Pocket Reading Glasses Foldable Screwless Frame and CaseProgressive Vision Lenses These reading glasses feature progressive lenses. This design allows for transition between near and far viewing distances. The magnification range extends from +1. 00 to +4. 00. Screwless Construction and Protection The glasses utilize a screwless frame construction. The lenses include blue light and UV protection intended to manage visual comfort. The lightweight structure supports extended wear. Portability and Secure Fit