Preoperative Bevacizumab Administration in Proliferative Diabetic Retinopathy Patients Undergoing Vitrectomy: A Randomized and Controlled Trial Comparing Interval Variation

This randomized clinical trial demonstrated better postoperative outcomes at 6 months when subjects received preoperative IVB 5-10 days before PPV compared to 1-3 days for the treatment of PDR-related complications.