International Journal of Keratoconus and Ectatic Corneal Diseases

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VOLUME 7 , ISSUE 1 ( 2018 ) > List of Articles

ORIGINAL AND RESEARCH ARTICLE

Femtosecond Laser-assisted Intrastromal MyoRing Implantation in Eyes with Keratoconus and High Myopia

Maksim V Sinitsyn, Nadezhda A Pozdeyeva, Nikolay P Pashtayev

Keywords : Femtosecond laser, High myopia, MyoRing.

Citation Information : Sinitsyn MV, Pozdeyeva NA, Pashtayev NP. Femtosecond Laser-assisted Intrastromal MyoRing Implantation in Eyes with Keratoconus and High Myopia. Int J Kerat Ect Cor Dis 2018; 7 (1):6-11.

DOI: 10.5005/jp-journals-10025-1153

License: CC BY-SA 3.0

Published Online: 01-06-2010

Copyright Statement:  Copyright © 2018; The Author(s).


Abstract

Aim: To analyze the clinical and functional outcomes of correction of high myopia in eyes with the first stage of keratoconus using femtosecond laser-assisted intrastromal MyoRing implantation. Materials and methods: Thirty eyes (15 patients) with the first stage of keratoconus and high myopia underwent femtosecond laser-assisted intrastromal MyoRing implantation. Mean corneal thickness was 468 ± 12.4 μm. MyoRings were inserted in the intrastromal pockets with diameter 9.0 mm at the depth of 300 μm using femtosecond laser IntraLase FS 60 kHz. Results: Mean uncorrected visual acuity (UCVA) value increased from 1.2 ± 0.03 to 0.3 ± 0.1 logMAR 6 months after operation, mean best corrected visual acuity (BCVA) value increased from 0.24 ± 0.09 to 0.18 ± 0.03 logMAR. Then UCVA and BCVA values remained practically unaltered during the whole follow-up period. Conclusion: The MyoRing implantation stabilizes the keratoconus by enhancing the biomechanical properties of the cornea and simultaneously improves visual acuity due to correction of high myopia.

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  1. Daxer A. Adjustable intracorneal ring in a corneal pocket for keratoconus. J Refract Surg 2010 Mar;26(3):217-221.
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  7. Sinitsyn MV, Pozdeyeva NA, Pashtayev NP. Comparative analysis of the intrastromal MyoRing implantation performed with the femtosecond laser. Int J Kerat Ect Cor Dis 2017 Jul-Dec;6(2):49-57.
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