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Ex-vivo burst pressure test of GELGYM. a) Burst pressure set-up for measuring the adhesion properties of GELGYM to seal corneal perforations ranging from 2 to 8 mm. The perforated corneas were placed between the pedestal and the tissue retainer, and secured by locking ring (FD of 175% and 22.5% w/v) for varying perforations, application approaches and CT, compared to GelMA and cyanoacrylate glue (ns, *, **, ***, and **** represent p > 0.05, p < 0.05, p < 0.01, p < 0.001 and p < 0.0001).
