Development of the eyeglasses-based electrooculogram (EOG) for the objective measurement of the visual acuity View Full Text


Ontology type: schema:Chapter     


Chapter Info

DATE

2009

AUTHORS

Hyuk-June Moon , Hyoun-Joong Kong , In Bum Lee , Sung Hoon Kwon , Hee Chan Kim , Jeong Min Hwang , Jong-Mo Seo

ABSTRACT

The objective measurement of the visual acuity is one of the most important issues in ophthalmology clinics, and the optokinetic nystagmus (OKN) can be a good candidate for this purpose. In this paper, an eyeglasses-based electrooculogram (EOG) for the detection of the OKN is introduced. It is convenient to use and allows the refractive error correction for the visual acuity measurement. To evoke the OKN, moving strips with various spatial frequencies are generated on the monitor in front of the patients’ view. The OKN is observed by the wearable EOG eyeglasses. Both the EOG signal acquisition circuit and chrome electrodes were integrated with the eyeglasses. The EOG signal is processed through an acquisition circuit to personal computer for the further analysis and the real-time display of the EOG signal according to the visual stimuli. The proposed system can monitor OKN well, while making patients more comfortable by removing bulky and burdensome devices. Also it can adopt the lenses for the refractive error correction. Those advantages make visual acuity test more objective and accurate. More... »

PAGES

271-274

Book

TITLE

World Congress on Medical Physics and Biomedical Engineering, September 7 - 12, 2009, Munich, Germany

ISBN

978-3-642-03890-7
978-3-642-03891-4

Author Affiliations

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/978-3-642-03891-4_72

DOI

http://dx.doi.org/10.1007/978-3-642-03891-4_72

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1037215342


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