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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-op

Post-1w

Post-1 m

Post-3 ms

P

CH

11.47 ± 1.47

10.88 ± 1.19

11.05 ± 1.95

11.12 ± 1.14

0.13

CRF

11.25 ± 2.22

9.71 ± 1.64

10.15 ± 2.33

9.51 ± 1.87

.001

A1 Time (ms)

7.10 ± 0.52

6.87 ± 0.24

6.93 ± 0.57

6.88 ± 0.31

0.23

HC DA (mm)

1.03 ± 0.14

1.13 ± 0.14

1.14 ± 0.15

1.11 ± 0.08

0.12

SP -A1

114.87 ± 16.67

93.64 ± 18.00

92.08 ± 20.82

94.03 ± 19.07

0.001

  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
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BMC Ophthalmology

ISSN: 1471-2415

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