LianSan Progressive Multifocal Blocking Computer Vision Care Review

Metal/Acetate frame. Resin lens. non-polarized. Lens width: 2 inches. 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.As the two sides of the lens is astigmatism disorder district, you need to turn around the neck and eyes in order to see objects on your both sides clearly. When go down stairs, please lower your glasses and use the top area. You'll feel safe and comfortable. It can effectively block harmful ultraviolet radiation and reduce the damage caused by harmful blue light. The yellow tinted lens can eliminate glare and improve contrast, then optimizing vision acuity clarity with fewer distractions. Relieving your eye strains and headache when watch TV or look at smartphones. Dimension : Lens height:31mm, Lens width:51mm, bridge:17mm, temple:132mm. Package Includes: 1 * reading glasses,1 * glasses case and 1 * cleaning cloth.