KC	Keratoconus
MR	Mendelian randomisation
IVW	Inverse variance weighted
SNP	Single-nucleotide polymorphism
ORA	Ocular Response Analyzer
CVS	Corvis ST
CH	Corneal hysteresis
CRF	Corneal resistance factor
RCT	Randomised control trial
GWAS	Genome-wide association study
SSI	Stress–stain index
CBI	Sorneal biomechanical index
CEU	Cardiovascular Epidemiology Unit
IV	Instrumental variables
LD	Linkage disequilibrium
MR Egger	Mendelian randomisation–Egger
CI	Confidence interval
OR	Odds ratio
ECM	Extracellular matrix
MMPs	Matrix metalloproteinases
IL-6	Interleukin-6
TNF-α	Tumor necrosis factor-α
SP-A1	Corneal stiffness parameter at first applanation time