Photochromic Reading glassesPhotochromic Reading glasses Lenses are clear when indoors or at night and automatically darken to a sunglasses tint when exposed to UV sunlight. Lenses will begin to clear as soon as they are away from UV sunlight, and will be noticeably lighter and mostly clear within a few minutes. They absorb UV radiation that can otherwise damage your eyes. They are an excellent solution for people who hate constantly switching between their reading glasses and their shades . Multi-focus Reading GlassesIntelligent progressive multifocal Lens Give the best experience. Multifocus Reading Glasses feature three strengths in one pair of reading glasses so you can read, work on your computer and interact with Acsergery others without having to take your glasses off. As it is a pair of progressive multifocal glasses, so generally speaking, you need about a week of adaptation.but the adaptation period varies from person to person, walk slower when feel dizzy . Anti Blue Light LensWearing a pair of anti blue light glasses will protect your eyes from the harmful blue light. No dry eyes during long time working with Acsergery electronic screens.No headache after all day long office working.Reduce symptoms of eyestrain during prolonged computer exposure.A significant improvement of the symptoms like dry eyes, sticky eyes, and the feeling of grittiness or sand in the eye. The Lens can block UV rays,it is suitable for use when watching TV and look at computer . TRANSPARENT LENS Transparent lenses are not easy to be scratched. Temple with Acsergery firm and flexible,excellent toughness, lightweight, and making these reading glasses not easy to be scratched.To ease your close reading pressure, YIMI women and men glasses escort your reading.The glasses are designed to suitable for different face shape.Low color difference,bring you good visual experience,shock resistant ,non fragile and water proof, dust free and easy to clean,safe to wear. . PACKAGE INCLUDED1* Reading Glasses, 1* Glasses Cleaning Cloth, 1* Glasses Case , which can be a exquisite gift sending to your families and friends. If you have any problems with Acsergery our reading glasses, please contact with Acsergery our customer services without hesitation. We will provide the best solutions until the customer is satisfied. .