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Corneal Cross-Linking for Keratoconus: Evaluation of the Retina and Choroid Publisher Pubmed



Nasrollahi K1 ; Razmjoo F1 ; Naderan M2 ; Peyman A1
Authors
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Authors Affiliations
  1. 1. Isfahan Eye Research Center, Department of Ophthalmology, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran

Source: European Journal of Ophthalmology Published:2022


Abstract

Purpose: To investigate the possible structural changes of the central choroid and retina after collagen cross-linking (CXL) in patients with progressive keratoconus (KCN). Methods: Twenty-five eyes of 25 patients were included in this study. Patients underwent enhanced depth imaging optical coherence tomography (EDI-OCT) before and 1 month after CXL. The values for central macular thickness (CMT), subfoveal choroidal thickness (CHT), and choroidal volume (CHV) were evaluated. Results: CMT before and after CXL was 263.24 ± 16.25 μm and 263.20 ± 16.51 μm, respectively (p = 0.98). CHT was 362.08 ± 36.80 μm and 367.84 ± 33.67 μm before and after CXL, respectively (p = 0.26). CHV was 8.74 ± 0.33 mm3 and 8.68 ± 0.36 mm3 before and after CXL, respectively (p = 0.11). There was no significant difference in the corrected distance visual acuity before and after CXL (0.06 ± 0.05 and 0.05 ± 0.05 logMAR, respectively, p = 0.65). Conclusion: Central retinal and choroidal thicknesses are not changed after corneal cross- linking. © The Author(s) 2021.
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