Polycarbonate has a higher index of refraction than Trivex (1.58 vs. 1.53), so polycarbonate lenses are about 10 percent thinner than Trivex lenses. Weight Trivex has a lower specific gravity than polycarbonate, making Trivex lenses about 10 percent lighter than polycarbonate lenses. Optical clarity (central) See more Polycarbonate was developed in the 1970s for aerospace applications and is currently used for the helmet visors of astronauts and for … See more Despite its many advantages, polycarbonate isn't the only lens material suitable for safety applications and children's eyewear. Trivex lenses were introduced in 2001 … See more Here is a brief comparison of polycarbonate and Trivex lenses to help you decide which lenses might be best for you: See more WebBecause polycarbonate lenses are so thin, they often have low Abbe value and high dispersion levels. Not right for all prescriptions Polycarbonate lenses can accommodate prescription strengths up to +/-4.00. People with especially high prescriptions (+/-4.25 and higher) may have visual distortions with the lenses.
Polycarbonate vs Trivex: Glasses lens material All About Vision
WebAug 8, 2024 · Pros and Cons of Polycarbonate Lenses Pros More Impact-resistance 20-35% thinner than plastic and glass Lightweight – 20% lighter than plastic, substantially lighter than glass Built-in 100% UV Protection … WebFeb 27, 2024 · When eye safety is a concern, polycarbonate or Trivex lenses usually are the best choice for your eyeglasses, sunglasses and sports eyewear. These lenses are significantly more impact-resistant … cheweth
Glass or Plastic: Which Type of Lens Should You Choose?
WebNov 8, 2024 · There are many pros and cons of polycarbonate lenses, but the main thing to keep in mind is that they can block nearly 100% UV. This material is a durable, lightweight one that offers excellent protection against ultraviolet radiation and scratches. It also provides an anti-reflective surface. WebNov 26, 2024 · Durability. Blue light filtering. Potentially protecting your eyes more than regular lenses. Cons include: Higher cost. Fewer retailers carry these lenses. Your optometrist or other eye care professional may recommend Crizal lenses if you work in front of a computer all day. WebAug 14, 2024 · Pros and Cons of Polycarbonate Lenses Pros Super Impact-resistance 20-35% thinner than plastic and glass Lightweight – … chewesky bridge