Therapeutic effect of lutein supplement on non-proliferative diabetic retinopathy: A retrospective study.

This study retrospectively evaluated the effect of lutein supplement (LS) on patients with non-proliferative diabetic retinopathy (NPDR).A total of 72 patients with NPDR were included in this study. All patients received Zeaxanthin during the study period.

Efficacy of ranibizumab for the treatment of diabetic retinopathy: A protocol for systematic review of randomized controlled trial.

Background: Previous clinical trials have reported that ranibizumab can be used to treat diabetic retinopathy (DR) effectively. However, no study has been conducted to evaluate its efficacy for patients with DR systematically. Thus, this study will specifically and systematically assess the efficacy and safety of ranibizumab for DR.