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.
Frequency of Eyes Classified as Slow, Moderate, and Fast Progressors According to Rates of Change of Spectral-Domain Optical Coherence Tomography (SD OCT) Retinal Nerve Fiber Layer (RNFL) Thickness and Standard Automated Perimetry (SAP) Mean Deviation (MD). Eyes Are Separated in Levels of Visual Field Severity at Baseline. nl = normal visual field; mod = moderate; sev = severe.
