
Keywords: Hydrogen sulfide; Posterior ciliary artery; Ocular blood flow; Cystathionine β-synthase; Cystathionine γ-lyase; KATP channel; Nitric oxide; H2S; Hydrogen sulfide; CBS; Cystathionine β-synthase; CSE; Cystathionine γ -lyase; PAG; Propargylglycine; AOAA;