Fangrui Product Details Specifications: Condition: New Type: Reading Glasses Colour: Black Material: Tr90 Lens Material: Resin Optional Degree: +1.00+1.50+2.00+2.50+3.00+3.50+4.00intelligent Zoom Features: Intelligent Zoom Reading Mirror: The Progressive Lens Has No Obvious Dividing Line Between The Focal Points, Smooth And No Image Jumping, No Need To Remove The Glasses, Moving The Line Of Sight From Top To Bottom, You Can See The Far And Near And The Different Visual Areas Of The Lens. Things At Different Distances In The Middle. Light Weight, Reduce The Discomfort Caused By Long Wearing Time. High Hardness Antiwear, Antidrop, Lens Light, Resin Hd, Optimized Thickness Design, Light Weight, Ultrathin, Sturdy, Scratchresistant, Waterproof And Oilproof, Providing You With More Reliable Safety Protection. Antiblue Light Progressive Multifocal Glasses For Indoor Or Outdoor, Allweather Wear, For People With Presbyopia Problems, Especially When Reading Books, Newspapers, Watching Tv, Playing Games, Traveling, Gat