Early outcomes after small incision lenticule extraction and photorefractive keratectomy for correction of high myopia
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摘要We prospectively compared visual and refractive outcomes in patients with high myopia and myopic astigmatism after small-incision lenticule extraction (SMILE) and photorefractive keratetctomy (PRK) with mitomycin C. Sixty-six eyes of 33 patients (mean age, 29.7 +/- 5.6 years) were included (SMILE: 34 eyes, PRK 32 eyes). Preoperatively, no significant difference was noted in manifest spherical equivalent (p = 0.326), manifest sphere (p = 0.277), and manifest cylinder (p = 0.625) between both groups. At 1 month, there were significant differences in logMAR uncorrected distance visual acuity, efficacy index and manifest refraction spherical equivalent between SMILE and PRK (p <= 0.029). At 6 months, the logMAR corrected distance visual acuity (p = 0.594), logMAR uncorrected visual acuity (p = 0.452), efficacy index (p = 0.215) and safety index was (p = 0.537) was comparable between SMILE and PRK. Significant differences were observed in postoperative manifest spherical equivalent (p = 0.044) and manifest cylinder (p = 0.014) between both groups. At the end of 6 months, 100% of the eyes in SMILE group and 69% of the eyes in PRK group were within +/- 0.50 D of the attempted cylindrical correction. The postoperative difference vector, magnitude of error and absolute angle of error were significantly smaller after SMILE compared to PRK (p <= 0.040) implying a trend towards overcorrection of cylindrical correction following PRK.
著者Chan TCY, Yu MCY, Ng A, Wang Z, Cheng GPM, Jhanji V
期刊名稱Scientific Reports
出版年份2016
月份9
日期7
卷號6
出版社Nature Publishing Group
頁次32820
國際標準期刊號2045-2322
電子國際標準期刊號2045-2322
語言英式英語
關鍵詞Corneal diseases, Refractive errors
Web of Science 學科類別Multidisciplinary Sciences;Science & Technology - Other Topics

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