37BBF Bifocal Yellow Night Vision Glasses
- 1.9mm Polycarbonate Lnes is sturdy
- Shatterproof and Scratch Resistant
- Virtually Invisable Bifocal beecause it is injection molded.
- Bi-focal Positioning is good for seeing above and below and straight ahead.
- Comfortable lightweight frame.
- Stays in place - Rubber nose pieces and rubber accent on inside of arms to keep sunglasses in place and softly comfortable.