AIx	Augmentation index
AP	Aortic augmented pressure
AxL_KE	Axial length, control eye
AxL_TE	Axial length, treated eye
BMI	Body mass index
CLD	Carotid lumen diameter
CRT	Central retinal thickness
DBP	Diastolic blood pressure (brachial)
cDBP	Central diastolic blood pressure (aortic)
eGFR	Estimated glomerular filtration rate
HbA1c	Glycated haemoglobin
HDL	High-density lipoprotein cholesterol
HR	Heart rate
IMT	Intima–media thickness
IMTLR	Intima/media thickness-to-lumen ratio
IOP (Tonus)	Intraocular pressure
IQR	Interquartile range
LD	Lumen diameter (retinal arteriole)
LDL	Low-density lipoprotein cholesterol
MAP	Mean arterial pressure (brachial)
cMAP	Central mean arterial pressure (aortic)
N	Number of cones within a standardised 80 × 80 µm sampling window
PP	Pulse pressure (PP = Sys − Dia)
cPP	Central pulse pressure (cPP = cSys − cDia)
PWV	Carotid–femoral pulse wave velocity
PWVHR	Heart rate-adjusted PWV
Reg	Cone regularity within a standardised 80 × 80 µm window
SBP	Systolic blood pressure (brachial)
cSBP	Central systolic blood pressure (aortic)
TE	Treated eye
KE	Control eye
TGL	Triglycerides
VD	Vessel diameter (retinal arteriole)
Visus	Visual acuity
WLR	Wall-to-lumen ratio
WT	Wall thickness (retinal arteriole)
WCSA	Wall cross-sectional area (retinal arteriole)