HRV	Heart rate variability
ANS	Autonomic nervous system
SDNN	The standard deviation of normal-to-normal intervals
RMSSD	The square root of the mean of the sum of the squared differences between adjacent normal-to-normal intervals
CVRR	the coefficient of variation of R-R intervals
POAG	Primary open-angle glaucoma
EXG	Exfoliation glaucoma
NTG	Normal-tension glaucoma
IOP	Intraocular pressure
BMI	Body mass index
BP	Blood pressure
BCVA	Best-corrected visual acuity
SERE	Spherical equivalent refraction
MD	Mean deviation
LogMAR	Logarithm of the minimum angle of resolution
CI	Confidence interval
FDR	False discovery rate