30% Blue Light Blocking Metalless Screwless Thicker Eyeglasses NR2010-B15 Magnification Strength:without magnification ✔ Flexible screwless spring hinge

✔ Flexible screwless spring hinge

These glasses are sold individually

The 54 × 34 mm lenses provide broad coverage while maintaining a lightweight feel for extended outdoor wear

Bridge (DBL) about 1/2 inches (13mm)

✔ No complicated customization process

30% Blue Light Blocking Metalless Screwless Thicker Eyeglasses NR2010-B15 Magnification Strength:without magnification ✔ Flexible screwless spring hingeMetalless and Screwless: Acrylic Lens, plastic frame with unique flexible spring hinges. Blue Light Blocking Lenses: 100% UV Protection. 30% Blue Light Blocking, No Color Distortion. Product Dimension: Frame width about 5. 31 inches (135mm), Lens width about 1. 97 inches (50mm), Lens height about 1. 50 inches (38mm), Bridge (DBL) about 0. 43 inches (11mm), Temple length about 5. 51 inches (140mm). Enhanced Durability: Functionally the arms can be