Psychophysical determination of intraocular light scatter as a function of wavelength |
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Authors: | B R Wooten G A Geri |
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Affiliation: | Department of Psychology, Brown University, Providence, RI 02912. |
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Abstract: | Intraocular scatter of monochromatic light was assessed in three subjects (ages 21, 38, and 43) using the equivalent veil technique. For an annular stimulus of 3 deg inner and 8 deg outer diameter, the scattered illuminance at the center averaged 1.2% of the surround and was independent of wavelength from 420 to 650 nm. These results are inconsistent with predictions of wavelength dependence inherent in recent theories of ocular scatter. We conclude that intraocular scatter is produced by particles or cellular structures substantially larger than the wavelength of light. |
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