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BRIEF COMMUNICATION
Year : 2014  |  Volume : 62  |  Issue : 3  |  Page : 367-370

Collagen cross-linking in the treatment of pellucid marginal degeneration


1 Orbident Refractive Surgery and Medical Center, University of Debrecen, Debrecen, Hungary
2 Department of Ophthalmology, Medical and Health Science Center, University of Debrecen, Debrecen, Hungary

Correspondence Address:
Ziad Hassan
Orbident Refractive Surgery and Medical Center, Debrecen, Hungary, Nagyerdei blvd. 98, H-4012 Debrecen
Hungary
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0301-4738.109523

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Pellucid marginal degeneration (PMD) is an uncommon cause of inferior peripheral corneal thinning disorder, characterized by irregular astigmatism. We analyzed a case of bilateral PMD patient and treated one eye with corneal collagen cross-linking (CXL) therapy. Corneal topography was characteristic for PMD. Visual acuity, slitlamp examinations, tonometry, and corneal thickness were observed. Simulated keratometric and topographic index values were detected with corneal topography. Uncorrected, LogMAR visual acuity has improved from +0.8 to +0.55 during the 6 months and +0.3 during the 8 months follow-up after CXL. Pachymetry values and intraocular pressure showed no changes. Keratometric values and topografic indexes disclosed no progression of the disease. CXL may postpone or eliminate the need of corneal transplantation in cases with PMD.


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