomes.


In their excellent study, Sahin et al. investigated the effect of diabetes mellitus on various corneal biomechanical parameters, as measured by the Ocular Response Analyzer (ORA; Reichert, Inc., Depew, NY). The rationale of their study is very interesting. To my surprise, the authors showed a decrease in corneal hysteresis (CH) rather than the expected… (More)
DOI: 10.1167/iovs.09-4983


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