Bed & Bath

Portable Intelligent Reading Glasses Progressive Multifocal Lens Presbyopia Alloy

ItemType:Progressive multifocal presbyopia Gender: For Unisex Frame Material: Alloy Lens Material: Resin Degree: 50,100,150,200, 250,300.350,400 Strength: +0.5,+1.0,+1.5,+2.0, +2.5,+3.0,+3.5,+4.0 Size: Shown on the pictureIntroduction ofProgressive Multifocal Lens: Progressive multifocal lens is different frombifocals lens.There isnt 2 or 3 focus on the lens for near, medium or far vision, but countless gradientfocuses.since the added value increases continuously in the gradient region, the wearer dont need to confirm the strength for medium and far vision, but to obtain a clear vision from the far point to the near point at the appropriate head position.Features: 1. Progressive multifocal technology, creates 3 zones for different types of vision, no need to take off without fatigue for long time wearing. 2. High-definition coated rasin lenses,1.56 refractive index for clear vison. 3. Supreme nickel alloy materialwith ductility and ferromagnetic, highly polished and good corrosion resistance.How to wear: 1. In the early wear, follow the principle: From static to move, from indoor to outdoor. 2. First, choose the appropriate scope for far vision, look straight ahead, but not either side. 3. Determine the scope of the middle vision, slowly down to see through the middle of the transition zone. (There must be a slow adaptation process). 4. Determine the scope of the near, jaw micro-income, eyes down to read the newspaper. 5. Walk in the room, generally 4-5 days will adapt. 6. Pl

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