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ZWITTERIONIC MATERIAL "SIB":
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"SIB" stands for SEED Ionic Bond, and ensures biocompatibility. Every pair of SEED PURE series contact lenses is made from original "SIB" material. It contains both positive and negative ions, resulting in electrical stability. This stability keeps out dust and impurities, while ensuring high water content, thus giving a high level of oxygen permeability.
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Zwitterionic material, "SIB" has two types of moisturising ingredients, alginic acid and non-ionic surfactant. As such with the strong ability to retain moisture, it is highly recommended for wearers who experience dryness in their eyes during the evening.
Brand: SEED
Material: 2-HEMA, cationic and anionic monomer, MMA, EGDMA
Diameter/ Base Curve: 14.2/ 8.8
Frequency: Daily wear
Lenses in box: 32
Water Content: 58%
Colour: Transparent
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