A) Linear regression relating CH to corneal anterior elevation, (r =-0.136, P=0.002*) B) Linear regression relating CRF to corneal anterior elevation, (r=-0.152, P=0.001*) C) Linear regression relating CH to corneal Q value (anterior), (r=0.136, P=0.002*) D) Linear regression relating CRF to corneal Q value (anterior), (r= 0.132, P=0.003*) E) Linear regression relating CH to corneal spherical aberration, (r=0.184, P=0.000*) F) Linear regression relating CRF to corneal spherical aberration, (r= 0.191, P=0.000*)

Figure 4: Scatter plot of relationship between corneal biomechanical parameters (CH, CRF) and corneal anterior central elevation value, Q value and spherical aberration.