Label:Yes_x005f_x000D_ Style: Fashion, Classic_x005f_x000D_ Frame Material: PC_x005f_x000D_ Color: Black, Black-Red Lens Material: Resin_x005f_x000D_ Magnification Strength: Strength 1.0x ~ 4.0x_x005f_x000D_ Lens Technology: Blue Light Blocking, Progressive Multifocus_x005f_x000D_ Type: Progressive Multifocal Reading Glasses_x005f_x000D_ -What are progressive multifocal reading glasses?_x005f_x000D_ Asymptotic multifocal glasses are the upper optical area of the lens used to look far and the lower optical area used to look near. The degree of the middle gradually change, which is used to look at the intermediate area. Most people who wear progressive multifocal glasses need about a week of adaptation, but the adaptation period varies from person to person; they walk slower when they feel dizzy. When going downstairs, please lower your glasses and use the top area. You'll feel safe and comfortable._x005f_x000D_ _x005f_x000D_ Product Size:_x005f_x000D_ Total Width: 137mm (5.39inch) _x005f_x000D_ Frame Width: 52mm (2.05inch) _x005f_x000D_ Frame Height: 42mm (1.65inch) _x005f_x000D_ Nose Bridge Width: 16mm (0.63inch) _x005f_x000D_ Temples Length: 135mm (5.31inch) _x005f_x000D_ Weight: 21.6g (0.76oz) _x005f_x000D_ _x005f_x000D_ Package Included: _x005f_x000D_ 1 x Reading Glasses_x005f_x000D_ _x005f_x000D_ Note:_x005f_x000D_ 1. There is a 2-3% difference according to manual measurement. Please check the size carefully before you buy the item._x005f_x000D_ 2. Please note that a slight color difference should be acceptable due to the light and screen.