Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Histograms showing the mean (SD) peak systolic velocity (PSV) and end diastolic velocity (EDV) in the central retinal artery (CRA) and short posterior ciliary arteries (SPCAs) for normal subjects and glaucoma patients at baseline (open) and in response to hypercapnia (solid). *Significant effects where p<0.05.
