Use of Intravitreal Bevacizumab in Patients With Diffuse Diabetic Macular Edema

Inclusion Criteria: * Type 2 diabetes * Macular edema involving the center of the macula demonstrated on OCT * Clear ocular media * Untreated patients * Older than 45 years * BCVA of the fellow eye at least 20/100 Exclusion Criteria: * Renal diabetic disease, uncontrolled hypertension or stroke history * Other ocular disease * Ocular surgery excepting uncomplicated phacoemulsification * History of photocoagulation (panretinal or focal) * History of another intravitreal treatment (like triamcinolone)