Half Rim Progressive Multifocal Presbyopia Intelligent Reading Glasses Resin Lens

1. Progressive multifocal technology, creates 3 zones for different types of vision, no need to take off without fatigue for long time wearing.

2. Smooth transition of optical focus without jump image, clear vision.                                          

3. Supreme nickel alloy material with ductility and ferromagnetic, highly polished and good corrosion resistance.