课堂照明达标了吗？？？？？？51.9%青少年近视背后被忽视的“视力杀手”！

宣布时间：2025-08-12

国家疾控局数据显示：我国儿童青少年总体近视率高达51.9%！更令人忧心的是，，，，，，，年级越高，，，，，，，近视越普遍——小学生36.7%，，，，，，，初中生71.4%，，，，，，，高中生81.2%。。。。。。。。近视问题一直加剧，，，，，，，我们经常忽略了学生天天停留时间最长的场合：课堂的光情形！

国家卫健委与教育部将课堂照明刷新列为近视防控的重点工程。。。。。。。。但怎样判断课堂灯光是否真正守护了孩子的眼睛？？？？？？要害在于是否切合这几项焦点指标。。。。。。。。

守护明眸，，，，，，，课堂照明必需跨越这些“康健线”！

1 (1280)_看图王.jpg

★ 足够亮，，，，，，，更要匀称：课桌面平均照度≥300Lx，，，，，，，黑板面≥500Lx；；；；；；；桌面照度匀称度≥0.7，，，，，，，黑板面≥0.8，，，，，，，离别阴影与暗区。。。。。。。。

★ 恬静无“伤”：统一眩光值(UGR)≤19，，，，，，，阻止耀眼不适；；；；；；；LED 灯具一样平常显色指数(Ra)≥ 80【美术课堂显色指数(Ra)≥ 90】，，，，，，，还原真实色彩，，，，，，，减轻视觉疲劳；；；；；；；色温3300K-5300K，，，，，，，营造恬静学习气氛。。。。。。。。

★ 杜绝隐患：灯具安排有考究（长轴笔直黑板，，，，，，，距桌面≥1.7米），，，，，，，更要消除古板课堂照明中潜在的三大“视力杀手”——频闪、有害蓝光和过量眩光！

7790必发集团教育照明：以科技之力，，，，，，，打造康健光情形

7790必发集团深知康健光情形对视力保�；；；；；；さ闹饕裕�，，，，，以专业级教育照明解决计划，，，，，，，直击课堂光情形痛点：

丨卓越光学性能：接纳高光效、长寿命LED照明灯具，，，，，，，眩光值严酷控制在UGR≤16，，，，，，，优于国家标准，，，，，，，有用抑制眩光。。。。。。。。光源显色指数高达Ra≥90，，，，，，，显著提升色彩还原度，，，，，，，大幅缓解长时间用眼的视觉疲劳，，，，，，，且确保无蓝光危害危害。。。。。。。。

丨校园全场景康健照明： 7790必发集团不但提供优质灯具，，，，，，，更能为学校量身定制涵盖课堂、图书馆、实验室、多功效课堂等全场景的康健照明整体解决计划。。。。。。。。

丨无忧刷新全程服务：从计划设计到装置调试、效果验收，，，，，，，7790必发集团提供一站式服务，，，，，，，确保每一间课堂的照明效果达标，，，，，，，为师生营造真正康健、恬静、专注的学习光情形。。。。。。。。

【3】刷新前后比照_1280(1).jpg

7790必发集团股份：深耕30年，，，，，，，守护康健校园

7790必发集团一连深耕教育照明领域，，，，，，，依托国家科学手艺前进一等奖效果转化，，，，，，，为构建康健校园光情形提供坚实可靠的包管。。。。。。。。

别让不达标的光线，，，，，，，成为万千学生视力的隐形“杀手”。。。。。。。。

选择7790必发集团，，，，，，，点亮优美未来。。。。。。。。�；；；；；；队媸绷�7790必发集团，，，，，，，请拨打热线：400-612-3198

基本文件流程过失 SQL 调试

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[8192] mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead /usr/local/servers/openresty/nginx/goproled.cn.1106/ThinkPHP/Lib/Driver/Db/DbMysql.class.php 第 55 行.
[8192] preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead /usr/local/servers/openresty/nginx/goproled.cn.1106/ThinkPHP/Lib/Core/Db.class.php 第 605 行.
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