Eyekepper Quality Half-Rim Computer Reading Glasses

The frame material of this product is Metal. The lens width is approximately 2 1/16 inches (53mm), the frame width is around 5 7/16 inches (138mm), the lens height is about 1 1/4 inches (31mm), the frame height is roughly 1 5/16 inches (33mm), the bridge (DBL) is around 11/16 inches (17mm), and the temple length is approximately 5 1/2 inches (140mm), featuring spring hinges.

The Eyekepper BB40 lenses are transparent with a special coating, providing 100% UV protection. These lenses do not block the blue color component for color filtering properties. If you require lenses that block blue color and more blue light, please consider the Eyekepper BB60, BB90, or BB98 options.

The blue light blocking performance, tested via spectrometer, is as follows: 29% block within 500nm, 32% block within 490nm, 33% block within 480nm, 35% block within 470nm, 36% block within 460nm, 37% block within 450nm, 39% block within 440nm, 51% block within 430nm, 93% block within 420nm, and more than 99% block within 400nm-410nm. These lenses exhibit almost no color distortion.

Eyekepper is a brand that offers professional and affordable blue light blocking glasses, designed to help reduce eye strain from digital screen use. The preferred viewing distance for VDTs, as per the Occupational Safety & Health Administration, is between 18 and 24 inches (45.72 and 60.96 centimeters, respectively). Eyekepper's lenses filter out 100% of the most damaging low-level blue light and nearly 90% of high energy visible light from devices such as tablets, phones, TVs, and computers.

The Eyekepper BB40 blue light blocking glasses are designed using the American HEV-Adsorb substrate absorption technology, providing more professional blue ray blocking. They also offer stronger UV protection, utilizing special U.S. substrate processing technology to protect the eyes from ultraviolet radiation and block UV420, not just UV400.

Eyekepper's lenses are designed to filter out 40% of blue light in the 395nm-500nm wavelength range, with the test wavelength being 450nm. The data shows the visible light, the remaining blue light, and the remaining UV light.

Eyekepper glasses are specially designed to filter out a portion of harmful blue light, with almost no color difference. The premium features of Eyekepper lenses, including a 12-layer coating, make screen time more comfortable and help eliminate symptoms of digital eye strain.

Eyekepper, a professional manufacturer of reading glasses, adheres to a fashion and avant-garde design concept to provide you with the best quality products. As your intimate friend, Eyekepper understands your needs, meets your aesthetics, and brings you the top-quality reading glasses on the market. Eyekepper's mission is to provide you with a comfortable visual experience through the highest quality products and services.

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