polycarbonate lenses vs plastic
We are happy to announce that we have totally re-vamped our site to make it more accessible for our customers. Thanks for listening and I hope you enjoyed the video and I'll see you on the next one. So, polycarbonate lenses vs plastic or glass? May 25, 2018, Weekly Educational Vlog- Benefits of Anti-Glare Coating Are resin or plastic fillings safe. Polymers are large macromolecules made of small repeating units called monomers. Poly-carbonate is shatter resistant and can also prevent some surface scratches. I think you will definitely notice that difference. PLASTIC VEINS. A light, impact-resistant material that is 25% thinner and 30% lighter than standard plastic (CR39) lenses, and 10 times more impact resistant than standard plastic lenses. If you have any questions, send us a message here. The key difference between polycarbonate and plastic is that polycarbonates are lighter but, much stronger than plastic.. Polycarbonate and plastic are polymer materials. And polycarbonate lenses are 10 times impact-resistant than common plastic lenses. Polycarbonate lenses are made of a type of plastic that is more impact-resistant than standard plastic lenses. www.myvisbox.comComparing Plastic and Polycarbonate Lenses for Glasses by our in house Optometrist Dr. Alex. ← Older Post You must know that the polycarbonate lens has slightly different refraction properties than plastic or glass lenses, this due the material properties, so, sometimes you can feel this differences as . It covers the same prescription range as the 1.57 polycarbonate composite and 1.53 Trivex lenses, -4.00/+2.00 or lower on the SPH and +/- 6.00 or lower on the CYL. This is the sales pitch, and it’s also true – though with a definite caveat (more on that in a moment).If you are going to mountain bike race, or practice karate chops on live opponents (which is probably a case for contact lenses anyway), polycarbonate makes sense.But 10x more impact resistant is a bit misleading.A CR-39 lens is quite impact resistant. In this article, we are going to be discussing specifically plastic and polycarbonate eyeglasses and the major differences between both lens materials. This then makes it crucial for you to make the right decision or risk ending up with an ineffective item. This gives Trivex lenses the advantage of crisper optics than injection-moulded polycarbonate lenses, according to PPG. Polycarbonate lenses include both 100% UV protection and anti-scratch coating. Since the introduction and use of Plastic lenses (also known as CR-39), it has sealed its mark as the most preferred choice in the optical industry. Polycarbonate lenses are much lighter in weight than plastic lenses. It was seen as a lens material with lots of potential for optimal optical success though it did not gain traction due to three main issues: Surfacing Problems: Surfacing is the process of placing a prescription onto a polycarbonate lens and preparing its surface before it is cut for the glass frame. Here are some few differences between both lenses to determine which one is better: The decision between a plastic or polycarbonate lens should be made based on personal preference, cost, weight, durability, impact, and scratch resistance. Polycarbonate lenses are thin, lightweight, and incredibly impact resistant. Polycarbonate vs. Trivex lenses: A quick comparison Our expert team have vast years of working experience in the optical industry and can help guide you through the decision making process. Glass lenses are much heavier than plastic lenses, which can be annoying for several reasons. In this case, choosing a plastic eyeglass lens or high index lens would be much better. Eye lens discoloration or spots on eye lens. And consult the optician if they are polycarbonate lenses. Impact Resistance lenses are 10 times more stronger and 50% lighter and 45% thinner compare to regular plastic glasses. Luckily, glasses wearers have options – Glass, Plastic CR-39, Polycarbonate, High-index 1.67, and High-index 1.74. They are more than 10-times more impact resistant than your average plastic or glass lens. If you are shopping for a new eyeglass be sure to find out the lens materials available. I hope you enjoy it. I generally recommended people with prescriptions anywhere between +/-0.50 to +/-4.00 to go with polycarbonate lenses. You have progressive lenses; which is more sensitive to refraction (multiple diopters in … And Then Came Poly Polycarbonate is still lighter, and can be made in higher index – meaning that a strong prescription lens can still be quite thin. 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