Plastic framePolycarbonate lensNon-polarized
Lens width: 53 millimetersBLUE LIGHT BLOCKER & REPLACEABLE LENSES – Reduce symptoms of eyestrain during prolonged computer exposure. These glasses are best used for long hours of computer use to maintain natural sleep patterns and eye protection. The original lenses can be replaced with your prescription lenses at any store.HIGH-QUALITY MATERIALS – These SojoS square blue light blocking glasses are made of high-quality plastic frames, anti-blue light lenses, solid metal hinges, all the details ensuring you a perfect performance. These glasses are suitable for both men and women.CLASSIC STYLE DESIGN – These retro square blue light blocking glasses with full plastic frames bring you a timeless trendy appearance. These vintage rectangular glasses can go with various face shapes and hairstyles. You can wear our glasses for long periods in front of digital screens or your upcoming trip out of town.