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Table 4 Corneal biomechanical parameters measured using the ocular response analyzer and Corvis ST

From: Intraocular pressure changes and corneal biomechanics after hyperopic small-incision lenticule extraction

 Pre-opPost-1wPost-1 mPost-3 msP
CH11.47 ± 1.4710.88 ± 1.1911.05 ± 1.9511.12 ± 1.140.13
CRF11.25 ± 2.229.71 ± 1.6410.15 ± 2.339.51 ± 1.87.001
A1 Time (ms)7.10 ± 0.526.87 ± 0.246.93 ± 0.576.88 ± 0.310.23
HC DA (mm)1.03 ± 0.141.13 ± 0.141.14 ± 0.151.11 ± 0.080.12
SP -A1114.87 ± 16.6793.64 ± 18.0092.08 ± 20.8294.03 ± 19.070.001
  1. CH cornea hysterisis, CRF cornea resistance factor, A1 Time first applanation time, HC DA deformation amplitude, the largest anterior-posterior displacement of the corneal apex at the highest concavity phase, SP-A1 Resultant pressure [adjusted pressure at A1 (adj AP1) – biomechanically compensated IOP (Biop)] divided by deflection amplitude at A1