Seamless progressive bifocal design No obvious dividing line between focal points for a natural, continuous viewing experience No need to remove glasses when switching between near and far tasks; simply move your eyes tobottom to access different visual areas Frameless and comfortable construction Frames made from TR90 material: strong, flexible, and lightweight Flexible under pressure and designed to fit the contours of your face for allday comfort Multiple power options to match your vision 1.0x for age 4549 1.5x for age 5054 2.0x for age 5559 2.5x for age 6064 3.0x for age 6569 3.5x for age 7074 Choose the power that fits your needs Blue light protection for screen use Antiblue light technology blocks blue light emitted by computers, smartphones, televisions and other devices Helps reduce eye fatigue and headaches and supports longterm eye comfort and vision Use scenarios Desk work and reading at close range, such as documents, books, and manuals Computer, tablet, and smartphone use for extended periods without removing glasses Everyday activities like cooking from recipes, crafting, or reading labels and menus Key attributes Function: seamless progressive bifocals with near and far viewing in one pair Compatibility: suitable for daily indoor use with screens and printed materials Size and fit: frameless design with TR90 frame material for lightweight comfort Performance: durable, flexible, and comfortable for long wear while providing clear multivision capabilities Material: TR90 frame, advanced progressive lens design Vision protection: antiblue light to reduce eye strain and protect eyesight