Myoring implantation with and without cross-linking: Comparative study of pre and postoperative visual outcomes and pentacam indices

ObjectivesComparing the visual, topographic, and aberrometric changes following Myoring implantation alone or combined with corneal cross-linking (CXL).MethodsThis retrospective, comparative study was conducted on keratoconus (KC) patients with moderate, central KC who sought medical advice at Watan...

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Published in:European journal of ophthalmology Vol. 35; no. 3; p. 910
Main Authors: Morkos, Fathy Fawzy, Fawzy, Nader Fathy, El Bahrawy, Mohamed, Talaat, Omnia, Elkitkat, Rania Serag
Format: Journal Article
Language:English
Published: United States 01.05.2025
Subjects:
Aberrometry
Adolescent
Adult
Collagen - metabolism
Corneal Stroma - metabolism
Corneal Topography
Cross-Linking Reagents - therapeutic use
Female
Follow-Up Studies
Humans
Keratoconus - drug therapy
Keratoconus - metabolism
Keratoconus - physiopathology
Keratoconus - surgery
Keratoconus - therapy
Male
Photochemotherapy - methods
Photosensitizing Agents - therapeutic use
Postoperative Period
Prostheses and Implants
Prosthesis Implantation
Refraction, Ocular - physiology
Retrospective Studies
Riboflavin - therapeutic use
Treatment Outcome
Ultraviolet Rays
Visual Acuity - physiology
Young Adult
cross-linking versus Myoring
Myoring implantation
Keratoconus
Pentacam indices in keratoconus
ISSN:1724-6016, 1724-6016
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Summary:ObjectivesComparing the visual, topographic, and aberrometric changes following Myoring implantation alone or combined with corneal cross-linking (CXL).MethodsThis retrospective, comparative study was conducted on keratoconus (KC) patients with moderate, central KC who sought medical advice at Watany Eye Hospital, Cairo, Egypt. Group 1 patients performed femtolaser-assisted Myoring implantation, while group 2 patients performed Myoring implantation with CXL.ResultsGroup 1 included 44 eyes, and group 2 comprised 40 eyes. The mean follow-up interval was 2.34 years ± 2.25. There was a significant postoperative improvement in subjective refraction for both groups. Patients of group 1 showed statistically significant reductions in postoperative topographic astigmatism, K readings, Index of Surface Variance, horizontal coma, and spherical aberrations. In contrast, patients of group 2 only showed statistically significant improvements in K readings and horizontal coma. Patients of group 1 developed higher improvements in topographic astigmatism and K max compared to group 2.ConclusionAlthough the combined technique was non-inferior to implanting the Myoring alone regarding visual, refractive, and keratometric improvements, Myoring implantation alone showed better results, mainly in topographic astigmatism. Hence, our study leans in favor of Myoring implantation without the need for additional CXL
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ISSN:1724-6016
1724-6016
DOI:10.1177/11206721241298032