Characteristics of randomized controlled trials (RCTs) evaluating IVTA combined with PRP and MPC for treating PDR and DME.

IVTA = intravitreal injection of triamcinolone acetonide; PRP = panretinal photocoagulation; BCVA = best corrected visual acuity; FA = fluorescein angiography; CMT = central macular thickness; NA = not available; RAFL = perimetric area of fluorescein leakage; SMCT = standardized changes in macular thickness; MPC = macular photocoagulation; TMV = total macular volume; IOP = intraocular pressure.*any change in VA compared with the pre-injection level.