Suprachoroidal Triamcinolone Versus Posterior Subtenon Triamcinolone Alone or Formulated in the Management of Diabetic Macular Edema.

Background Retinal vascular disorders, such as diabetic retinopathy, hypertensive retinopathy, retinal hemorrhage, and retinal vein occlusion are significant causes of vision impairment and blindness worldwide. Diabetic retinopathy (DR) is the most common retinal vascular disorder and is the leading cause of vision loss among patients aged 25 to 74 years. Aim to compare formulated Posterior Subtenon Triamcinolone acetonide (PSTA) injection versus Posterior Subtenon Triamcinolone acetonide alone versus suprachoroidal triamcinolone in the management of diabetic macular edema.