Mesh : Angiogenesis Inhibitors / administration & dosage therapeutic use Antibodies, Monoclonal, Humanized / administration & dosage therapeutic use Bevacizumab Cotton Fiber Diabetic Retinopathy / drug therapy Eye Foreign Bodies / diagnosis etiology Humans Intravitreal Injections / adverse effects Macular Edema / drug therapy Male Middle Aged Vascular Endothelial Growth Factor A / antagonists & inhibitors Vitreous Body / pathology