3 Pair of Bifocal Reading Sunglasses for Men and Women - Outdoor Sun Reading Glasses plastic frame gradient lens non-polarized Lens width: 51 Lens height: 39 Arm: 144 UV400, 100% UVA and UVB for your eye protection. Spring Hinges EYE HEALTH - Bifocals help you preserve your eye health by reducing eye strain and fatigue. COST SAVINGS - Because youll no longer need multiple pairs of glasses, bifocal glasses save you money. EASE OF USE - Bifocals are convenient. Its just that simple. No longer will you need to carry multiple pairs of glasses around with you.