DIURNAL MODULATION OF PUPILLARY LIGHT REFLEX

被引：0

作者：

Senba, Ryuma ^{[1
]}

Maruyama, Yu ^{[1
]}

Takao, Motoharu ^{[1
]}

机构：

[1] Tokai Univ, Dept Human & Informat Sci, Hiratsuka, Japan

来源：

LIGHT & ENGINEERING | 2023年 / 31卷 / 06期

关键词：

pupillary light reflex; intrinsic pho-tosensitive retinal ganglion cells; circadian rhythm; chromatic sensitivity;

D O I：

10.33383/2023-054

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Pupillary light reflex is mediated by intrinsic photosensitive retinal ganglion cells (ipRGCs) and the midbrain in human brain. The cells ipRGCs are highly sensitive to blue light (similar to 480 nm). In this study, we evaluated diurnal changes in chromatic sensitivity of ipRGCs by measuring pupillary light reflex. The data showed that sensitivity to red and green light increased from morning to evening, but that to blue decreased from noon to evening. These results indicate that sensitivity of ipRGCs may de-creases in evening.

引用

页码：118 / 120

页数：139

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