This video is about how blue lens work, what is blue light, what is blue lens, does blue lens really blocks the blue light?, And I have done a experiment with the available equipment to get a better results. But results are subject to the available resources and may vary under laboratory test conditions.
Time stamp
00:00 - Intro
00:49 - What is color?
02:07 - How blue emitted from smartphone?
02:58 - Why blue color is danger?
03:27 - Blue lens Exp. 1
04:21 - Blue lens Exp. 2
05:09 - Blue lens Exp. 3
05:36 - Blue lens Exp. 4
08:30 - Does smartphone affect your eyes?
11:11 - Purpose of blue lens
12:06 - End
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