白内障分类系统研发进展。
Progress toward developing a cataract classification system.
作者信息
Leske M C, Chylack L T, Sperduto R, Pennett M, McCarthy D
机构信息
State University of New York at Stony Brook.
出版信息
Dev Ophthalmol. 1987;15:9-15. doi: 10.1159/000414685.
A cataract classification system is being developed based on a set of standard photographs. The system uses an ordinal scale ranging from 0 (no opacities) to 2 (definite opacities) to classify cataractous changes in the nuclear, cortical, and posterior subcapsular lens zones. The reproducibility of slitlamp-derived and photo-derived classifications using the system was evaluated. The reproducibility between 2 observers for slitlamp-derived classifications was very high (n = 60). The reproducibility within and among 4 photography readers was also good for photo-derived classifications (n = 100). Discrepancies were found between ratings derived from slitlamp examinations and from photographs; such discrepancies were most frequent for gradings of cortical opacities.
正在基于一组标准照片开发一种白内障分类系统。该系统使用从0（无混浊）到2（明确混浊）的有序量表，对晶状体核、皮质和后囊下区域的白内障变化进行分类。评估了使用该系统的裂隙灯检查和照片检查分类的可重复性。两名观察者之间裂隙灯检查分类的可重复性非常高（n = 60）。对于照片检查分类，4名摄影阅片者内部和之间的可重复性也很好（n = 100）。发现裂隙灯检查和照片检查得出的评级之间存在差异；这种差异在皮质混浊分级中最为常见。
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