Refractive and Visual Outcomes after New Model of Intracorneal stromal ring Implantation for Keratoconus Correction
سال انتشار: 1397
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 479
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شناسه ملی سند علمی:
ACSOMED28_120
تاریخ نمایه سازی: 1 دی 1397
چکیده مقاله:
Purpose: To evaluate the refractive and visual outcomes after new intracorneal ring (Keratacx 355°) implantation in patients with keratoconus. Methods: This study included 14 eyes with keratoconus who underwent intracorneal ring implantation surgery. The preoperative and 3-month postoperative of uncorrected (UDVA) and corrected (CDVA) distance visual acuity, corneal sphere and astigmatism and keratometry readings (using Oculus Pentacam HR) were measured. Results: Preoperative and postoperative UDVA, sphere, astigmatism, minimum (Kmin) and maximum keratometry (Kmax) were 0.98±0.27 and 0.54±0.26 LogMAR, -2.81±3.03 and -0.08±2.18 D, -4.35±3.08 and -3.23±1.77 D, 46.86±3.74 and 43.17±3.51 D, 51.41±3.72 and 46.31±3.85 D, respectively. There were statistically differences between preoperative and postoperative of these parameters (UDVA (P=0.001), sphere (P=0.043), astigmatism (P=0.023), Kmin (P=0.002) and Kmax (p=0.001)). CDVA had no any statistically difference Conclusion: It seems that this intracorneal stromal ring can be effective for keratoconus correction. Further studies with larger sample size are needed to confirm these results.
نویسندگان
Farhad Nejat
Vision Health research Center, Semnan university of medical sciences, Semnan , Iran
Khosrow Jadidi
Vision Health research Center, Semnan university of medical sciences, Semnan , Iran
Neda Mohamadi
Vision Health research Center, Semnan university of medical sciences, Semnan , Iran
Shiva Pirhadi
Vision Health research Center, Semnan university of medical sciences, Semnan , Iran