Table 3: Mean, standard deviation and range of the Corvis ST parameters in different groups evaluated in our study.

ParametersMean ± SDRange

Healthy,
 Time of Applanation 1 (AT1) (ms) From 6.9 to 9.1
 Length of Applanation 1 (AL1) (mm) From 1.3 to 2.3
 Velocity of Applanation 1 (AV1) (m/s) From 0.0 to 0.2
 Time of Applanation 2 (AT2) (ms) From 3.4 to 6.0
 Length of Applanation 2 (AL2) (mm) From 1.0 to 2.7
 Velocity of Applanation 2 (AV2) (m/s) From −0.5 to −0.1
 Deformation Amplitude at the highest concavity (HCDA) (mm) From 0.7 to 1.3
PRK,
 Time of Applanation 1 (AT1) (ms) From 6.9 to 7.7
 Length of Applanation 1 (AL1) (mm) From 1.3 to 2.6
 Velocity of Applanation 1 (AV1) (m/s) From 0.1 to 0.5
 Time of Applanation 2 (AT2) (ms) From 4.2 to 5.6
 Length of Applanation 2 (AL2) (mm) From 1.1 to 2.7
 Velocity of Applanation 2 (AV2) (m/s) From −0.5 to −0.3
 Deformation Amplitude at the highest concavity (HCDA) (mm) From 0.8 to 1.2
KC,
 Time of Applanation 1 (AT1) (ms) From 6.4 to 7.3
 Length of Applanation 1 (AL1) (mm) From 1.2 to 2.4
 Velocity of Applanation 1 (AV1) (m/s) From 0.1 to 0.3
 Time of Applanation 2 (AT2) (ms) From 4.6 to 5.9
 Length of Applanation 2 (AL2) (mm) From 0.9 to 2.4
 Velocity of Applanation 2 (AV2) (m/s) From −0.6 to −0.2
 Deformation Amplitude at the highest concavity (HCDA) (mm) From 0.8 to 1.5
CCC,
 Time of Applanation 1 (AT1) (ms) From 6.5 to 7.2
 Length of Applanation 1 (AL1) (mm) From 1.3 to 2.2
 Velocity of Applanation 1 (AV1) (m/s) From 0.1 to 0.2
 Time of Applanation 2 (AT2) (ms) From 4.6 to 6.8
 Length of Applanation 2 (AL2) (mm) From 0.9 to 2.4
 Velocity of Applanation 2 (AV2) (m/s) From −0.6 to −0.3
 Deformation Amplitude at the highest concavity (HCDA) (mm) From 1.0 to 1.5