Whitaker D, Steen R, Elliott D B
Department of Vision Sciences, University of Aston, Aston Triangle, Birmingham, England.
Optom Vis Sci. 1993 Nov;70(11):963-8. doi: 10.1097/00006324-199311000-00014.
The purpose of the study was to investigate whether light scatter in normal young, elderly, and cataractous eyes exhibits significant wavelength dependency. Straylight was quantified by calculating light scatter factors (LSF's) based upon the reduction in contrast sensitivity produced by a glare source. The angle of the glare source relative to fixation was varied (3.25 to 26 degrees), as was its wavelength (460 to 660 nm). LSF's increased as a function of age an especially in the presence of media opacities. However, the relation between LSF and glare angle remained approximately the same for each group. Our results suggest that wavelength dependency in normal young, elderly, or cataractous eyes is rather unimportant relative to other factors.
该研究的目的是调查正常年轻人、老年人和白内障患者眼睛中的光散射是否表现出显著的波长依赖性。通过基于眩光光源产生的对比敏感度降低来计算光散射因子（LSF），对杂散光进行量化。眩光光源相对于注视点的角度（3.25至26度）以及其波长（460至660纳米）均有所变化。LSF随年龄增长而增加，尤其是在存在介质混浊的情况下。然而，每组中LSF与眩光角度之间的关系大致相同。我们的结果表明，相对于其他因素，正常年轻人、老年人或白内障患者眼睛中的波长依赖性相当不重要。
