Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.ophtha.2014.03.039
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dc.titleLongitudinal Changes of Angle Configuration in Primary Angle-Closure Suspects. The Zhongshan Angle-Closure Prevention Trial
dc.contributor.authorJiang, Y.
dc.contributor.authorChang, D.S.
dc.contributor.authorZhu, H.
dc.contributor.authorKhawaja, A.P.
dc.contributor.authorAung, T.
dc.contributor.authorHuang, S.
dc.contributor.authorChen, Q.
dc.contributor.authorMunoz, B.
dc.contributor.authorGrossi, C.M.
dc.contributor.authorHe, M.
dc.contributor.authorFriedman, D.S.
dc.contributor.authorFoster, P.J.
dc.date.accessioned2016-10-19T08:45:10Z
dc.date.available2016-10-19T08:45:10Z
dc.date.issued2014
dc.identifier.citationJiang, Y., Chang, D.S., Zhu, H., Khawaja, A.P., Aung, T., Huang, S., Chen, Q., Munoz, B., Grossi, C.M., He, M., Friedman, D.S., Foster, P.J. (2014). Longitudinal Changes of Angle Configuration in Primary Angle-Closure Suspects. The Zhongshan Angle-Closure Prevention Trial. Ophthalmology. ScholarBank@NUS Repository. https://doi.org/10.1016/j.ophtha.2014.03.039
dc.identifier.issn01616420
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/128788
dc.description.abstractObjective: To determine longitudinal changes in angle configuration in the eyes of primary angle-closure suspects (PACS) treated by laser peripheral iridotomy (LPI) and in untreated fellow eyes. Design: Longitudinal cohort study. Participants: Primary angle-closure suspects aged 50 to 70 years were enrolled in a randomized, controlled clinical trial. Methods: Each participant was treated by LPI in 1 randomly selected eye, with the fellow eye serving as a control. Angle width was assessed in a masked fashion using gonioscopy and anterior segment optical coherence tomography (AS-OCT) before and at 2 weeks, 6 months, and 18 months after LPI. Main Outcome Measures: Angle width in degrees was calculated from Shaffer grades assessed under static gonioscopy. Angle configuration was also evaluated using angle opening distance (AOD250, AOD500, AOD750), trabecular-iris space area (TISA500, TISA750), and angle recess area (ARA) measured in AS-OCT images. Results: No significant difference was found in baseline measures of angle configuration between treated and untreated eyes. At 2 weeks after LPI, the drainage angle on gonioscopy widened from a mean of 13.5° at baseline to a mean of 25.7° in treated eyes, which was also confirmed by significant increases in all AS-OCT angle width measures (P
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.ophtha.2014.03.039
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentOPHTHALMOLOGY
dc.description.doi10.1016/j.ophtha.2014.03.039
dc.description.sourcetitleOphthalmology
dc.description.codenOPHTD
dc.identifier.isiut000341151800018
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