- Lens Color: Orange - Frame Color: Black - Style: 99.9% Blue Light Cut Night glasses PC glasses with super blue light cut have finally arrived in Japan!! Cuts 99.9% of blue light in all areas! Blue light seriously affects your body clock. Blue light at night has been proven to reduce melatonin secretion and disrupt sleep cycles. ■ Recommended for people like this! 1. People who use smartphones or computers late at night and have trouble falling asleep 2. People who use smartphones or computers after turning off the lights before bed 3. People who tend to use their smartphones in a dark room 4. People who often watch movies in a dark room Introduced on Paleo Man, I purchased and used it for several months, but it doesn't suit me, so I'm selling it. Please refrain from purchasing if you are concerned about fine scratches or dirt on the lens or other parts. Please consider this item with the understanding that it is a used item.