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

BMC Ophthalmology

Table 5 Correlations between IOPs and corneal biomechanical parameters at 3 months visit (r [P])

	IOP_NCT	bIOP	IOPg	IOPcc
CH	0.48 (0.16)	0.28 (0.44)	0.56 (0.09)	0.22 (0.54)
CRF	0.75 (0.01)	0.59 (0.07)	0.91 (0.001)	0.68 (0.03)
A1 Time (ms)	0.66 (0.03)	0.87 (0.001)	0.71 (0.03)	0.64 (0.06)
HC DA (mm)	− 0.76 (0.006)	− 0.74 (0.01)	− 0.82 (0.007)	− 0.76 (0.02)
SP A1	0.49 (0.15)	0.32 (0.37)	0.72 (0.04)	0.49 (0.22)
CCT (μm)	0.49 (0.11)	0.32 (0.31)	0.95 (0.001)	0.83 (0.003)
Km (D)	−0.05 (0.89)	0.29 (0.36)	−0.24 (0.51)	− 0.36 (0.30)

r correlation coefficient, CCT central cornea thickness at 3 month after surgery, 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, IOPNCT non-contact intraocular pressure, biop biomechanical corrected intraocular pressure, IOPg Goldmann-correlated intraocular pressure, IOPcc cornea compensated intraocular pressure

ISSN: 1471-2415