9.Aqua blue plate contact lenses\0 degree contact lenses\Myopia color contact lenses\Aqua blue plate contact lenses

At the end of 2013, the factory building of soft hydrophilic contact lenses (commonly known as contact lenses) and care solution production standards that meet GMP requirements was established in Nanchuan District of Chongqing and officially settled; In 2014, through the GMP certification, the company began to independently develop new products and process transformation in line with the market; In 2019, new product development and process transformation were successful, and production capacity was greatly improved; Set up Iris (Chongqing) Technology Co., Ltd. in 2024, indicating that our company will fully enter the overseas market development and operation, our products have been exported to some countries in the Middle East and Russia; At present, the company is the only optical technology company in southwest China with independent product research and development, production and sales. Photometric Range 0 Contact Lenses,

Aqua Blue Plate Contact Lenses\0 Degree Contact Lenses\Myopia Color Contact Lenses\Aqua blue plate contact lenses

one Hard mirror: PMMA polymethyl methacrylate was invented in 1934; 1947 PMMA was used to produce the first all-plastic contact lenses. Advantages: better corrected vision, long lens life; Disadvantages: brittleness, poor air permeability, strong foreign body sensation.
2. Soft mirror: PHEMA was discovered in 1960. The first pair of soft contact lenses (Otto Wichterle, father of the soft lens); Approved by the FDA in 1971. Advantages: soft, oxygen permeable, comfortable, no foreign body sensation; Disadvantages: easy adsorption precipitation, short life.
3. Air permeable hard lens (RGP) : born in 1970, Polycon was patented in 1972, the material is mainly made of PMMA and silicone polymerization. Advantages: good oxygen permeability, lower hardness than PMMA; Cons: Lack of comfort.以上翻译结果来自有道神经网络翻译（YNMT）· 通用场景

November 30, 2024