What is the difference between plastic and polycarbonate lenses?
However, there is a major disadvantage of using plastic lenses as well. Plastic lenses might resist scratches but they are susceptible to getting cracked. They could shatter if struck properly,especially during sports or buttoning a shirt. Polycarbonate lenses are always recommended for children due to their impact-resistant properties. This lens type can be suggested if you will undoubtedly be making use of your glasses for sporting activities. Plastic lenses have the best abbe value of any plastic lens.
- Trivex is another lightweight, impact-resistant material for eyeglass lenses.
- They could shatter if struck properly,especially during sports or buttoning a shirt.
- Eyeglasses made out of this popular material are much lighter than traditional glass lenses.
- Today, this material has been the standard for safety glasses, sports glasses and children’s eyeglasses.
- To find the best eye protection at work and during sports, make sure to also spend money on high-quality safety frames or frames designed designed for sport eyeglasses.
It is also one of the most popular lens materials in the whole eyewear industry. Furthermore, these features position polycarbonates between commodity plastic and engineering plastic. These are conventional plastic material lenses with a refractive index of just one 1.498 which have been trusted since their introduction in 1947. One of the biggest benefits of this lens is its affordability. In addition, it provides good optical clarity and is easy to tint.
While glass was the only real choice in the early days of vision correction, it poses a few problems. Glass lenses work at improving vision, but they’re heavy and easy to break. Today, technology has improved and given us many more options, so glass is not any longer trusted for lenses. Polycarbonate bends light more efficiently than conventional plastic material. Subsequently, lenses made of polycarbonate will undoubtedly be overall thinner than lenses manufactured from a conventional plastic material. Stay on the surface of the latest news about prescription safety glasses, eyewear, sunglasses, and all the trends in the market. This flexibility also means polycarbonate and Trivex lenses require a scratch-resistant coating to avoid surface scratches.
I recommend that to everyone of my patients in my own practice, I would recommend it to everyone of our patients who’s buying on our website. So really consider doing the upgrade for the polycarbonate lenses. Because of these properties, it is the lens material of preference for children’s lenses, sports lenses, and safety lenses. Polycarbonate lenses are also much thinner and much lighter. Polycarbonate lenses are slightly more expensive than standard plastic lenses. However, since they have UV protection built-in, there is no need to cover added protection.
Polycarbonate lenses tend to be expensive than traditional plastic glasses and other eyewear, including some contacts. In fact, as a result of high index plastic lens material, they can cost about two times a lot more than plastic lenses. Abbe value measures the dispersion of light for different eyeglass lens materials. When you’re choosing eyeglass lens materials, additionally, there are some features or enhancements that you might want to consider. Eyeglass lens material doesn’t change the corrective power of your glasses.
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If you’re like most customers, less weight could be more vital that you you than slightly thinner lenses. For example, if a polycarbonate lens requires 2 millimeters of material to refract light, high-index may only need 1 millimeter. Eyeglass lenses are often categorized by their refractive index . So, in this post, we will concentrate on the polycarbonate lens and the plastic lens. In the following section, you can find some detailed information.
When you want to select a set of glasses, you need to consider the benefits and drawbacks of the lens materials. They vary in weight, flexibility, thickness, scratch resistance, and so on. Different lens materials may also affect your vision and appearance. So, it is necessary for you yourself to make the proper decision and select a pair of right…
Lightweight lenses are even more of a benefit for farsighted prescriptions, which can make conventional lenses very heavy. That’s precisely one of many differences between both types of lenses. Plastic is much lighter than glass, making it convenient to wear all day and limiting the glasses’ tendency to slide down your nose. Polycarbonate and Trivex lenses both block completely of the sun’s Ultra violet rays without the need for special UV-blocking lens coatings. Polycarbonate and Trivex lenses have comparable impact resistance.
Polycarbonate lenses are another type of plastic material. Introduced in the 1980s, they’re incredibly lightweight and about 20% thinner than regular plastic lenses. Polycarbonate lenses have outstanding impact-resistant properties, this means they don’t shatter into tiny pieces making them safe and a choice for the wearer. It provides increased protection to the wearer from eye damage or injury because of shattered eyeglass pieces.
