Department of Ophthalmology, Hanyang University College of Medicine, Seoul, Korea.
Department of Ophthalmology, Hanyang University Guri Hospital, Guri, Korea.
Sci Rep. 2024 Oct 7;14(1):23271. doi: 10.1038/s41598-024-73900-z.
We aimed to investigate the repeatability of various corneal measurements according to topographical location in the entire cornea measured by dual rotating Scheimpflug-Placido camera and to explore the differences in repeatability between patients with mild dry eye and those with normal eyes. In both the normal and dry eye groups, divided based on BUT or the height of the tear film, there were no statistically significant differences in the ratio of unacceptable variation (RUV) and ICC. The consistency of the examination of the anterior and posterior refractive values and corneal thickness according to the corneal location, measured three times repeatedly using the Galilei anterior segment camera, was high. There was no difference based on the height of the tear film or the tear film break-up time. However, caution is needed when interpreting the values of the anterior corneal refractive values, as there can be changes of more than 0.5D within 3 mm of the central area.
本研究旨在通过双旋转 Scheimpflug-Placido 角膜地形图仪检测整个角膜的不同部位，以评估各种角膜参数的重复性，并探讨轻度干眼患者与正常眼患者之间重复性的差异。在正常眼组和干眼组中，根据 BUT 或泪膜高度进行分组，不可接受的变异率（RUV）和 ICC 之间无统计学差异。使用 Galilei 眼前节照相仪三次重复测量角膜不同部位的前、后屈光值和角膜厚度，其检查结果一致性高，与泪膜高度或泪膜破裂时间无关。然而，当解释中央区 3mm 范围内前角膜屈光值的数值时需要谨慎，因为可能会有超过 0.5D 的变化。
