RGP is a highly breathable hard contact lens that allows your cornea to breathe and breathe, giving you good vision and a clearer view, and slowing or controlling myopia progression with long-term wear. Compared to traditional contact lens materials, PolymerTech Corp. has improved breathability, wettability and anti-precipitation, while ensuring the safety and comfort of the lenses. The characteristics of daily wear RGP 1, oxygen permeability value is 5-10 times that of soft lenses, suitable for long time wearing lenses, not easy to cause glasses lack of oxygen and the phenomenon of eye redness, eye dryness. 2.Dirt and protein in tears are not easily adsorbed on the lens, avoiding complications such as conjunctivitis and keratitis. 3. The lens sliding degree is moderate, so that the tear exchange is even, and the bacteria in the eye is not easy to breed. 4., effectively control the development of myopia in adolescents. 5. Suitable for a wide range of people: myopia, hyperopia, astigmatism, cone cornea, aphakic eyes, etc. 6. Higher visual quality for astigmatism correction. Lens type 1.Conventional RGP is suitable for myopia, farsightedness, low to medium astigmatism, aphakia, etc. 2.RGP with double astigmatism is suitable for people with high corneal astigmatism (astigmatism more than 2.50D) 3.RGP with cone cornea is suitable for people with cone cornea 4.RGP with progressive multifocal is suitable for people with presbyopia (ADD around 1.50D) 5.RGP with keratoplasty can reduce myopia and is suitable for people with low to medium myopia. It is suitable for people with low to medium myopia and can provide good naked eye vision without wearing glasses or contact lenses during the day.