AO Safety Light Vision Safety Glasses are now available in an "over-the-glass" model. These safety glasses are designed to fit comfortably over prescription eyeglasses. Light Vision OTG safety glasses not only offer superior eye protection but also offer hands-free direct lighting. Light Vision Over the Glass Safety glasses are designed with soft rubber temples and nose pads for extended wear and comfort. Dual hands-free temple lights swivel and adjust for bright directional beams with a long battery life up to 50 hours! Now, you can see and work safely in dim environments while wearing your own RX glasses.