Black Round Computer Glasses M8539 C1 best safety glasses with side shields Fully Sealed Isolation : Can

Fully Sealed Isolation : Can better fit the human face and good air tightness

The duo-spherical lenses offer a large field of vision

Included: one full frame slim metal reading glasses

Widen the side wing of glasses to better protect the side wing from splashing

2 mm industrial-grade lens construction

Black Round Computer Glasses M8539 C1 best safety glasses with side shields Fully Sealed Isolation : CanAnti Blue Light Computer Glasses Model 8539 C1 Size: 50 21 141 BLUELIGHT BLOCKER & REPLACEABLE LENS Reduce symptoms of eyestrain during prolonged computer exposure. These frames are best used as indoor lenses for long hours of computer use in order to maintain natural sleep patterns and eye production. The original non prescription lenses can be replaced with progressive lenses at any stores. Prescription Glasses Possible. Whatsapp Your Prescription