Lampworkers with prescription eyewear can customize their eye protection with this pair of safety glasses featuring stylish and durable black plastic frames. The unique “Prescription Insert” enables lampworkers and glassworkers to customize their eye protection by having their personal prescription inserted. Three lens strengths are available for all types of lampwork – and they all provide Sodium Flare and UV Protection. For lampwork jobs that require more protection, the SB and B3 series offer additional IR protection.