| Budget Amount *help |
¥44,980,000 (Direct Cost: ¥34,600,000、Indirect Cost: ¥10,380,000)
Fiscal Year 2021: ¥5,720,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥1,320,000)
Fiscal Year 2020: ¥7,540,000 (Direct Cost: ¥5,800,000、Indirect Cost: ¥1,740,000)
Fiscal Year 2019: ¥7,410,000 (Direct Cost: ¥5,700,000、Indirect Cost: ¥1,710,000)
Fiscal Year 2018: ¥24,310,000 (Direct Cost: ¥18,700,000、Indirect Cost: ¥5,610,000)
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| Outline of Final Research Achievements |
We created a device and program that can individually increase or decrease the amount of stimulation of five types of photoreceptors (L-cones, M-cones, S-cones, rods, and intrinsically-photosensitive retinal ganglion cells (melanopsin)), improved the method of taking into account the effects of macular pigment on ipRGCs and rods when considering individual differences in ocular optics, and refined the experiment to achieve greater precision. After eliminating the effects of individual differences, we conducted experiments on color perception in the central vision and elucidated its mechanism. We also experimentally investigated the contribution of rods and melanopsin to color vision in dichromats. We also quantified the effect of melanopsin on disconfort glare. Two-dimensional spectral display systems using a xenon lamp and a DMD, as well as special filters and multiple projectors, were also constructed.
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