Novel dynamic corneal response parameters in a practice use: a critical review

Table 5 List of changes in DCR parameters after corneal surgery

Parameter	Lee et al. [84]		Lee et al. [44]		Fernandez et al. [85]	Hirasawa et al. [75].	Vinciguerra et al. [86]
Parameter	PKR (n = 35)	PRK + LASIK (n = 34)	LASIK (n = 64)	PRK (n = 65)	SMILE (n = 43)	CATARACT (n = 39)	CLX (n = 34)
DA ratio (1 mm)	↑	↑	–	–	↑	↑	↓
DA ratio (2 mm)	↑	↑	↑	↑	↑	–	–
SP-A1	↓	↓	↓	↓	↓	↓	↑
SP-HC	↓	↓	–	–	–	–	↑
IntInvRad	↑	↑	↑	↑	↑	↑	↓
bIOP	No significant difference	No significant difference	No significant difference	No significant difference	↓	↓	↑
ARTh	–	–	↓	↓	–	↓	–

The up arrow (↑) indicates a significant increase in the given parameter; down arrow (↓) indicates a significant decrease in a given parameter; horizontal lines (–) indicate the lack of analysis of a given parameter
PRK: photorefractive keratectomy; LASIK: laser-assisted laser in situ keratomileusis; SMILE: small-incision lenticule extraction; CATARACR: cataract surgery; CLX: corneal cross-linking; DA ratio (1 mm): deformation amplitude ratio at 1 mm; DA ratio (2 mm): deformation amplitude ratio at 2 mm; SP-A1: stiffness parameter A1; SP-HC: stiffness parameter HC; IntInvRad: integrated inverse radius; bIOP: biomechanically corrected IOP; ARTh: Ambrosio relational thickness to the horizontal profile

ISSN: 1475-925X