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Changes in the mean BCVA (logMAR units) from the baseline to 12 months after the IVA. In the 3+PRN group, the mean BCVA was significantly improved at 3 and 12 months after the IVA compared to that in the 1+PRN group (P = 0.0389 and 0.0183, respectively; Mann Whitney U test). BCVA: best-corrected visual acuity; PRN: pro re nata; logMAR: logarithm of the minimum angle of resolution.
