Super Blue Light Cut PC Blue Light Metal Round Blue Light UV Clear Transparent Fashion Glasses, Glasses, 94% Cut, Unisex, Boston, Round, Frame,

Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. Super blue light cut glasses are PC glasses equipped with the latest lenses that cut 94% of blue light (HEV400-420nm). They cut about 94% of blue light (HEV400-420nm) emitted from computers, smartphones, TVs, tablets, etc. Because they use a new standard UV absorbing material, their performance far exceeds that of conventional blue light cut coatings. Their performance has been tested and inspected by the Japan Spectacle and Popular Optical Instruments Inspection Association, the world's only third-party organization specializing in glasses and popular optical instruments, located in Sabae City, Fukui Prefecture, the holy land of glasses. They prevent damage to lutein, which is the source of eye diseases, and reduce oxidative stress. You can expect the effect of maintaining eye health as easily as taking supplements. They also protect your eyes from not only blue light but also ultraviolet rays. They cut 99.9% of UV, so they can also be used as colorless, transparent sunglasses. These high-performance glasses are gentle on the eyes. Our original product! Classic Boston glasses are right on the cutting edge of the latest trends, designed by a professional eyeglass designer from scratch. This is a product we are proud of, with every detail calculated down to the millimeter to ensure that the width and fit are suited to Japanese faces. The ideal frame was created after numerous revisions to the coloring and lens shape. The simple design and color make them suitable for people of all ages, genders, and occasions. Unlike mass-produced products, we process each pair individually in our shop (in Japan). We strive to satisfy our customers with the techniques we have cultivated over many years as an eyeglass shop. *The frames are made in China. Glasses case and glasses cleaning cloth are included. [Lens width] 48mm [Nose width] 22mm [Temple] 138mm [Top and bottom width] 41.5mm [Frame width] 140mm Super blue light cut glasses are PC glasses equipped with the latest lenses that cut 94% of blue light (HEV400-420nm). They cut about 94% of blue light (HEV400-420nm) emitted from computers, smartphones, TVs, tablets, etc. Because they use a new standard UV absorbing material, their performance far exceeds that of conventional blue light cut coatings. Their performance has been tested and inspected by the Japan Spectacle and Popular Optical Instruments Inspection Association, the world's only third-party organization specializing in glasses and popular optical instruments, located in Sabae City, Fukui Prefecture, the holy land of glasses. They prevent damage to lutein, which is the source of eye diseases, and reduce oxidative stress. You can expect the effect of maintaining eye health as easily as taking supplements. They also protect your eyes from not only blue light but also ultraviolet rays. They cut 99.9% of UV, so they can also be used as colorless, transparent sunglasses. These high-performance glasses are gentle on the eyes.