MK-LASIK	Microkeratome-assisted laser in situ keratomileusis
FS-LASIK	Femtosecond-laser-assisted laser in situ keratomileusis
KLEX	Keratorefractive lenticule extraction
ORA	Ocular Response Analyzer
CH	Corneal hysteresis
CRF	Corneal resistance factor
FT	Flap thickness
AD	Ablation depth
CCT	Central corneal thickness
PTA	Percentage of tissue depth altered
RST	Residual stromal bed thickness
AWBI	Anterior weighted biomechanical index
PWBI	Posterior weighted biomechanical index
IOPcc	Corneal-compensated intraocular pressure
IOPg	Goldmann-compensated intraocular pressure
UDVA	Uncorrected distance visual acuity
CDVA	Corrected distance visual acuity
EI	Efficacy index
SI	Safety index