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Purpose   This study aims to measure burst pressures in 3 mm clear corneal incisions sealed with ReSure, a biodegradable hydrogel sealant, and to compare it to traditional 10-0 nylon sutures and unsealed controls.Design   An ex vivo animal study.Methods   3 mm clear corneal incisions were performed in rabbit eyes (ex vivo). The burst pressure was determined, and then, the incisions were sealed with either ReSure glue or a single 10-0 nylon suture. Burst pressure measurements were repeated.Results   Fourteen eyes were included. The median burst pressure in the suture-control group (7 eyes) prior to suture application was 7 mmHg (range: 0–45); the median burst pressure in the 7 glue-controls was 36 mmHg (range: 5–61,  p  = 0.08 for the comparison of the two control groups). The median burst pressure in the glue group was 93 mmHg (range: 39–129,  p  = 0.043 when compared to glue-control). The median burst pressure in the suture group was 158 mmHg (range: 70–180,  p  = 0.018 when compared to suture-control). There was no statistically significant difference in burst pressure values between the glue and suture groups ( p  = 0.08).Conclusion   In this study, ReSure glue applied to 3 mm clear corneal incisions provided sufficient resistance to elevated intraocular pressure when compared to controls. The results of this study suggest that ReSure glue may be comparable to a single 10-0 nylon suture in resisting fluid egress during the early postoperative period.

Burst Pressures in Eyes with Clear Corneal Incisions Treated with ReSure Glue