Subfoveal Choroidal Thickness and Visual Acuity After Intravitreal Injection of Ranibizumab in Diabetic Retinopathy

"These patients were received three intravitreal injection of ranibizumab with one month interval. 3D-OCT by enhanced depth spectral-domain imaging (EDI-OCT) was done preoperative and a month after every injection.~All patients recieved topical anesthesia as 0.5 mg/0.05 ml , ranibizumab is injected 4 mm (3.5 mm in Pseudophakia) from the limbus intravitreally (in the lower temporal quadrant) by a needle (27gauge)."