Arrowsmith P N, Sanders D R, Marks R G
Arch Ophthalmol. 1983 Jun;101(6):873-81. doi: 10.1001/archopht.1983.01040010873002.
Prospective evaluation of radial keratotomy was conducted on 156 consecutive eyes of 101 patients. Before surgery, mean spherical equivalent (SE) was -5.0 diopters and uncorrected distance acuity was 20/200 or worse in 96% of eyes. All eyes were examined six months after surgery. Overall six-month postoperative distance acuity was 20/20 in 43% and 20/40 or better in 73% of eyes; 51% of eyes were within 1.0 D of emmetropia; mean change in SE was +4.8 D. When preoperative myopia was less than 6.0 D, six-month uncorrected acuity was 20/20 in 53% and 20/40 or better in 84% of eyes; 63% were within 1.0 D of emmetropia. Visual, refractive, and keratometric findings appeared stable at six months. Predictability appeared best when preoperative myopia was less than 6 D. Complications were few, none resulted in reduced best-corrected acuity, and most were transient and/or well tolerated. In this series, radial keratotomy appeared safe short-term. Ongoing evaluation is being conducted to determine long-term safety and efficacy.
对101例患者的156只眼睛进行了放射状角膜切开术的前瞻性评估。术前，平均球镜等效度（SE）为-5.0屈光度，96%的眼睛未矫正远视力为20/200或更差。所有眼睛在术后6个月进行检查。术后6个月时，总体远视力为20/20的眼睛占43%，20/40或更好的眼睛占73%；51%的眼睛屈光不正度数在正视眼1.0 D范围内；SE的平均变化为+4.8 D。当术前近视度数小于6.0 D时，6个月时未矫正视力为20/20的眼睛占53%，20/40或更好的眼睛占84%；63%的眼睛屈光不正度数在正视眼1.0 D范围内。视力、屈光和角膜曲率测量结果在6个月时似乎稳定。当术前近视度数小于6 D时，可预测性似乎最佳。并发症较少，无一导致最佳矫正视力下降，且大多数为短暂性和/或耐受性良好。在本系列研究中，放射状角膜切开术短期看来是安全的。正在进行持续评估以确定其长期安全性和有效性。
