I haven't heard of coatings delaminating in a kitchen, though leaving them on the dash of your car on a hot day can certainly do that.Happy seeing. :). But you should go with this option more if you are in artificial lights all day, such as an office or in front of a computer all day. Cookies help us deliver our Services. They reduce UV-A and UV-B rays from coming at your eyes at 100% density. So, It is a good idea to try them. The Sphera, for me, is very comfortable, has a gigantic field of view, and the plastic lenses compress with depth. Polycarbonate lenses are made by injection molding. But then you'd know if polcarbonate works for you. It also scratches really easily, even with antiscratch on top. Press question mark to learn the rest of the keyboard shortcuts. The key difference between polycarbonate and plastic is that polycarbonates are lighter but, much stronger than plastic.. Polycarbonate and plastic are polymer materials. Lets talk about the 2 most popular options. We often found lenses which were scratch coated would scratch more easily than the same lens without. Thanks! So I can say, yes, polycarbonate lenses are better than plastic lenses. So, It is a good idea to try them. I personally prefer plastic lenses over glass for 2 reasons. Well, plastic lenses are our basic lens. Will there be any noticeable visual distortion? Also, if anyone tries to sell you on anti-scratch or lenses that are 'scratch-proof', these lenses do not exist. It is also found in eyeglass lenses, compact discs, dental sealants, and plastic dinnerware. Made of a material similar to standard plastic, but are lighter in weight and thinner… 7 Ways to Tell if Your Glasses Lenses are Made of Plastic or Glass. Polycarbonate lenses are less likely to fracture than plastic lenses or hi-index, so they are a great option kids’ glasses. Polycarbonate lenses are also lighter in weight than traditional glass lenses, cost about the same, offer UV eye protection and can be coated to help prevent scratching. The one who wins is you. I visited several optometrists recently and several said that if I wish to have glasses with somewhat large frame, then I would need hi-index because there would be a fish-bowl effect or visual distortion, whereas if I had smaller frames then I could stick with poly. It depends on your habits use for the spectacle. Polycarbonate plastic is long-lasting, impact-resistant, and clear. They’re also ideal for strong prescriptions since they do not add thickness when correcting vision, minimizing any distortion. Thank you for the detailed response! They are more than 10-times more impact resistant than your average plastic or glass lens. They cut the glare significantly on the monitor and overhead lights, lessening eye fatigue. You certainly don't NEED to go with hi index.The bigger the frame, the thicker the edges of the lenses will be with a minus prescription, and those are pretty big frames. Don't be fooled. Essilor’s polycarbonate lenses are 20% thinner, 30% lighter, and 12x more impact resistant than standard plastic lenses. 1 doctor answer. 7 Ways to Tell if Your Glasses Lenses are Made of Plastic or Glass. Plastic Vs Polycarbonate Lenses- Which One Is Better? The polycarbonate lens is an upgraded option. I'm guessing this is bad? Besides, the polycarbonate lenses have UV protection themselves. They are comparable to glasses I have paid $600 for. Despite being very careful, my lenses get scratched and dinged worse than a new car in a Walmart parking lot. To answer these questions, the Team at Randolph got their heads together and came up with the following. Impact-resistant Lenses. Polycarbonate lenses: No doubt, polycarbonate lenses have become the standard of branded safety glasses, sunglasses, and goggles. Learn more about how to choose between polycarbonate vs. acrylic. At least twice the weight of plastic or polycarbonate lenses. -- comments? :) Polycarb is amazing overall. Anyone have a take on the overseas sources (e.g., Zenni Optical)? TMEN. TMEN. Unfortunately though it is rather heavy, and also can shatter relatively easily. Or is that not enough heat to cause problems? I know I'm getting greedy, but will appreciate your advice! Second, is the weight. As someone who too works in a lens manufacturing lab I can confirm all the above. Creators use a mold to construct the lenses in much the same way regular plastic lenses for glasses are made. polycarbonate lenses Polycarbonate Lenses are the most durable of all lenses. Polycarbonate lenses 1.59: These lenses are thinner and lighter than conventional plastic eyeglass lenses. Width and Weight. Polycarbonate lenses have a higher index of refraction (1.586) than CR-39 plastic (1.498) and are therefore thinner in an equal lens prescription. To answer these questions, the Team at Randolph got their heads together and came up with the following. These lenses are a fine choice for rimless eyeglasses as they are attached with frames through drill mounting. This translates to a lens that is around 10% thinner. What it does effect (between the Polycarbonate and CR-39, or "plastic" lenses, as most places call it) there is a a larger advantage to choosing polycarbonate lenses over plastic. One of the most popular plastic materials used is … If the money matters to you, you could try getting polcarbonate lenses, which most people would be fine with, and then upgrading to high index if you dislike them, although that upgrade would cost more money. About 25 to 40 percent thicker than polycarbonate and high index plastic lenses. The polycarbonate lens is an upgraded option. Can shatter or chip easier than lenses made of other materials. Dr. Michael Rizen answered. I recommend anti-glare/reflection coatings to everyone. The monomers of plastic depend on the type of plastic; there are two … A lot of patients that go to our website, they see that we offer Plastic Lenses, Polycarbonate Lenses and Hi-Index Lenses. Polycarbonate lenses have an index of refraction of 1.59, and will generally be about 20% thinner than standard plastic lenses. Impact-resistant Lenses. Besides, the polycarbonate lenses have UV protection themselves. I understand that you've done exactly that in your comment, but I couldn't get an idea of how complete that list is, and I also got confused with CR-39, Polycarbonate, etc. This is the sales pitch, and it’s also true – though with a definite caveat (more on that in a moment). polycarbonate vs plastic lenses best for high myope? Your best bet will be reaching out to your local optical store or one of our friendly opticians. :(Nah, j/k. New comments cannot be posted and votes cannot be cast. It’s not a matter of polycarbonate vs plastic, but rather who uses the best grade and type of polycarbonate, how they refine it, and what the final product looks and feels like in the hand. If the price difference isn't too big of a deal, you might as well get high index, as it's a better lens in most cases. polycarbonate lenses Polycarbonate Lenses are the most durable of all lenses. It’s unavailable as a polarized or photochromic lens. They do have more chromatic aberration though. These questions, the Team at Randolph got their heads together and came up the! Lens polycarbonate vs plastic lenses reddit lab i can confirm all the above degrade the quality of the it. Are doing sports with high impact risk like tennis or squash, it is more... Michael Rizen: probably polycarb: polycarbonate lenses have UV protection `` polycarbonate vs lenses. 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