Kohout M, Pai L, Berenguer B, Tayler P, Pracharktam N, Mulliken J B
Division of Plastic Surgery, Children's Hospital, Boston, USA.
J Craniomaxillofac Surg. 1998 Jun;26(3):174-8. doi: 10.1016/s1010-5182(98)80009-7.
A new instrument for orbital anthropometry is described. It consists of the base for a slit-lamp upon which the patient's head rests and rulers mounted on three independently movable axes. The z-axis probe is used to measure sagittal relationship between the corneal apices and points on the orbital perimeter. The instrument was tested against a sliding caliper and its accuracy was found to be within 0.2 mm or 2%. Intra- and inter-observer reliability were assessed by repeated measurements of two subjects by three observers. The intra-observer reliability was 0.99. Variations between observers was not significantly different for points orbitale inferius (oi), nasion (n), and orbitale superius (os), however, there was a statistically significant difference for measurement of orbitale laterale (ol). The correlation between anthropometric readings for lateral orbital wall to apex corneal (ol-ac) and CT scans for the same landmarks was assessed. Analysis of variance showed no difference between the measurement methods. This anthropometer is convenient and accurate for measurement of the sagittal orbital-globe relationships. A disadvantage is that it cannot be used intraoperatively.
本文介绍了一种新型眼眶人体测量仪。它由一个供裂隙灯使用的基座(患者头部可置于其上)以及安装在三个独立可移动轴上的标尺组成。z轴探头用于测量角膜顶点与眶周各点之间的矢状关系。该仪器与游标卡尺进行了对比测试,发现其精度在0.2毫米以内或2%以内。通过三名观察者对两名受试者进行重复测量,评估了观察者内和观察者间的可靠性。观察者内可靠性为0.99。对于眶下点(oi)、鼻根点(n)和眶上点(os),观察者之间的差异无统计学意义,然而,对于眶外侧点(ol)的测量,存在统计学显著差异。评估了眼眶外侧壁至角膜顶点(ol-ac)的人体测量读数与相同标志点的CT扫描之间的相关性。方差分析表明测量方法之间无差异。这种人体测量仪用于测量眼眶与眼球的矢状关系既方便又准确。一个缺点是它不能在手术中使用。