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Comparison of bucket test and mobile application in pediatric utricular function assessment: a cross-sectional study
Muhammed Pınar1, Ayşenur Aykul Yağcıoğlu2, Işılay Öz3
1Department of Audiology, Institute of Health Sciences of Başkent University, Ankara, Turkey.
Insights
The Visual Vertical iOS app provides a practical alternative to the traditional bucket method for assessing subjective visual vertical (SVV) in children. This mobile application demonstrated comparable effectiveness to the bucket test in measuring SVV deviation angles.
Area of Science:
- Vestibular system research
- Ophthalmology
- Pediatric audiology
Background:
- The subjective visual vertical (SVV) test assesses otolith function.
- Traditional SVV assessment methods, like the bucket method, can be cumbersome.
- Mobile applications offer potential for more practical clinical assessments.
Purpose of the Study:
- To evaluate the effectiveness of the Visual Vertical iOS application for measuring SVV in children.
- To compare the results obtained from the iOS application with a standardized bucket test.
Main Methods:
- 44 children aged 11-14 years participated.
- SVV was assessed using both a bucket test and the Visual Vertical iOS application.
- Participants completed five trials in clockwise and counter-clockwise rotations.
Main Results:
- SVV deviation angles were similar between the bucket test (0.92° clockwise, 0.96° counter-clockwise) and the iOS application (0.97° clockwise, 1.03° counter-clockwise).
- No statistically significant differences were found between the two assessment methods (p > 0.05).
Conclusions:
- The Visual Vertical iOS application is a practical and accessible tool for SVV assessment in children.
- The mobile application provides results comparable to the traditional bucket method.
- This technology can aid in evaluating pediatric vestibular function.
Background:
The Visual Vertical, an iOS mobile application, enables a more practical implementation of the subjective visual vertical (SVV) test compared to the bucket method.
Objectives:
To determine the effectiveness of the iOS mobile application on SVV in children.
Materials And Methods:
A bucket test specifically designed for SVV assessment was administered to 44 children aged 11 to 14 years. The bucket was rotated 45° from the neutral (0°) head position in both clockwise and counter-clockwise rotations. Participants were instructed to indicate the moment they perceived the line inside the bucket as vertically aligned after 10 s. Angular deviations were recorded using both a protractor and an iOS application. Each participant underwent five trials in each rotational direction, and the mean was calculated to determine the SVV deviation angle.
Results:
SVV deviation angle was determined as 0.92° in clockwise rotation and 0.96° in counter-clockwise rotation in the bucket test; and as 0.97° and 1.03° in the iOS application, respectively. No statistically significant difference was observed between SVV deviation angles in both applications (p > 0.05).
Conclusions And Significance:
Visual Vertical, an iOS mobile application, offers a practical and accessible alternative to the bucket method for assessing utricular function in children.
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