AH	Aqueous humor
AC	Anterior chamber
BP	Blood pressure
CCFs	Carotid–cavernous fistulas
CRA	Central retinal artery
DM	Diabetes mellitus
DR	Diabetic retinopathy
ET-1	Endothelin-1
EVP	Episcleral venous pressure
HTN	Hypertension
IEEVP	Idiopathic elevated episcleral venous pressure
IOP	Intraocular pressure
MMPs	Matrix metalloproteinases
NVC	Neurovascular coupling
NVG	Neovascular glaucoma
OCTA	Optical coherence tomography angiography
ONH	Optic nerve head
OPP	Ocular perfusion pressure
PACG	Primary angle closure glaucoma
POAG	Primary open-angle glaucoma
RGCs	Retinal ganglion cells
SPCA	Short posterior ciliary artery
SWS	Sturge–Weber syndrome
TM	Trabecular meshwork
VEGF	Vascular endothelial growth factor
ZO-1	Zonula occludens 1