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.
The percentage in the parenthesis is the percentage of conversion, and the number in the parenthesis is the length of follow-up in months. Those with ophthalmoscopic optic nerve head/nerve fiber layer (ONH/NFL) defect (entire top circle) represents the pre-perimetric glaucoma (PPG) subgroup, while the remainder represents the glaucoma suspect (GS) subgroup. PG, perimetric glaucoma.
