If you want to attempt a unique brand or kind of lens, ask your eye doctor which one can be the greatest for you. Marvel, what the best sort of contact lens for your imaginative and prescient downside, way of life, or finances is They’re made from a special kind of plastic combined with water. Plastic eyeglass lenses are about half the load of glass lenses. For these reasons, glass lenses are now not widely used for eyeglasses. In the past 20 years, different sal types of high-index plastic lenses have been launched. They have the next index of refraction and are to be had in an aspheric lens layout. See beneath for more about these. The index of refraction or refractive index of an eyeglass lens material is an indicator of how efficiently the fabric refracts and bends gently.

Polycarbonate is a great lens material for children’s eyeglasses, security glasses, and sports activities eyewear. The first lightweight polycarbonate lenses for safety glasses were introduced in the 1970s. Since then, polycarbonate lenses have surged in reputation. Trivex, a new lightweight and affect-resistant eyeglass lens material, was introduced in 2001. Trivex lenses are an excellent variety of polycarbonate lenses. In addition, they are extra influence-resistant than glass lenses. These lenses are considerably thinner and lighter than standard plastic lenses. The first plastic eyeglass lenses were developed in the 1940s. These lightweight alternate options to glass lenses have been called CR-39 plastic lenses. They’re lighter than standard plastic eyeglass lenses and considerably more influence-resistant optiker bern. Aside from the crown glass, these are all plastic supplies.

They are lightweight and have barely different optical and affect resistance qualities. They’re comparatively cheap and have wonderful optical qualities. The packaging varies from market to market, so you may be wondering why there is packaging with 6 lenses or 2 lenses. Glass lenses supply distinctive optics. In the early days of imaginative and prescient correction, all eyeglass lenses had been made of glass. After you’ve chosen your good pair of lenses and ordered, we will contact your private optician and perform optik bern an RX check to ensure you are 100 suitable to wear a pair of our colorful contact lenses. Disposable, comfortable contact lenses. The major contact lens rebate packages are the Acuvue rebate program, the Alcon rebate program, and the CooperVision rebate program.