Progressive Multifocus Reading Glasses Men's Anti Blue Light Computer Eyeglasses SHINU-SH030

SHINU EYEWEAR Production Parameters Model number: SH030 Department: men Frame material: metal The Dimension: frame(140*39mm) lens(54*37mm) bridge(19mm) arm(145mm) What is progressive multifocus reading glasses?   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 used to look at the intermediate area. Most people wear progressive multifocal glasses need about a week of adaptation, but the adaptation period varies from person to person, walk slower when feel dizzy.When go down stairs, please lower your glasses and use the top area. You'll feel safe and comfortable. The LH sign. Please kindly note that there is a non-removable 'LH' sign carved one the normal progressive multifocus lens, which is used to locate the top area and the bottom area. If you mind, please order the anti-blue light progressive multifocus lens without any marks. NOTICE: if your e