Progressive bifocal design with seamless zones. There is no visible line between focal points, and you can move your eyes from to bottom to see different visual areas for near and far. No need to remove the glasses. Antiblue light resin lenses. clarity with reduced glare and scratch resistance. Durable for long wear and designed to lessen eye fatigue and blurred vision during screen use. Modern square frame with practical comfort features. Metal frames paired with silicone nose pads and nonslip curved temples to fit most face shapes without slipping. Specifications Lens width: 5.2 cm (2.0 in) Temple length: 14.5 cm (5.7 in) Bridge: 1.8 cm (0.7 in) Lens height: 4.2 cm (1.6 in) Frame width: 13.4 cm (5.2 in) Use scenarios Desk work and reading: switch between documents and computer screens without removing your glasses. Home and daily tasks: read recipes, labels, and books while multitasking around the house. Travel and on the go: maintain clear vision for navigation, signage, and casual viewing during commutes or errands.