ArticleJournal of vision2025
Sex differences in fixational eye movements following concussion.
Article in Journal of vision, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed.
Corrections and comments
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Authors and funding
8 authors.
Funding
Abstract
Recent research supports impairments in fixational eye movements (FEMs), small motions of the eye that occur during periods when gaze is maintained on a fixed target, as an objective biomarker of concussion. Preliminary work has demonstrated that fixational saccades are larger following a concussion; however, sex differences in FEMs and fixational saccades have not been examined. In this study, we used retinal image-based eye tracking, with a tracking scanning laser ophthalmoscope (TSLO), to record FEMs while adolescents with concussion (n = 44; age range, 13-27 years) and age- and sex-matched healthy controls (n = 44; age range, 13-27 years) fixated the center or corner of the TSLO imaging raster. To improve reliability and overcome errors associated with the manual labeling of FEMs, an objective velocity-based algorithm was used to detect fixational saccades. Concussion patients made larger fixational saccades than controls but only on the center task. Females made larger fixational saccades than males on this task irrespective of injury group, whereas no significant difference was supported for the corner task. Females also made fewer horizontal and more oblique fixational saccades than males on the corner task. These findings highlight the importance of controlling for task- and sex-specific differences when evaluating FEMs as a biomarker for concussion.
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