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光学相干断层扫描技术检测弱视患者视网膜厚度的研究进展 被引量:3

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摘要 弱视(amblyopia)是视觉发育期内由于异常视觉经验(单眼斜视、屈光参差、高度屈光不正以及形觉剥夺)引起的单眼或双眼最佳矫正视力下降,眼部检查无器质性病变。根据异常视觉经验,将弱视分为四类:斜视性弱视、屈光参差性弱视、屈光不正性弱视和形觉剥夺性弱视。斜视的患病率是2%~4%[1]。OCT是20世纪90年代初期发展起来的一种新型非接触式、无创光学影像诊断技术,是利用眼中不同组织对光(用830mm近红外光)的反射性不同,通过低相干性光干涉测量仪,比较反射光波和参照光波测定发射光波的延迟时间和反射强度,分别测出不同组织的结构及其距离,经计算和处理成像,获得被检测组织的断层结构。
出处 《淮海医药》 CAS 2014年第6期622-624,共3页 Journal of Huaihai Medicine
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