Changes of Contrast Sensitivity According to Light Transmittance of Color Lenses
نویسندگان
چکیده
منابع مشابه
Psychophysical Measurements of Luminance Contrast Sensitivity and Color Discrimination with Transparent and Blue-Light Filter Intraocular Lenses
INTRODUCTION The purpose of this study was to measure luminance contrast sensitivity and color vision thresholdfs in normal subjects using a blue light filter lens and transparent intraocular lens material. METHODS Monocular luminance grating contrast sensitivity was measured with Psycho for Windows (version 2.36; Cambridge Research Systems) at 3.0, 6.0, 12.0, 20.0, and 30.0 cycles per degree...
متن کاملThe Evaluation of Yellow vs. Blue Color Contrast Sensitivity pre and Post LASIK
Introduction: contrast sensitivity is one of the most important psychophysical tests that may be used for the evaluation of refractive state of eye and retinal image quality. Yellow vs. blue color contrast sensitivity may be more suitable in this regard. Materials and Methods: thirty myopic eyes were considered in this study. Yellow vs. blue color contrast sensitivity was evaluated under the sa...
متن کاملHabitual wearers of colored lenses adapt more rapidly to the color changes the lenses produce
The visual system continuously adapts to the environment, allowing it to perform optimally in a changing visual world. One large change occurs every time one takes off or puts on a pair of spectacles. It would be advantageous for the visual system to learn to adapt particularly rapidly to such large, commonly occurring events, but whether it can do so remains unknown. Here, we tested whether pe...
متن کاملcomparative evaluation of ultraviolet and visible light transmittance through prescriptive ophthalmic minus lenses
background: wearing spectacles is the most common approach in correcting the refractive errors worldwide. due to harmful effects of overexposure to solar ultraviolet radiations, the usage of multi-layer coatings in ophthalmic lenses has recently been increased. these lenses can reduce the reflections and hence increase the transmission of visible light; they can also decrease the transmission o...
متن کاملRelationship between spectral transmittance and slit lamp color of human lenses.
PURPOSE To study the relationship between subjective lens color as observed with slit lamp biomicroscopy and spectral transmittance of the lens. To propose a model for this relationship to derive quantitative information on lens pigmentation from slit lamp observation. METHODS Twenty-nine normal lenses, from donors aged 14 to 86 years, were used. The fraction of light transmitted from a narro...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of the Korea Academia-Industrial cooperation Society
سال: 2009
ISSN: 1975-4701
DOI: 10.5762/kais.2009.10.11.3427