To evaluate the effect of posterior juxtascleral triamcinolone acetonide (TA) injection combined with photodynamic therapy with verteporfin (PDT) for treating exudative age-related macular degeneration (AMD), the best-corrected visual acuity (BCVA), the retreatment rates and the rate of choroidal hypoperfusion were investigated. A total of 67 eyes with subfoveal choroidal neovascularization (CNV) due to AMD were included. Forty-four eyes underwent PDT alone (PDT-alone group), and 23 eyes underwent PDT with the posterior juxtascleral injection of TA (PDT+TA group). Every 3 months after the PDT, the eyes were evaluated with regard to BCVA and requirement for retreatment by fluorescein angiography (FA) with the aid of optical coherence tomography (OCT). Choroiocapillaris hypoperfusion was assessed by indocyanine green angiography (ICGA) at 3 and 12 months. All patients completed a 1-year follow-up. At the baseline, there was no difference in lesion type, size or visual acuity between the two groups. At 1 year, the change in BCVA was -0.0811 logarithm of the minimum angle of resolution (LogMAR) in the PDT-alone group, compared with -0.0432 logMAR in the PDT+TA group. There was no significant difference in the change in BCVA between the two groups (P = 0.6910). The PDT+TA group required a lower mean number of treatments (1.64 compared with 2.34 [P = 0.0223]) and showed a higher rate of choriocapillaris occlusion at 3 months, but no significant difference at 1 year (P = 0.9243) Fewer retreatments were required in the TA+PDT group. There was no significant difference in the change in BCVA between the two groups. Adjacent TA may promote short-term choriocapillaris hypoperfusion.

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