*TOP ITEM* Clalen Freedom 380 (Blue Light Blocking Lens)
|Recommended wearing cycle||1day / 30p|
|Frequency range||-0.50 ~ 10.00|
What is blue light?
-It has a short wavelength (380 ~ 500nm) in the visible light region and has strong energy
★ Blue light double-sided
-380 ~ 460nm is harmful wavelength, Poor eyesight, tired eyes, and dry eyes
★ But460 ~ 500nm beneficial wavelength
24-hour biocycle rhythm & health maintenance of ipRGCs (photosensitive retinal ganglion cells)
Essential for proper biocirculation (sleep, depression)
In other words, the wavelength of blue light harmful to us is 380 ~ 460nm.
Above that wavelength (460 ~ 500nm) is a beneficial wavelength that is necessary for our body.