High-definition anti-blue light lenses: Anti-blue light lenses relieve eye fatigue - filter out harmful high-energy blue light (380-450nm) from the screen, reducing eye fatigue, dryness, and fatigue from long periods of reading, using mobile phones, or making. Retain beneficial blue light and maintain natural color vision. Close-range reading design: Wear BIENCOOL reading glasses to perfectly complete all close-range tasks - ideal for reading books/newspapers, making handicrafts, sewing, or browsing your mobile phone. Enhance your daily work efficiency and enjoyment with clear and comfortable visuals to meet your needs. Ergonomic: Suitable for all face shapes - The frame width is 140mm and the temple length is 140mm. The 54mm lens width and 37mm lens height provide a wide field of view, so you can easily wear the glasses for reading, sewing, handicrafts or using a mobile phone. 0-400 degree specifications available: Choose from 14 precise diopter specifications (25-50 degree increments) to match your specific diopter requirements. Spring hinges: Durable spring hinges + lightweight frame - Utilizing high-quality stainless steel spring hinges, capable of withstanding over 10,000 openings (for more than 5 years of daily use). The ultra-light frame and one-piece nose pad make it comfortable to wear all day long without any sense of pressure, slipping or drooping discomfort. reading glasses computer glasses anti fatigue adjustable diopter readers for close work lightweight presbyopic glasses for men and women