准分子激光手术：采用回旋控制眼球跟踪系统的生物测量虹膜眼识别。
Excimer Laser Surgery: Biometrical Iris Eye Recognition with Cyclorotational Control Eye Tracker System.
机构信息
Swiss Eye Research Foundation, Eye Clinic ORASIS, 5734 Reinach AG, Switzerland.
Faculty of Sciences, Department of Physics, University of Novi Sad, Trg Dositeja Obradovica 4, Novi Sad 21000, Serbia.
出版信息
Sensors (Basel). 2017 May 25;17(6):1211. doi: 10.3390/s17061211.
A prospective comparative study assessing the importance of the intra-operative dynamic rotational tracking-especially in the treatment of astigmatisms in corneal refractive Excimer laser correction-concerning clinical outcomes is presented. The cyclotorsion from upright to supine position was measured using iris image comparison. The Group 1 of patients was additionally treated with cyclorotational control and Group 2 only with X-Y control. Significant differences were observed between the groups regarding the mean postoperative cylinder refraction ( < 0.05). The mean cyclotorsion can be calculated to 3.75° with a standard deviation of 3.1°. The total range of torsion was from -14.9° to +12.6°. Re-treatment rate was 2.2% in Group 1 and 8.2% in Group 2, which is highly significant ( < 0.01). The investigation confirms that the dynamic rotational tracking system used for LASIK results in highly predictable refraction quality with significantly less postoperative re-treatments.
一项评估术中动态旋转跟踪重要性的前瞻性对比研究——特别是在角膜屈光性准分子激光矫正中散光的治疗方面——就临床结果进行了介绍。通过虹膜图像比较测量了从直立位到仰卧位的眼旋转变位。第 1 组患者还接受了眼旋控制治疗，第 2 组仅接受了 X-Y 控制治疗。两组之间的平均术后圆柱镜屈光度存在显著差异（<0.05）。平均眼旋转变位可计算为 3.75°，标准差为 3.1°。总扭转范围为-14.9°至+12.6°。第 1 组的再治疗率为 2.2%，第 2 组为 8.2%，差异具有统计学意义（<0.01）。该研究证实，用于 LASIK 的动态旋转跟踪系统可获得高度可预测的屈光质量，术后再治疗率显著降低。
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