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영아 눈떨림 환자에서 눈떨림파형분석을 통한 중심와 시간의 측정과 시력과의 관계

Other Titles
 Relationship Between Visual Acuity and Foveation Window in Infantile Nystagmus by Analyzing Nystagmus Waveforms 
Authors
 장지호  ;  이종복  ;  김수찬  ;  한승한 
Citation
 JOURNAL OF THE KOREAN OPHTHALMOLOGICAL SOCIETY, Vol.51(6) : 875-880, 2010 
Journal Title
JOURNAL OF THE KOREAN OPHTHALMOLOGICAL SOCIETY(대한안과학회지)
ISSN
 0378-6471 
Issue Date
2010
Keywords
Foveation time ; Infantile nystagmus ; Nystagmus Acuity Estimator Function
Abstract
PURPOSE: To report herein on Nystagmus Acuity Estimator Function (NAEF) based on the foveation time, obtained by analyzing waveforms of infantile nystagmus patients and comparing the results with the patients' actual visual acuity. METHODS: Electro-oculographic data of 27 patients with infantile nystagmus were reviewed. Data of patients only with jerk type nystagmus and reliable visual acuity were analyzed. The foveation time was measured, and NAEF was calculated and compared with the patients' actual best corrected visual acuity. RESULTS: A correlation analysis of the patients' best corrected visual acuity with NAEF was performed, and the retrieved coefficient was 0.4266. The p-value calculated using the Pearson correlation coefficient was 0.0282, implying that high NAEF correlates positively with visual acuity. CONCLUSIONS: Estimated visual acuity, calculated based on the waveforms, positively correlates with the patients' actual visual acuity with statistical significance. However, since the foveation time can be measured only in the patients with jerk-type nystagmus waveforms, further study should be performed on the measurement of the foveation time with other waveforms. Furthermore, the present study shows that such analysis is possible with electrooculogram settings in most general hospitals.
Files in This Item:
T201006060.pdf Download
DOI
10.3341/jkos.2010.51.6.875
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Ophthalmology (안과학교실) > 1. Journal Papers
Yonsei Authors
Lee, Jong Bok(이종복)
Han, Seung Han(한승한) ORCID logo https://orcid.org/0000-0001-8972-4790
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/103290
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