光谱闪光对重新适应时间的影响。

Effect of spectral flash on readaptation time.

作者信息

Wang L, Goldmann P, Tengroth B

机构信息

Department of Ophthalmology, Karolinska Institute, Stockholm, Sweden.

出版信息

Aviat Space Environ Med. 1990 Feb;61(2):125-31.

PMID:2310359

Abstract

The effects of an adapting flash of different colors on human vision were investigated with various flashes and target luminances. The readaptation time (RAT) was measured using optokinetic nystagmus elicited by a projected moving striped pattern in a hemisphere. The RATs were recorded from 26 subjects with a multichannel pen recorder. Two target luminances (1.1 X 10(-5) cd/m2 and 2.6 X 10(-5) cd/m2) and 12 flash wavelengths (449 nm, 456 nm, 468 nm, 477 nm, 498 nm, 502 nm, 520 nm, 565 nm, 580 nm, 591 nm, 622 nm, and 703 nm) were used. A spectral RAT curve was obtained, which showed that the chromatic response of RAT follows this order: green greater than blue greater than yellow greater than red. A larger influence of the variation of the target luminance on the RAT was demonstrated at shorter wavelengths. The results also showed that the energy density of the flash has a larger variation with the RAT in blue and green than in red.

摘要

采用不同的闪光和目标亮度，研究了不同颜色的适应闪光对人眼视觉的影响。使用半球内投射的移动条纹图案诱发的视动性眼球震颤来测量再适应时间（RAT）。用多通道笔式记录仪记录了26名受试者的RAT。使用了两种目标亮度（1.1×10⁻⁵ cd/m²和2.6×10⁻⁵ cd/m²）以及12种闪光波长（449 nm、456 nm、468 nm、477 nm、498 nm、502 nm、520 nm、565 nm、580 nm、591 nm、622 nm和703 nm）。获得了一条光谱RAT曲线，该曲线表明RAT的色觉反应遵循以下顺序：绿色＞蓝色＞黄色＞红色。在较短波长下，目标亮度变化对RAT的影响更大。结果还表明，闪光的能量密度在蓝色和绿色中随RAT的变化比在红色中更大。