Protective sports eyewear is manufactured using polycarbonate lenses, an impact-resistant lens material. Polycarbonate is the safest lens option for sports with flying and fast paced objects. Most polycarbonate lenses likewise have built-in ultraviolet protection and scratch-resistant coating for additional durability. Polycarbonate eyeglass lenses certainly are a type of high-index lens which are also scratch and…
Your professional optician can discuss the pros and cons of polycarbonate and Trivex lenses in order to decide which lens material is the best choice to your requirements and budget. Trivex lenses have a higher Abbe value and may produce sharper peripheral vision with less chromatic aberration than polycarbonate lenses. Trivex lenses have less internal…
You have to make certain the couple of glass lenses you buy have that additional coating to protect your eyes from UV rays. First, polycarbonate lenses are incredibly resistant with regards to impacts. Its density makes it easy to crack or shatter, so it’s much less appropriate for frame features like rimless or semi-rimless and…
The different types of lens material vary in their weight, flexibility, durability, thickness, scratch resistance, etc. Polycarbonate lenses are not as clear as glass lenses, but the difference is not really significant to most people. These lenses aren’t scratch resistant like glass, so that it does need an additional scratch-resistant layer. The impact protection on…
PPG Industries adapted the technology for the optical industry. The material was given the name “Trivex” because of its three main properties which are good optics, lightweight, and strength. Your professional optician can discuss the pros and cons of polycarbonate and Trivex lenses so that you can decide which lens material is the better choice…
Polycarbonate is continuing to grow in popularity, and contains many useful properties for the safety of your eyes. Trivex does not require the application of a UV coating because it naturally blocks nearly all UV rays. Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Whenever choosing your…
An eye exam from your optician will assist you to determine your eye health insurance and the best lens type for your eyewear. You don’t necessarily have to purchase your eyeglasses from the eye doctor who gave you the prescription. The Federal Trade Commission’s Eyeglass Rule ensures that your doctor offers you your prescription at…
Polycarbonate lenses are much lighter in weight than plastic lenses. This flexibility also means polycarbonate and Trivex lenses require a scratch-resistant coating to avoid surface scratches. Today’s modern scratch-resistant coatings can make the surface of polycarbonate and Trivex lenses nearly as hard as glass. Polycarbonate and Trivex lenses both block completely of the sun’s Ultra…
In the event that you choose CR-39 lenses you commonly discover that UV-protection comes at an extra cost because, unlike polycarbonate, they aren’t inherently UV-protected. When you need safety eyewear, poly lenses are a great option due to their flexible nature. Eyeglasses made of polycarbonate can withstand stress, especially in situations that could damage your…
original brownish polycarbonate tint was improved to “glass-clear.” So-called “theft-proof” large plastic packaging for smaller sized items, which cannot be opened by hand, is typically made from polycarbonate. Polycarbonate has a glass transition temperature of about 147 °C (297 °F), so it softens gradually above this point and flows above about 155 °C (311 °F)….