Long-term visual field evaluation of trabeculectomy patients with a mean intraocular pressure below 15 mmHg

Marina Rocha, Jayter Silva Paula, Cassia Senger, Tiago Santos Prata, Fábio Nishimura Kanadani, Bruno de Barros Massote, Vitor Porto de Souza, Ana Cláudia Alves Pereira, Marcos P Ávila and Leopoldo Magacho

PLOS ONE, 2026, vol. 21, issue 3, 1-11

Abstract: The purpose of this multicenter, longitudinal, retrospective, observational study was to evaluate the long-term visual field (VF) outcomes of glaucoma patients with a mean intraocular pressure (IOP) of less than 15 mmHg who underwent trabeculectomy (TRAB). Patients who underwent TRAB with at least 3 years of follow-up were divided into two groups: G1 (mean postoperative IOP between 6 and 9 mmHg) and G2 (mean postoperative IOP between 10 and 14 mmHg). A total of 49 eyes from 47 patients were included in G1, and 111 eyes from 90 patients were included in G2. The mean follow-up time was 4.72 ± 2.72 years in G1 and 4.63 ± 2.46 years in G2 (p = 0.832). The mean IOP was 7.88 ± 1.06 mmHg in G1 and 11.83 ± 1.41 mmHg in G2 (p 0.05 for all). TRAB is a safe procedure with mean IOPs either in the single digits (i.e., between 6 and 9 mmHg) or between 10 and 14 mmHg.

Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0345568

DOI: 10.1371/journal.pone.0345568

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