Unverified90% confidenceDecision RuleTime unknown

护眼台灯选购看国AA级照度标准：中心照度≥500lux且4000K色温下无可视频闪（波动深度＜5%），仅标称'无蓝光'不达此标准的不建议购买

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Unverified护眼台灯优先选国AA级照度认证（GB/T 9473-2017），中心照度≥500lux且半径30cm范围内照度≥250lux，AA级比A级的照度均匀度要求更高87% similar Unverified护眼关键看频闪等级而非只看色温：认准通过CQC/国AA级无频闪认证，或频闪深度＜3.2%（豁免级）的产品；低价吸顶灯常用非隔离恒流方案，频闪严重却无标注86% similar

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