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Age and Wavelength Dependence of Intraocular Straylight
Nao Tsuchiya,Tomonori Tashiro,Tomoharu Ishikawa,Kazuhiko Ohnuma,Miyoshi Ayama 한국색채학회 2017 AIC 2017 Jeju Vol.2017 No.10
Intraocular straylight is the light scattered in the eye. There are some causes to produce it. Main cause of it is forward scattering by the ocular media. It leads to decline the QOL, thus the QOV as well. So it is important to develop the quantitative measurement method and simplified measurement device. In this study, we estimated the amount of intraocular straylight using a veiling method with an edgeless test stimulus and examined the age and wavelength dependence. Results indicate that intraocular straylight increases with age as expected. About the wavelength dependence, relative decrease from short to middle wavelength range seems to follow Rayleigh scattering, while it stays in about the same level from middle to long wavelength region.