The macular hole was closed successfully in 19 of 29 eyes ( 65.6 % ) treated with 5 % C3F8 , 19 of 30 eyes ( 63.3 % ) treated with 10 % C3F8 , and 85 of 90 eyes ( 94.4 % ) treated with 16 % C3F8 at 3 months ( P = 0.00017 for 5 % vs. 16 % C3F8 , P = 0.00006 for 10 % vs. 16 % C3F8 ) .
