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Table 3 Intended and achieved arcuate incision depth in porcine eyes with three different treatment options

From: Accuracy and safety of partial thickness femtosecond laser radial and arcuate keratotomy incisions in porcine eyes

Intended corneal incision depth Number of measures Achieved corneal incision depth MAE (intended-achieved) in incision depth ± SD (µm)
Mean ± SD Median Range
80% of corneal thickness (%) 30 80.16 ± 1.89 80.12 75.51–83.72 15.65 ± 11.50
600 µm fixed incision depth (µm) 30 603.03 ± 23.53 606.5 561–642 18.95 ± 11.74
100 µm fixed residual uncut bed thickness (µm) 30 115.00 ± 16.84 113.5 55–143 20.48 ± 13.23
  1. Five porcine eyes were used in each set. Two arcuate incisions were performed in each eye and three measurements for each AK were taken making a total of 30 measurements in each set
  2. MAE mean absolute error; SD standard deviation