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    Anterior Segment Optical Coherence Tomography for the Quantitative Evaluation of the Anterior Segment Following Boston Keratoprosthesis

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    Date
    2013-08
    Author
    Kang, Joann J.
    Allemann, Norma
    Vajaranant, Thasarat
    de la Cruz, Jose
    Cortina, Maria Soledad
    Publisher
    Public Library of Science
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    Abstract
    OBJECTIVE: To quantitatively evaluate the anterior segment using anterior segment optical coherence tomography (AS-OCT) following Boston keratoprosthesis type 1. METHODS: A retrospective study consisted of AS-OCT imaging at a single time point postoperatively in 52 eyes. Main outcomes measures include anatomical and functional anterior chamber depth (ACD), angle (ACA) and peripheral and proximal synechiae. RESULTS: The mean time point of imaging was 19.3 months postoperatively. Average anatomical and functional ACD was 2.0 and 0.21 mm respectively, and mean ACA ranged from 2.5° to 6.14° in representative meridians. An average of 8.7 clock hours of angle closure was observed in the 25 eyes in which all meridians were imaged. The majority of eyes showed peripheral (86.5%) and proximal (67.3%) synechiae. CONCLUSIONS: AS-OCT is a useful tool for quantitative evaluation of anterior segment and angle after keratoprosthesis, which is otherwise poorly visible. The majority of eyes showed shallow ACD, extensive angle closure and synechiae formation.
    Subject
    anterior eye chamber angle
    peripheral synechia
    optical coherence tomography
    Type
    Article
    Date available in INDIGO
    2013-12-13T17:47:52Z
    URI
    http://hdl.handle.net/10027/10905
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    • Publications - Ophthalmology and Visual Sciences

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