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HOME > J Korean Bal Soc > Volume 3(2); 2004 > Article
Review The Design of Subjective Visual Vertical and Horizontal Measurement Method in Normal Peoples
Gyu Cheol Han, Jong Su Ha, Sun Young Kim, Joo Hyoung Lee, Chang Hyun Cho, Dong Young Kim, Seon Tae Kim

DOI: https://doi.org/
Department of Otolaryngology-Head & neck surgery, Gachon Medical School, Korea. han@ghil.com
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Background
and Objectives : Subjective visual vertical and horizontal presented as test that evaluate otolithic organ. However, was not discussed about condition that is factor influencing in examination or position at examination. Therefore, we wished to evaluate effect of subjective visual vertical and horizontal in each test condition and find repletion item. Materials and Method : Measured subjective visual vertical and horizontal dividing by gender and three age group to 45 normal persons. Do so that there may be axis of rotation of 0.3×20 cm size candlepin on center of screen and lower part of screen to 18 inch LCD monitor at subjective visual vertical. Do so that may be center of screen and left middle at subjective visual horizontal and gave change length and axis of rotation of candlepin. Measured subjective visual vertical and horizontal each 3 times in standing, sitting, supine position in darkroom.
Results
: There are no statistical differences in each positions and distinction of gender and axis of rotation. But there are statistical differences in age groups.
Conclusion
: Difference in age groups means that examination method or control of number of test, preliminary education of patients, assistance need rather than is caused change or abnormality of otolithic organ. Therefore, is thought to be representative test that evaluate function of otolithic organ as clinical test.


Res Vestib Sci : Research in Vestibular Science