Automated alternate cover test for 'HINTS' assessment: a validation study.
Alternate cover test
Skew deviation
Test of skew
Validation
Video-oculography
Journal
European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery
ISSN: 1434-4726
Titre abrégé: Eur Arch Otorhinolaryngol
Pays: Germany
ID NLM: 9002937
Informations de publication
Date de publication:
Jun 2022
Jun 2022
Historique:
received:
30
04
2021
accepted:
06
07
2021
pubmed:
25
7
2021
medline:
10
5
2022
entrez:
24
7
2021
Statut:
ppublish
Résumé
The alternate cover test (ACT) in patients with acute vestibular syndrome is part of the 'HINTS' battery test. Although quantitative, the ACT is highly dependent on the examiner's experience and could theoretically vary greatly between examiners. In this study, we sought to validate an automated video-oculography (VOG) system based on eye tracking and dedicated glasses. We artificially induced a vertical strabismus to simulate a skew deviation on ten healthy subjects, aged from 26 to 66, using different press-on Fresnel prisms on one eye while recording eye position with VOG of the contralateral eye. We then compared the system's performance to that of a blinded trained orthoptist using conventional, semi-quantitative method of skew measurement known as the alternate prism cover test (APCT) as a gold standard. We found a significant correlation between the reference APCT and the Skew VOG (Pearson's R VOG offers an objective and quantitative skew measurement and proved to be accurate in measuring vertical eye misalignment compared to the ACT with prisms. Precision was moderate, which mandates a sufficient number of tests per subject.
Identifiants
pubmed: 34302212
doi: 10.1007/s00405-021-06998-w
pii: 10.1007/s00405-021-06998-w
pmc: PMC9072275
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
2873-2879Subventions
Organisme : Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
ID : #320030_173081
Informations de copyright
© 2021. The Author(s).
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