Schimpflug versus Anterior Segment Optical Coherence Tomography after Epi-on Corneal Cross Linking in Keratoconus | ||||
| Benha Medical Journal | ||||
| Article 3, Volume 42, Issue 3, March 2025, Page 24-37 PDF (799.56 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/bmfj.2023.249188.1952 | ||||
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| Authors | ||||
Hoda Ramzy Mohammed  1; Hamdy Ahmed El-gazzar2; Taher Kamel Eleiwa3; Ahmed Sherin Mostafa Bayoumy4
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| 1M.B.B.CH | ||||
| 2ophthalmology department, faculty of medicine, benha university, benha, egypt | ||||
| 3Department of ophthalmology Faculty of Medicine - Banha University | ||||
| 4Assisstant professor of Ophthalmology Faculty of medicine - Benha University | ||||
| Abstract | ||||
| Background: The measurement of corneal thickness is a crucial factor in evaluating keratoconus and its potential treatment methods, such as collagen cross-linking (CXL). The aim of this study was to evaluate the inter-device reliability in the corneal pachymetry following epi-on CXL using anterior segment optical coherence tomography (AS-OCT) and Scheimpflug tomography. Methods: This was across-sectional observational study that involved patients diagnosed with keratoconus and had undergone epi-on cross linking. Patients were subjected to follow-up examinations and corneal imaging with Pentacam (Oculyzer) and AS-OCT (Optovue). The inter-device reliability was assessed using the intraclass correlation coefficient (ICC) and Cronbach’s alpha. Results: 72 of eyes (36 patients), aged (18-43) years with 27 (75%) males, 9(25%) females were included in the study. Regarding central corneal thickness (CCT) pentacam measurd a mean of 519.18µm, versus 507.83 µm using AS-OCT, P value < 0.001. Thinnest corneal thickness (TCT) measured 511.61µm with pentacam versus 491.61 µm using AS-OCT, P value | ||||
| Keywords | ||||
| Keratoconus; Pentacam; Optical Coherence Tomography | ||||
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