Table 1: Inclusion and exclusion criteria for entry into study.

Inclusion Exclusion
Proliferative diabetic retinopathy and laser therapy indication (panretinal photocoagulation) Non proliferative or proliferative diabetic retinopathy without laser therapy indication
Between 18 and 85 years old Has any active ocular disease, infection
or allergies
Has a systemic condition or taking medications that may affect a study
outcome variable