The methods of repair and the relative risk [95% CI] of re-exposure were conjunctival closure only (n=4; RR=2.10 [0.84-5.23]); repair with patch graft and conjunctival repair (n=18), RR=1.24 [0.51-3.01]; tube repositioning, use of patch graft and conjunctival repair (n=14), RR=1.0; tube removal with replacement in a different quadrant, patch graft…[Read more]