We offer you a wide range of glasses, including anti-blue light glasses, progressive multi-focus reading glasses and photochromic sunglasses. Most electronic devices with a screen - including smartphones, tablets, TVs, computers and e-readers - emit blue light. More and more young adults sleep with their smartphones next to or in their beds. Play video games before bedtime, read a book on an e-reader, if you regularly use digital devices in the evening, If you prefer not to limit screen time, progressive multi-focus lenses 1. The upper optical area of the lens allowed you to look far earlier (while walking around). 2. The degree of the middle changes gradually (let your eyes adjust more naturally). 3. The lower optical area was used to look close (when reading books, computers and mobile phones). Reading glasses are manufactured on the basis of individual prescription glasses standards. The accurate magnification strength of reading glasses provides better vision and clearer vision. Excellent customer service 100% Satisfaction Guarantee. Wenn Sie ein Problem haben, wenden Sie sich bitte vorrangig an uns.