Inter-changeability Between Anterior Segment Optical Coherence Tomography and Scheimpflug Imaging in the Evaluation of Corneal Opacity

Mounir, Amr; Abdellah, Marwa Mahmoud; Zidan, Omar Fawzy; Mostafa, Engy Mohamed

Inter-changeability Between Anterior Segment Optical Coherence Tomography and Scheimpflug Imaging in the Evaluation of Corneal Opacity

Amr Mounir^{1, *}, Marwa Mahmoud Abdellah¹, Omar Fawzy Zidan², Engy Mohamed Mostafa¹

¹ Department of Ophthalmology, Faculty of Medicine, Sohag University, Sohag, Egypt

² Sohag Ophthalmology Hospital, Sohag, Egypt

Article Information

Identifiers and Pagination:

Year: 2022
Volume: 16
E-location ID: e187436412207051
Publisher ID: e187436412207051
DOI: 10.2174/18743641-v16-e2207051

Article History:

Received Date: 28/2/2022
Revision Received Date: 15/4/2022
Acceptance Date: 5/5/2022
Electronic publication date: 23/08/2022
Collection year: 2022

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© 2022 Mounir et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

^* Address correspondence to this author at the Department of Sohag, Faculty of Medicine Ophthalmology, Almohafza Street, Sohag City, Mailbox: 82511 Egypt; Tel: 00201005026170; E-mail: dramrmonir@yahoo.com

Purpose

To compare the results of corneal evaluation, either the total corneal thickness and corneal opacity depth by both technologies AS- OCT and Scheimpflug imaging by Sirius Scheimpflug placido topography.

Methods

sixty-eight eyes of sixty- eight consecutive patients with corneal opacities were examined by both AS-OCT and Sirius Scheimpflug imaging. Corneal thickness and corneal opacity depth were measured and compared determining the interchangeability using Bland–Altman plotting.

Results

Total corneal thickness was (470.32±62.10) and (463.47±56.47) by AS. OCT and Sirius Scheimpflug imaging, respectively (P value = 0.8).

While the actual measurement of corneal opacity, corneal opacity depth was (135.39±119) and (85.45±128) by AS-OCT and Siris Scheimpflug imaging respectively with P value (0.004).

Conclusion

AS-OCT and Scheimpflug imaging Sirius may be used interchangeably for measuring both total corneal thickness, while in the determination of corneal opacity depth. the AS-OCT is superior to Scheimpflug imaging in the accuracy of determination of actual boundaries of the corneal opacity.

Keywords: Scheimpflug tomography, Anterior segment optical, Coherence tomography, Corneal opacity, Corneal imaging, Cornea.

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RESEARCH ARTICLE

Inter-changeability Between Anterior Segment Optical Coherence Tomography and Scheimpflug Imaging in the Evaluation of Corneal Opacity

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