Unverified85% confidenceDecision RuleTime unknown
关注健康照明需选择低压驱动(通常24V)且明确标注无频闪(PWM频率≥3125Hz或DC恒流)的产品，避免长时间处于闪烁光源下引起眼疲劳
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Unverified亮度调节需支持无级/PWM高频调光（≥3000Hz以上或DC调光），低频PWM调光在低亮度下频闪明显，长期夜间使用易造成眼疲劳和头痛89% similarUnverified追求健康护眼应选支持PWM频率≥3125Hz或DC恒流调光的灯带，并有无频闪/低蓝光认证（如莱茵TÜV Low Blue Light、IEEE 1789无频闪）；低价灯带常用低频PWM调光，调暗时频闪加剧88% similarUnverified真正护眼需高频PWM调光（≥1920Hz）或原生DC调光，1920Hz以下的PWM调光在低亮度时频闪明显，敏感人群仍会眼疲劳88% similarUnverified调光方式优先选PWM频率>3000Hz或DC直流调光的产品，低频PWM（<1250Hz）在低亮度时频闪严重，长期使用引起眼疲劳87% similarUnverified健康向应用应确认灯带通过无频闪认证（波动深度＜3125Hz以上或直流恒流驱动），廉价PWM调光灯带在低亮度时频闪严重，长时间使用易引起视疲劳87% similar
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