Size:2.0 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 material with ductility and ferro, 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. Please wipe off the marking line with alchohol after adapting to the glasses. Specifications: Item Type: Progressive multifocal presbyopia Brand: KCASA Gender: For Unisex Frame Material: Alloy Lens Material: Resin Degree: 100,150, 200, 250, 300, 350 Strength for reading: +1.5, +2.0, +2.5, +3.0 Strength for far vision: 0 interpupillary distance: 62mm +-2 Size: Shown on the picture Package Included: 1 x Pair of Reading Glasses 1 x Box Notes: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight deviation for the measurement data.
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