Mean change from baseline BCVA at month 6 was +2 letters [ laser ; 0.04 logMAR , 95 % confidence interval ( -0.17 ; 0.25 ) ] , +17 letters [ IVR ; 0.34 ( 0.19 ; 0.5 ) ] and +6 letters [ combination ; 0.12 ( 0.01 ; 0.24 ) ] ( IVR versus laser p = 0.02 and IVR versus combination p = 0.02 ) .