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Updated: Feb 12, 2026
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Recording Horizontal Saccade Performances Accurately in Neurological Patients Using Electro-oculogram
Published on: March 13, 2018
11.1K
Recording Horizontal Saccade Performances Accurately in Neurological Patients Using Electro-oculogram
Yasuo Terao1, Hideki Fukuda2, Yusuke Sugiyama3
1Department of Cell Physiology, Kyorin University; yterao-tky@umin.ac.jp.
Journal of Visualized Experiments : Jove
|April 3, 2018
Summary
Electro-oculography (EOG) offers a stable and accurate method for recording horizontal saccades in neurological patients, comparable to video-oculography. This technique is particularly advantageous for individuals with specific eye conditions or movement disorders.
Area of Science:
- Ophthalmology
- Neuroscience
- Biomedical Engineering
Background:
- Electro-oculography (EOG) was historically used for eye movement recording, but video-oculography (VOG) is now more common due to superior spatial accuracy.
- VOG has limitations, making EOG a potentially better choice for patients with narrow eye clefts, cataracts, or movement disorders.
Purpose of the Study:
- To demonstrate a practical and accurate method for recording horizontal saccades using EOG in neurological patients.
- To highlight EOG's advantages over VOG in specific clinical scenarios.
Main Methods:
- Utilized Ag-AgCl electrodes with wide plastic fringes to minimize noise.
- Ensured sufficient light adaptation for reduced skin-electrode impedance and signal stability.
- Implemented periodic re-calibration during tasks to prevent signal drift and artifacts.
Main Results:
- Achieved high accuracy and stability in EOG recordings, comparable to VOG.
- Successfully minimized signal drift, electromyogram, and electroencephalogram artifacts.
- Collected sufficient data for clinical evaluation of saccades in neurological patients.
Conclusions:
- Properly implemented EOG provides a highly practical and stable method for recording horizontal saccades.
- EOG remains a valuable tool for neurological patients and can also be effective for studies in normal subjects.
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