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We thank Dr Kirwan for his interest and comments on our article. Dr Kirwan asserts that an ab interno gelatin microstent is a reasonable alternative to trabeculectomy “where the trabeculectomy results are suboptimal.” In our earlier correspondence, we have shown that our trabeculectomy results are very much in keeping with the modern trabeculectomy literature, and elaborated on the “difficulties” Dr Kirwan alludes to but does not address in comparing resu lts across studies. For instance, the retrospective 2015 study by Kirwan et al compared with this one has differences in baseline characteristics (e.g., 3% vs.

Source: Ophthalmology - March 19, 2018 Category: Opthalmology Authors: Matthew B. Schlenker, Husayn Gulamhusein, Ina Conrad-Hengerer, Alix Somers, Markus Lenzhofer, Ingeborg Stalmans, Herbert Reitsamer, Fritz H. Hengerer, Iqbal Ike K. Ahmed Tags: Correspondence Source Type: research