Changes in choroidal area following trabeculectomy: Long-term effect of intraocular pressure reduction

Hirokazu Kojima, Kazuyuki Hirooka, Shozo Sonoda, Taiji Sakamoto and Yoshiaki Kiuchi

PLOS ONE, 2019, vol. 14, issue 3, 1-11

Abstract: Purpose: To evaluate changes in the macula and peripapillary choroidal area at one year after trabeculectomy in order to determine the effect of intraocular pressure (IOP) changes. Methods: This prospective longitudinal study examined 30 eyes of 30 patients with glaucoma that was uncontrolled by medical therapy. At 1 day before and at 1 year after the trabeculectomy surgery, macular and peripapillary choroidal images were recorded by enhanced depth imaging optical coherence tomography (EDI-OCT). Luminal and interstitial areas were converted to binary images using the Niblack method. Factors influencing the macular choroidal and peripapillary area were examined by multivariate analysis. Results: After trabeculectomy, the mean IOP was 10.8±3.2 mmHg compared to 17.8±7.2 mmHg at baseline (P

Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0209145

DOI: 10.1371/journal.pone.0209145

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