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.
Rate (%) of eyes that reached a progression end point based on the baseline visual field (VF) damage and mean treated intraocular pressure (IOP). 
, 1st IOP tertile; 
, 2nd IOP tertile; 
, 3rd IOP tertile. Mean IOP values for each tertile: mild: <14.68, 14.68–17.45, and 17.45–23.81 mm Hg; moderate: <14.50, 14.50–16.80, and 16.80–22.81 mm Hg; severe: <13.31, 13.31–15.35, and 15.35–21.58 mm Hg.
