Material: Metal,TR,PC 100% Brand New,High Quality! Type: Progressive Multifocal Anti-blue Light Glasses Color: Black,Gold Strength:+1.00/+1.50/+2.00/+2.50/+3.00/+3.50/+4.00 Size: One Size(As Shown) Progressive multifocal glasses is for people who can see far clear ,but have problem with seeing near and middle The diopter you choose is on the s bottom , the middle is foprogressive , the top is 0 + Usually it takes a week to get used to wearing it . If you feel dizzyyou should walk slowly Since the two sides of the are astigmatic distorted areas , it isnecessary to turn the neck and the eyeball at the sametime tosee both sides When going downstairs , the glasses should be taken as low aspossible to use the top area to see Note : If you have both hyperopia and myopia , please goto a professional to make glasses , our eyes arenot applicable . Features: 1. Comfortable and flexible without face / 2. Screens of digital products such as mobile phones, tablets, and computers emit harmful light sources, and anti-blue light es effectively block blue light and radiation, reducing eye damage. 3. Enhance blue light permeability, high-definition vision, the film layer is more firm, not easy to scratch Package Included: 1* Reading glasses Note: , the picture may not reflect the actual color of the item.