Hovis J K, Cranton D, Chou B R
School of Optometry, University of Waterloo, Ontario, Canada.
Optom Vis Sci. 1991 Sep;68(9):750-5. doi: 10.1097/00006324-199109000-00014.
The transmittance properties of 96 tinted lenses were examined to determine whether these lenses met the American National Standards Institute (ANSI) Z80.3 standards for traffic signal transmittances and color shifts. Transmission functions of the lenses were measured using a Zeiss Spectrophotometer, and the luminous transmittances and color shifts were calculated according to the ANSI guidelines. Approximately 50% of the sampled tinted lenses failed to meet at least 1 of the ANSI requirements. Lenses that failed to meet several ANSI requirements were often special purpose sun lenses. Although the special purpose tinted lenses do not have transmittance requirements for traffic signals, it is not always clear from the manufacturers' brochures that the lenses may be unsuitable for driving.
对96片有色镜片的透光特性进行了检测，以确定这些镜片是否符合美国国家标准学会（ANSI）Z80.3关于交通信号透光率和颜色偏移的标准。使用蔡司分光光度计测量镜片的透光函数，并根据ANSI指南计算发光透光率和颜色偏移。大约50%的抽样有色镜片至少不符合一项ANSI要求。不符合多项ANSI要求的镜片通常是特殊用途的太阳镜。虽然特殊用途的有色镜片对交通信号没有透光率要求，但从制造商的宣传册中并不总是能清楚地看出这些镜片可能不适合驾驶。
