Unverified90% confidenceDecision RuleTime unknown
显色指数Ra≥90才能真实还原色彩、减少视觉疲劳，绘画/临摹/看书选Ra≥95；Ra低于80会导致颜色失真，长期使用增加视疲劳，纸面白光偏黄或偏蓝均属Ra不足表现
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90%
Confidence
Long-term
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