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The quantification of intraocular scattering light considered spectral distribution for prediction of visibility

Research Project

Project/Area Number 16K16257
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Clothing life/Dwelling life
Research InstitutionNara Women's University

Principal Investigator

IKEGAMI YOKO  奈良女子大学, 生活環境学部, 非常勤研究員 (20713928)

Project Period (FY) 2016-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2017: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2016: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Keywords眼球内散乱光 / 視認性 / 分光分布 / 順応輝度 / 分光特性 / 建築環境・設備
Outline of Final Research Achievements

We studied whether ight color affected the intraocular scattering light on fovea. The luminance difference threshold is measured for calculating the adaptation luminance increase as intraocular scattering light. The variables of this experimental are luminance of the near-background, size of the visual target, their colour and the colour of glare source. The colour conditions are blue, green, yellow, red and white. The subjects were 17 young female. Their ages ranged from 20 to 23 years, and their visual acuity ranged from 0.1 to 1.5.
The scattering light on fovea was affects by radiance spectral distribution. Even if the colour we recognize was different, when the each colour's the radiance spectral distribution was similar, the significance difference wasn't shown in each colour's scattering light. In the visual environment design, it is important to be considered that spectral distribution of a light source and the spectral reflectance of a material.

Report

(3 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • Research Products

    (2 results)

All 2018

All Presentation (2 results) (of which Int'l Joint Research: 1 results)

  • [Presentation] Study on Visibility under Visual Field within Non-Uniform Luminance Distribution: Influence of Spectral Distribution of Light Source on Intraocular Scattering Light2018

    • Author(s)
      Ikegami,Y., Fujita,K. and Inoue,Y.
    • Organizer
      the 8th Lux Pacifica Life and Lighting
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 実効輝度を用いた視環境評価法に関する研究 その6 眼球内散乱特性への分光分布の影響2018

    • Author(s)
      池上陽子、井上容子
    • Organizer
      平成30年度日本建築学会 近畿支部研究発表会
    • Related Report
      2017 Annual Research Report

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Published: 2016-04-21   Modified: 2019-03-29  

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