不同颜色簿本和墨水亮度及色度对眼疲劳影响

王智勇; 瞿佳; 周翔天; 高辽平; 董毅; 陈斌; 刘丹; 孙作庆

不同颜色簿本和墨水亮度及色度对眼疲劳影响

Effect of different color paper and ink on visual fatigue

摘要

摘要:
目的探讨书写用纸张、墨水的亮度、色度对近视发生的可能影响。
方法 38名五年级学生对3种不同颜色笔记本书写时眼疲劳的主观反映, 比较分析笔记本的反射系数; 评估蓝、黑色墨水的亮度对比。
结果 (1) 白色页面的眼疲劳发生率最高且症状重。(2)簿本页面的反射系数为61.6%~70.38%, 其中白色不高于黄色。(3)黑色墨水亮度对比为96%, 蓝色为50%。(4)蓝色墨水的视觉阈值为黑色的1.7倍; 同种墨水, 晚间的视觉阈值是白天的1.3倍。
结论 (1) 书写用眼时黄色页面比白色较少视疲劳发生, 加有红色视标的黄色页面则更少。(2)淡黄色比白色不明显降低反射系数, 而黄色度加深和糙面设计则明显。(3)蓝色墨水的读写效率低于黑色, 同种墨水晚上低于白天。

Abstract:
Objective To study the relation between myopia and luminance with chroma in paper and ink.
Methods 38 fifth-grade pupils were carried through the survey of subjective symptoms of visual fatigue during writing with three different color notebooks.Reflecting Index(RI)of notebooks was determined.Brightness Contrast(BC)was evaluated.
Results (1) More subjects appeared visual fatigue as a result of using white notebooks.(2)RI of notebooks distributed in the range from 61.60% to 70.38%.RI of white notebook wasn't the highest than the others.(3)Writing with black or blue ink, BC distributed around 96%and 50%respectively.(4)Visual threshold(VT)of blue ink was 1.7 times larger than VT of the black.For the same sort of ink, VT at night was 1.3 times as in broad day.
Conclusion (1) While being writtern, the yellow notebook resulted in less visual fatigue than the white, the yellow paper added tens of red dots produced less visual fatigue than the yellow paper.(2)Faint yellow notebooks was unable to decline the RI markedly than white was, but the darker yellow or the semi-gloss finish and matte finish papers were able to decrease it.(3)Using blue ink visual efficiency(VE)was lower than the black one.While writing at night, the VE of the same kind of ink was lower than in broad day.

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