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.
Study flowchart. VH=vitreous hemorrhage; PDR=proliferative diabetic retinopathy; PPV: pars plana vitrectomy. *In assessment of the occurrence of VH, eyes with VH at the baseline visit were excluded, leaving 55 eyes of 45 subjects eligible for analysis.
