If you spend anytime on a computer, staring at your phone or another screen then you need these glasses.
They cut down the blue light into your eyes.
Especially if you have trouble sleeping at night, the blue light could be significantly effecting you brains ability to switch off allowing you to sleep.
Brand Name: KANASTAL
Frame Material: Plastic
Item Type: Eyewear Accessories
Frame Material: PC
Lens Width: 54mm
Lens Height: 46mm