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Výsledky implantace plného rohovkového kroužku (MyoRing) v léčbě keratokonu
[Clinical Results after Continuous Corneal ring (MyoRing) Implantation in Keratoconus Patients]

. 2015 Apr ; 71 (2) : 87-91.

Language Czech Country Czech Republic Media print

Document type Journal Article

Links

PubMed 25962421
PII: 52078

PURPOSE: to present one and two years clinical results after intrastromal continuous corneal ring implantation in keratoconus patients. METHODS: Retrospective evaluation of the results of patients with keratoconus, after MyoRing implantation for improving of visual functions. The uncorrected distance visual acuity (UDVA), best corrected distance visual acuity (CDVA), the residual subjective refractive error, pachymetry, keratometry and the size of corneal astigmatismus were evaluated. Peroperative and postoperative complications were investigated. The minimal follow-up time was 12 months. RESULTS: The study included 32 eyes of 30 patients with mean age of 30.08 (± 11.56) years. UDVA improved from 1.03 (± 0.41) logMAR to 0.36 (± 0.25) logMAR 12 months and 0.31 (± 0.27) logMAR 24 months after surgery. These changes were stastistically significant. The maxima value of corneal curvature (Kmax) was preoperatively 52.48 (± 6.35) D, 46.08 (± 4.44) D 12 months and 45.53 (± 5.52) D 24 months after surgery. Both changes were statistically significant (P ˂ 0,00000). The mean value of corneal curvature (K mean) was preoperatively 50.10 (± 4.96) D, 44.25 (± 4.40) D 12 months and 44.11 (± 5.38) D 24 months after surgery. Both changes were statistically significant. In any of the patients we did not register any severe peroperative or postoperative complication. CONCLUSION: The MyoRing implantation is an effective and safe method in improvement of visual functions in keratoconus patients. Clinical results are stable in one and two years follow-up time.

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