Unverified90% confidenceDecision RuleTime unknown

护眼台灯认准国AA级照度标准（中心照度≥500lux且照度均匀度≥0.7），普通国A级仅要求300lux，读写距离下容易导致局部过暗形成明暗对比疲劳

1

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90%

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Long-term

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智能台灯category

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Unverified国AA级照度标准要求灯具在中心区域及半径范围内照度衰减受控，均匀度比值应满足读写作业面无明显明暗交界，避免瞳孔频繁调节疲劳88% similar Unverified国家标准中，读写作业台灯AA级要求灯具中心照度≥500lx，AA级半径50cm处照度≥250lx，是护眼灯的硬指标86% similar

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