【HIGH-STRENGTH LIGHTWEIGHT MATERIALS】 We've produced our collection from the TR90, as it has the highest strength-to-weight ratio of any metal. This also means our glasses only weigh 17.05 grams. You can wear them for hours and forget you have them on. These master technicians were the first in the world to incorporate the TR90 Titanium into eyewear. Their process combines the traditional art of frame-making with modern technology to produce exceptional quality reading glasses. 【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 in different distances in the middle. 【Suitable for a variety of occasions】 Anti-blue light progressive multifocal glasses for indoor or outdoor, all-weather wear, for people with presbyopia problems, especially when reading books, newspapers, watching TV, playing games, traveling, gathering, fishing, this is A thoughtful and practical helper Fold-flat progressive reading glasses and Traditional reading glasses contrast: 【This lens is great for general use and many outdoor activities】 They can protect the eyes in very little light and sharp vision (inside or pre-dawn) through to the sunniest of conditions. Anti-wear, anti-drop, lens light, resin HD, optimized thickness design, lightweight, ultra-thin, sturdy, scratch-resistant, waterproof, and oil-proof, providing you with more reliable safety protection.