This retrospective analysis shows that more than 50% of patients treated with monthly ranibizumab achieved clinically significant vision gains during the initial 6 months of treatment, which largely were maintained using PRN treatment to 12 months. In comparison, less than 50% of patients initially randomized to sham (and later receiving ranibizumab 0.5 mg PRN treatment) ever achieved clinically significant vision gains. These results suggest that initiating treatment immediately after diagnosis may provide the greatest vision gains. The potential benefits of early treatment should be evaluated further in prospective clinical studies.
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