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首页> 外文期刊>British journal of ophthalmology >Two-year observation of posterior corneal elevations after small incision lenticule extraction (SMILE) for myopia higher than-10 dioptres
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Two-year observation of posterior corneal elevations after small incision lenticule extraction (SMILE) for myopia higher than-10 dioptres

机译:在小切口细胞萃取(微笑)后近视高于-10屈光度的两年后观察

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摘要

Aim To investigate the change in posterior corneal elevations (PCEs) of eyes with extremely high myopia 2 years after small incision lenticule extraction (SMILE). Methods We evaluated 39 eyes of 39 patients with spherical equivalent higher than -10.00 dioptres (D). Using a Scheimpflug camera (Pentacam), we measured change in PCEs at 1 day, 3 months, 6 months and 2 years after SMILE. Another 34 eyes of 34 patients who underwent femtosecond laser-assisted in situ keratomileusis (FS-LASIK) were examined before, at 1 day and long-term after surgery as the control group. For each eye, elevations at central, thinnest, maximal points and 24 other predetermined points were measured. Results No significant forward displacements of PCEs were observed in both surgeries. The maximal but not significant forward displacement occurred around 3-6 months following SMILE, and all returned to original levels 6 months postoperatively except superior area. The peripheral area tended to displace backward, while the central area tended forwardly. In both procedures, elevations along horizontal meridians, inferior and temporal hemispheres were significantly higher than those along vertical meridians, superior and nasal hemispheres, respectively (p<0.05). Elevation on the 4 mm, 6 mm diameters at 1 day and on the 6 mm diameter and temporal hemisphere at long-term follow-up postoperatively were significantly higher in FS-LASIK than SMILE (p<0.05). Change in elevations on the 6 mm diameter circle correlated with residual bed thickness (p=0.047). Conclusions SMILE is a safe way to correct for myopia higher than -10 D, with PCEs remaining stable 2 years after surgery.
机译:目的在小切口仔细提取(微笑)后2年探讨眼睛眼睛的眼睛眼睛后眼睑升高(PCE)的变化。方法我们评估了39名39名患者的球形等同物高于-10.00屈光度(D)。使用Scheimpflug相机(Pentacam),我们在笑脸后1天,3个月,6个月和2年的PCE测量变化。另外34只眼睛患者接受过嗜激光激光辅助的患者(FS-LASIK)以前,在手术后1天和长期检查,作为对照组。对于每只眼睛,测量中央,最薄,最大点和24个其他预定点的升高。结果在两种手术中没有观察到斑块的显着前进位移。微笑后3-6个月的最大但没有显着的前进位移发生在3-6个月之后,除了优越的地区,术后6个月返回原始水平。周边区域向后移动,而中心区域向前倾向。在这两种程序中,沿水平经络,劣质和时间半球的升高显着高于垂直经络,优异的和鼻部半球(P <0.05)。在1天的4毫米,6毫米直径6毫米直径和6毫米直径和时间半球的高度比微笑在FS-Lasik的长期随访中显着高出(P <0.05)。 6毫米直径圆的升高的变化与残留床厚度相关(P = 0.047)。结论微笑是一种纠正高于-10 D的近视的安全方法,手术后2年剩余稳定。

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