Literature DB >> 16293245

Wavelength dependence of intraocular straylight.

Joris E Coppens1, Luuk Franssen, Thomas J T P van den Berg.   

Abstract

Wavelength dependence of retinal straylight has been a mystery since Stiles in 1929 [Stiles,W.S., 1929. The scattering theory of the effect of glare on the brightness difference threshold. Proc. R. Soc. Lond. (Biol.) 105, 131-41.] supposed it to have the strong Rayleigh type lambda(-4) dependence, typical for small particle light scattering, but which was never found. Using the accurate 'compensation comparison' approach, retinal straylight was measured from 625 to 457 nm. Subjects with a large variety of ocular pigmentation were included. Straylight was found to depend strongly on pigmentation of the eye, in addition to age. Young and well-pigmented eyes (young negroids) show nearly perfect lambda(-4) dependence. With less pigmentation (blue-eyed Caucasians), a red dominated component is added, negating the lambda(-4) dependence.

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Year:  2005        PMID： 16293245     DOI： 10.1016/j.exer.2005.09.007

Source DB:  PubMed          Journal:  Exp Eye Res        ISSN： 0014-4835            Impact factor:   3.467


  16 in total

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