Clinical outcomes after intrastromal corneal ring segments reoperation in keratoconus patients
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    Abstract:

    AIM:To evaluate the clinical outcomes after Ferrara intrastromal corneal ring segments (ICRS) reoperation in patients with keratoconus.RESULTS: The mean follow-up time after the reoperation was 30.5±9.7 months. The mean UCVA improved from 20/300 to 20/80 (P=0.005); the mean BCVA improved from 20/160 to 20/50 (P=0.0002), the mean keratometry reduced from 49.33±4.19D to 46.16±3.90D (P=0.0001), the mean pachymetry at the thinnest point increased from 450±42.9mm to 469±40.8mm (P=0.0001). The asphericity increased from -0.84±0.74 to -0.35±0.81 (P=0.15) and the spherical equivalent reduced from -4.64±4.87D to -3.04±3.45D (P=0.137). The changes in the asphericity and spherical equivalent were not statistically significant.CONCLUSION: Ferrara ICRS implantation showed to be a reversible and readjustable surgical procedure for keratoconus treatment. Good outcomes can be obtained even after removal, addition, reposition or exchange of ICRS.

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Leonardo Torquetti, Guilherme Ferrara, Franklin Almeida, et al. Clinical outcomes after intrastromal corneal ring segments reoperation in keratoconus patients. Int J Ophthalmol, 2013,6(6):796-800

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Publication History
  • Received:July 13,2013
  • Revised:August 16,2013
  • Adopted:August 16,2013
  • Online: December 22,2013
  • Published: