Unverified90% confidenceDecision RuleTime unknown
阅读用途优先选显色指数Ra≥90的灯，色彩还原真实、印刷品文字边缘更清晰，Ra<80的灯长时间阅读易疲劳
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90%
Confidence
Long-term
Relevance
-
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Unverified追求护眼阅读需选显色指数Ra≥90的氛围灯，普通氛围灯多为Ra80左右，只营造气氛不适合长时间阅读88% similarUnverified显色指数Ra≥90才能真实还原书本色彩，减少眼睛辨色疲劳；Ra80以下的台灯不适合儿童长时间读写，选购时认准Ra≥90或Ra≥9586% similarUnverified阅读/护眼场景优先选色温可调（2700K-6500K）且显色指数Ra≥90的型号，Ra＜80的低价补光灯长期看书易视疲劳86% similarUnverified显色指数Ra≥90才能真实还原书本色彩与作业本颜色，普通LED台灯Ra仅80左右，长期在低显色光下阅读易导致视疲劳与色彩判断误差86% similarUnverified显色指数Ra≥90时颜色还原准确，适合看书写字、绘画临摹；Ra≥95适合美术专业和精细手工，普通Ra80的灯长期使用易造成色彩误判和视觉疲劳85% similar
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