Kcasa Customized Intelligent Reading Glasses Progressive Multifocal Lens Presbyopia Memory Alloy Frame

About Progressive Multifocal Lens : 1. Progressive multifocal lens is different from bifocals lens. There isnt 2 or 3 focus on the lens for near, medium or far vision, but gradient focuses on transitional zone. 2. Since the added value increases continuously in the gradient region, the wearer can obtaina clear vision from the far point to the near point at the appropriate head position. 3. The long distance vision is 1.0 with strength 4.0, 0.5 with strength 3.5, and 0 with 1.0 to 3.0. Features : 1. Progressive multifocal technology, creates 3 zones for different types of vision, no need to take off without fatigue for long time wearing. 2. High-definition coated rasin lenses,1.56 refractive index for clear vison. 3. Supreme nickel alloy material with ductility and ferromagnetic, highly polished and good corrosion resistance. 4. Memory alloy frame, more steady and durable structure. Specifications : Item Type : Progressive multifocal presbyopia Brand : KCASA Gender : For Unisex Frame Ma Lees meer over de Kcasa Customized Intelligent Reading Glasses Progressive Multifocal Lens Presbyopia Memory Alloy Frame van huismerk in de productgroep gezondheid en verzorging