Avetisov S E, Karamian A A, Sukhanova E V
Vestn Oftalmol. 2007 Sep-Oct;123(5):6-8.
The authors made a detailed comparative analysis of the aberration pattern of patients before and after aspheric individualized keratoablation (ORK-CAM) and the LASIK operation by routine technology, by taking into account the magnitude of 4th-order spherical aberration. Investigations were made in 2 groups: 1) 20 patients (39 eyes) who had undergone routine ablation (a study group); 2) 19 patients (38 eyes) who had aspheric individualized keratoablation (a control group). The detailed comparative analysis of the aberration pattern in patients after eximer laser correction by different technologies yielded major criteria predetermining the choice of an eximer laser correction technology. Indications for routine and individualized aspheric keratoablation are defined. Further studies of the impact of high-order aberrations on different visual functions are required to solve the vexed questions whether it is aberrationally expedient to choose laser correction. Ophthalmo-ergonomic studies should be also performed to provide a clinical verification of the consistency of the proposed concept of the indications and the choice of the optimal technology of eximer laser correction.
作者通过考虑四阶球差的大小，对非球面个体化角膜切削术（ORK-CAM）前后以及采用常规技术的准分子原位角膜磨镶术（LASIK）患者的像差模式进行了详细的对比分析。研究分为两组：1）20例接受常规切削的患者（39只眼）（研究组）；2）19例接受非球面个体化角膜切削术的患者（38只眼）（对照组）。对不同技术的准分子激光矫正术后患者像差模式的详细对比分析得出了决定准分子激光矫正技术选择的主要标准。明确了常规和个体化非球面角膜切削术的适应证。为解决是否选择激光矫正在像差方面是否适宜这一棘手问题，需要进一步研究高阶像差对不同视觉功能的影响。还应进行眼科人体工程学研究，以临床验证所提出的适应证概念与准分子激光矫正最佳技术选择的一致性。
