Mizunoya S, Kuniyoshi K, Arai M, Tahara K, Hirose T
Schepens Eye Research Institute, Department of Ophthalmology, Harvard Medical School and Schepens Retina Associates, Boston, Massachusetts, USA.
Acta Ophthalmol Scand. 2001 Oct;79(5):497-500. doi: 10.1034/j.1600-0420.2001.790514.x.
This study was performed to evaluate a new electroretinogram (ERG) contact lens electrode containing four light-emitting diodes (LEDs) that are used for both stimulus and background light.
The luminance of each LED could be changed independently and used as stimulus light. Red, blue, bright white, and flickering ERGs were recorded in 12 normal subjects and two patients with progressive cone dystrophy. The long-duration light stimuli separated the on- and off-responses of the ERG. This equipment is not according to the ISCEV standard.
The tri-color LED electrode contact lens can efficiently produce and record ERG responses. Off-responses were recordable separately from on-responses by lengthening the stimulus duration.
This combined stimulus-electrode system is compact and portable. Combined with the portable amplifier and the recorder, the ERGs can be recorded easily in an operating room, at patients' bedside, and in remote locations away from clinics and hospitals.
本研究旨在评估一种新型视网膜电图（ERG）隐形眼镜电极，其包含四个用于刺激和背景光的发光二极管（LED）。
每个LED的亮度可独立改变并用作刺激光。在12名正常受试者和两名进行性视锥细胞营养不良患者中记录了红色、蓝色、亮白色和闪烁的ERG。长时间的光刺激分离了ERG的开反应和关反应。该设备不符合国际临床视觉电生理学会（ISCEV）标准。
三色LED电极隐形眼镜能够有效地产生并记录ERG反应。通过延长刺激持续时间，关反应可与开反应分别记录。
这种组合式刺激电极系统紧凑且便于携带。与便携式放大器和记录仪相结合，ERG可轻松在手术室、患者床边以及远离诊所和医院的偏远地点进行记录。
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