Still, the commercialization of polycarbonate didn’t happen till 1953, when Hermann Schnell at Bayer Uerdengin Germany patented the initial linear polycarbonate. Be the first to hear about product launches, new hues, and the latest on all things eye care. SunStoggles offer the same defensive ANSI Z87.1 functions as typical Stoggles and all the same great…
Just like polycarbonate, Trivex had not been originally developed to be used in eyewear. It was developed keeping in mind the need for durable military jet windshields along with other similar military applications. In the year 2002, PPG industries developed a chemical process with material to be specifically useful for eye lenses. These vision experts…
Thinner, lighter lenses made of high index materials reflect up to 50% more light than regular glass or plastic lenses (up to 12% of available light). When we educate parents concerning the great things about higher-quality lenses, most parents desire to provide their child with the perfect eyewear. But the the truth is not all…
Polycarbonate lenses are treated with a particular hard coating that make them more resistant to scratches and impact. This is especially helpful for those that get yourself a lot of wear and tear on the glasses, people employed in jobs at high risk for an eye injury, and children. High-index plastic lenses are a pricey…
From progressive lenses to other multifocals, Polycarbonate lenses are available in a wider variety of lens designs in comparison to Trivex lenses. Selecting a small lens size frame is the biggest determinant of lens thickness and weight! Trivex has an abbe value of 43–45, while standard polycarbonate has an abbe value of 30. Trivex lenses…
When you have any questions about adding coatings to your brand-new lenses, consult with an optometrist near you.The more information you have, the easier your decision will be. Anti-fog coatings can be put on CR-39, polycarbonate, high-index and transition lenses. Should you choose scratch your polycarbonate lenses, however, you may have a warranty. Hi-index lens…
Trivex lenses have a higher Abbe value and could produce sharper peripheral vision with less chromatic aberration than polycarbonate lenses. Trivex lenses have less internal stress and may produce sharper central vision than polycarbonate lenses. In order to avoid material degradation, the ideal maximum residence time is between 6 and 12 minutes based on the…
Polycarbonate comes with a coating that allows it to be tinted significantly darker than high-index. A lot of people can’t perceive the color distortion at these levels. For some clarity which lens material is best for you, let’s have a little face-off between your generations-old glass and the young upstart polycarbonate. However, you need to…
An anti-reflective coating is put on eyeglass lenses to lessen the number of internal and external reflections on a lens. This coating increases the level of light transmitted through the lens, which improves the standard of vision. After hard impact, glass lenses may shatter which explains why polycarbonate lenses are used in safety and sports…
These materials are too rough for your lenses and will cause small scratches. Dish towels or other fabrics that may trap dust and particles may also scratch the lenses. Carefully dry the lenses and frame with a clean, lint-free towel. It is just a strong anti-static, anti-fogging method that maintains lenses cleaner much longer while…