We read with interest "Intravitreal Injection of Triamcinolone for DiffuseDiabetic Macular Edema" by Jonas et al.1 Vascularinflammation has recently been linked to diabetic angiopathy, and therefore,the use of localized steroid could possibly improve the effects of diabeticmaculopathy. However, this study has not convinced us of the benefits of intravitrealtriamcinolone injection.