Clear lenses, do they really work?
Clear lenses, do they really work?
March 24, 2026 コメント0件

Clear lenses, do they really work?

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In the cell phones and computers we commonly use, the wavelength range of blue light is approximately 440mm~460nm.

However, all transparent blue light blocking glasses sold on the market do not block wavelengths longer than 420 nm.

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