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Refractive meridonal corneal collagen cross-linking (RMCXL): A new modified technique for treatment of astigmatism

Poster Details

First Author: M.Saleem EGYPT

Co Author(s):                  

Abstract Details

Purpose:

To evaluate the efficacy and safety of using corneal collagen cross-linking as a refractive procedure to correct the corneal astigmatism.

Setting:

Sohag University Hospital, Egypt.

Methods:

Methods: Fifteen eyes of 11 patients complaining of astigmatism were treated with refractive meridonal cross-linking (RMCXL). Group (A) included 8 eyes which had previous cross-linking and intra-corneal rings that failed to correct the astigmatic component of keratoconus. Group (B) included 7 eyes with astigmatism without corneal ectasia. All eyes were subjected to preoperative and postoperative uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), manifest refraction, slit lamp examination of anterior segment, keratometry and pachymetry assessed by corneal topographies at 1week, 1, 3 and 6 months follow up period. Results: In Group (A), the preoperative mean UDVA was 0.90±0.33 (logMAR±SD) while the postoperative mean UDVA was 0.78±0.27. The preoperative mean CDVA was 0.60±0.38 while the postoperative mean CDVA was 0.48±0.26. The mean postoperative astigmatic correction was 1.8 D ± 0.36. In Group (B), the preoperative mean UDVA was 0.78±0.53 while the postoperative mean UDVA was 0.52±0.23. The preoperative mean CDVA was 0.52±0.26 while the postoperative mean CDVA was 0.30±0.15. The mean postoperative astigmatic correction was 0.90 D ± 0.29.

Results:

RMCXL showed a good refractive correction for astigmatism in both ectatic and non-ectatic corneas. RMCXL proved to be a promising new simple, effective and safe procedure to treat corneal astigmatism with reasonable patient satisfaction.

Conclusions:

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Financial Disclosure:

NONE

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