Objective: To examine the effects of ranibizumab on patient-reported visual function using the National Eye Institute Visual Function Questionnaire 25 (NEI VFQ-25) in patients with neovascular age-related macular degeneration (AMD). Design: In MARINA, a randomized, double-masked clinical trial, 716 patients with AMD with recent disease progression and minimally classic or occult with no classic lesion component were randomized 1:1:1 to monthly intravitreal ranibizumab (0.3 or 0.5 mg) or sham injections. The NEI VFQ-25 was administered at 0, 1, 2, 3, 6, 9, 12, 18, and 24 months. Main Outcome Measure: Mean change from baseline in NEI VFQ-25 scores at 12 and 24 months. Results: At 12 months, ranibizumab-treated patients (0.3 mg [n=238] and 0.5 mg [n=240]) had mean improvements in NEI VFQ-25 composite scores of +5.2 (95% confidence interval [CI], 3.5 to 6.9) and +5.6 (95% CI, 3.9 to 7.4), respectively; sham-injected patients (n=238) had a mean decline of -2.8 (95% CI, -4.6 to -1.1; P <. 001 vs each dose). Ranibizumab-treated patients were more likely to improve in near activities, distance activities, and vision-specific dependency through 24 months. Conclusions: In MARINA, ranibizumab-treated patients were more likely than sham-treated patients to report visual function improvements at 12 and 24 months. Application to Clinical Practice: Treatment of neovascular AMD with ranibizumab can improve patient-reported visual function in a meaningful way compared with sham treatments. Trial Registration: clinicaltrials.gov Identifier: NCT00056836.
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