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Color vision deficiency among biomedical students: a cross-sectional study

Authors Dohvoma VA, Ebana Mvogo SR, Kagmeni G, Emini NR, Epee E, Ebana Mvogo C

Received 17 December 2017

Accepted for publication 7 April 2018

Published 19 June 2018 Volume 2018:12 Pages 1121—1124

DOI https://doi.org/10.2147/OPTH.S160110

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Justinn Cochran

Peer reviewer comments 3

Editor who approved publication: Dr Scott Fraser


Viola Andin Dohvoma, Stève Robert Ebana Mvogo, Giles Kagmeni, Nathalie Rosine Emini, Emilienne Epee, Côme Ebana Mvogo

Department of Ophthalmology and ENT, Faculty of Medicine and Biomedical Sciences, University of Yaoundé I, Yaoundé, Cameroon

Purpose: To determine the prevalence of color vision deficiency (CVD) among first-cycle students of the Faculty of Medicine and Biomedical Sciences of the University of Yaoundé I.
Patients and methods: A cross-sectional descriptive study was carried out between October 1, 2015 and May 31, 2016. Distant visual acuity was measured and color vision test done for all consenting students. Ishihara’s plates were used to test all the participants. Those who failed the test were tested with the Roth’s 28 Hue test for confirmation of CVD and classification.
Results: A total of 303 students were included, among whom 155 were males (50.8%) and 148 were females (49.2%). The mean age was 20.2±2 years. Five students (1.6%) failed the Ishihara’s plate testing. Roth’s 28 Hue test confirmed CVD in 4 of those cases, giving a prevalence of 1.3%. There were equal numbers of protan and deutan CVD.
Conclusion: Despite its low prevalence among first-cycle students of the Faculty of Medicine and Biomedical Sciences, CVD screening should be performed in order to raise awareness, which will go a long way to help orientate the choice of future specialty.

Keywords: color vision deficiency, deutan, protan, biomedical students

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