1. Size and fit Lens width: 5.1 cm (2.0 in); temple length: 14.6 cm (5.7 in) Bridge: 2.5 cm (1.0 in); lens height: 4.2 cm (1.6 in); frame width: 14 cm (5.5 in) 2. Frame design and comfort Metal square frames with adjustable silicone nose pads and curved temples for a secure, comfortable fit Suitable for a wide range of face shapes: rectangular, rhombus, square, heartshaped, triangle, oval, and round 3. Progressive multifocal functionality Lenses provide multiple focal zones for seamless vision at different distances zone offers half magnification for walking and shopping Middle zone has slightly reduced magnification for computer work and viewing screens Bottom zone provides full magnification for close reading 4. Eye protection and performance Antiblue light and antiglare features help filter blue light from phones, computers, tablets, and readers Designed to reduce eye strain during extended screen use while delivering clear vision across distances 5. Use scenarios Walking and shopping: magnification supports clear vision while you move around and check surroundings Computer work and screen time: middle magnification facilitates longer tasks at a desk or on a device Reading and closeup tasks: bottom magnification enables precise reading of books, papers, or other close work