人类S视锥细胞视网膜电图及其在有和没有L和M视锥细胞功能的受试者中的变化。
The human S-cone electroretinogram and its variation among subjects with and without L and M-cone function.
作者信息
Gouras P, MacKay C J, Yamamoto S
机构信息
Edward S. Harkness Eye Institute, Columbia University, New York, New York.
出版信息
Invest Ophthalmol Vis Sci. 1993 Jul;34(8):2437-42.
PURPOSE
To examine the S-cone ERG in subjects with and without L and M-cone function.
METHODS
Ganzfeld spectral flashes in the presence of strong Ganzfeld adapting fields are used to elicit S-cone ERGs.
RESULTS
The S-cone ERG b-wave ranges from 0.2 to 4 mV in amplitude and 38-45 msec in implicit time. There is a progressive decrease in amplitude with age. The response is similar in subjects with or without L and M cone function.
CONCLUSION
The S-cone ERG is detectable in subjects of all ages, but intersubject variability limits its diagnostic usefulness. The S-cone ERG is slightly later than but does not appear to be obviously influenced by the L and M-cone ERG.
目的
研究有和没有L及M视锥细胞功能的受试者的S视锥细胞视网膜电图（S-cone ERG）。
方法
在强全视野适应场存在的情况下，使用全视野光谱闪光来引出S视锥细胞视网膜电图。
结果
S视锥细胞视网膜电图b波的振幅范围为0.2至4 mV，潜伏时为38 - 45毫秒。振幅随年龄逐渐降低。有或没有L及M视锥细胞功能的受试者的反应相似。
结论
所有年龄段的受试者均可检测到S视锥细胞视网膜电图，但个体间差异限制了其诊断用途。S视锥细胞视网膜电图略晚于L及M视锥细胞视网膜电图，但似乎不受其明显影响。
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