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Article

Anterior Ocular Biometrics as Measured by Ultrasound Biomicroscopy

1
School of Medicine, The University of Jordan, Amman 11941, Jordan
2
Department of Surgery (Ophthalmology), King Hussein Cancer Centre, Amman 11941, Jordan
3
Chair and Department of General and Pediatric Ophthalmology, Medical University of Lublin, 20-079 Lublin, Poland
4
Eye Clinic, Public Health Department, University of Naples Federico II, 80131 Naples, Italy
*
Authors to whom correspondence should be addressed.
Academic Editors: Carlos Romero-Morales, Blanca de la Cruz-Torres, Fermín Valera Garrido, César Calvo-Lobo and Daniel López-López
Healthcare 2022, 10(7), 1188; https://doi.org/10.3390/healthcare10071188
Received: 3 May 2022 / Revised: 24 May 2022 / Accepted: 30 May 2022 / Published: 24 June 2022
(This article belongs to the Special Issue Ultrasound Imaging Advances and Research in Healthcare)
Background: High frequency ultrasonography (ultrasound biomicroscopy; UBM) is an ophthalmic diagnostic tool that can be used to measure the depth of the anterior segment (ASD), the anterior chamber angle (ACA), as well as thicknesses of the iris and the ciliary body (CB). Methods: The anterior segment dimensions and thicknesses were measured by Sonomed 35-MHz. Results: Measurements for 95 eyes from 52 adults were analyzed. The mean and median ASD and ACA were 2.91, 2.92 ± 0.41 mm and 34.1, 34.3 ± 12.1 degrees, respectively. The angle superiorly was wider than inferiorly (p = 0.04). At the root of the iris, the mid of the iris, and the juxtapupillary edge of the iris, the iris thicknesses (median, mean) were 0.40, 0.41 ± 0.1, 0.50, 0.51 ± 0.1, and 0.70, 0.71 ± 0.1 mm, respectively. The thicknesses of CB and CB together with the ciliary processes (median, mean), were 0.70, 0.71 ± 0.15 mm and 1.36, 1.41 ± 0.15 mm, respectively. The upper quadrant of both the iris and the CB was significantly thicker than the lower quadrant (p = 0.04). Conclusions: Our biometric measurements for the anterior segment can be used as normative data for anterior segment depth and angle and iris and ciliary body thickness in normal eyes. View Full-Text
Keywords: anterior segment; ultrasound biomicroscopy; iris; ciliary body anterior segment; ultrasound biomicroscopy; iris; ciliary body
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MDPI and ACS Style

Elfalah, M.; Mohammad, M.; Toro, M.D.; Abu-Yaghi, N.; Rejdak, R.; Yousef, Y.A. Anterior Ocular Biometrics as Measured by Ultrasound Biomicroscopy. Healthcare 2022, 10, 1188. https://doi.org/10.3390/healthcare10071188

AMA Style

Elfalah M, Mohammad M, Toro MD, Abu-Yaghi N, Rejdak R, Yousef YA. Anterior Ocular Biometrics as Measured by Ultrasound Biomicroscopy. Healthcare. 2022; 10(7):1188. https://doi.org/10.3390/healthcare10071188

Chicago/Turabian Style

Elfalah, Mutasem, Mona Mohammad, Mario Damiano Toro, Nakhleh Abu-Yaghi, Robert Rejdak, and Yacoub A. Yousef. 2022. "Anterior Ocular Biometrics as Measured by Ultrasound Biomicroscopy" Healthcare 10, no. 7: 1188. https://doi.org/10.3390/healthcare10071188

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