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Results of gelatin zymography: a two out of three corneal ulcer patients and one out of two ocular surface disorder patients showing MMP-9 activity (both pro- and active forms). b Four out of five cases of corneal ulcer and one patient of ocular surface disorder showing MMP-9 activity. c All six patients showing MMP-9 activity. We did not find MMP-2 activity in any of our cases. No MMP activity detected in any of the control subjects
