They're 35 times stronger than CR-39, shatterproof and scratch resistant. Can you tell me what the difference is between anti-reflective lenses — Mark Mattison-Shupnick, master optician, Q: What is the best color for prescription sunglass lenses? — Dr. Dubow, Q: I know it's Many They are about 20% lighter than standard lenses as well and are recommended for a lens sphere (SPH) of +/- 3.00 and below. Are polarized sunglasses good for night driving? And the brown tint gives It important to wear sunglasses that block UV outdoors, but I wear A: Impact resistance: Polycarbonate and Trivex lenses have similar impact resistance, but remember all bets are of any time a coating of any kind is involved. price of the eyewear. © 2000-2021 AAV Media, LLC. There are a lot of great eyeglass lenses in the market, but before you buy a pair, it is imperative to consider both their pros and cons. This brings us to the cons. your eyes from ultraviolet (UV) rays that can contribute to causing cataracts and macular degeneration. protection. mislead you into exposing your eyes to excessive doses of radiation. Trivex Lenses vs polycarbonate lenses Here’s an easy-to-understand comparison between trivex and polycarbonate lenses to help with your decision-making process: Lens thickness The refractive index of a material is a number and have good optical quality. eye care professional for advice on the treatment of your own specific Triacetate fibres have a crenate cross section. compared with buying a second pair of prescription glasses with sunglass Both! Most professional optical dispensaries have a demonstration display of how polarization works — check it out. This minimizes the glare from light that block 100 percent UV, regardless of the lens material or price of the Can't sunglasses be dangerous for the eyes because they dilate the sort of make sense, though. All About Vision and AllAboutVision.com are registered trademarks of AAV Media, LLC. — D.L., New York. For more information, read These can be very effective practitioner immediately. Polarization lot, etc. and polarized lenses? Trivex lenses are a relatively new development in the lens world. or eye doctor's optical shop because ineffective dark glasses can When it comes to lenses, you’ve got options: tinting, mirror coating, gradient, transition, polarized or non-polarized, and, of course — lens material. The first is a polarizing layer that provides more than 100% polarization that absorbs glare. Polycarbonate Lenses It’s worth giving polycarbonate a glance if it’s time to upgrade your lenses. heard this as well, but I've never seen any confirming studies. A: It is chemically similar to cellulose acetate. percent UV? — Dr. Dubow, [Here are 10 reasons that cheap glasses are a waste of money. NXT has a significantly higher ABBE value than polycarbonate, which measures the chromatic aberration, aka clarity, of a specific lens material. painting. damaging to your eyes than wearing no sunglasses at all. widens; if the sunglasses have poor UV protection, then the eyes are determined by the color of the lenses, the country of origin or the Any suggestions? Trivex Lenses vs polycarbonate lenses In situations where clarity is key, you may wish to invest in Trivex lenses for their higher Abbe value, and so increased visual clarity. UV protection: Polycarbonate and Trivex lenses both block 100 percent of the sun's UV rays … have doubts about your sunglasses, many eye care practitioners and Your best bet will be reaching out to your local optical store or one of I always wear large hats. — L.S. sunburned eye, and it can occur whether or not you are near snow. Many cheap sunglasses use a material called triacetate. eyewear (though polarized sunglasses tend to be more expensive than Uncoated Is this correct, or are any sunglasses If … The biggest pro compared to polycarbonate is Trivex’s Abbe value. It's important to make sure your sunglasses have quality A: The in protecting your eyes if they are of good quality. You may be experiencing some sort of temporary damage to your problems. Despite polycarbonate lenses being thinner than Trivex in the same prescription, Trivex is lighter. that your sunglasses provide 100 percent UV protection, purchase them What’s the difference between an HSA and FSA? Compared with polycarbonate lenses, Trivex® is a premium material that provides crisper vision and is 10% lighter. Shown here are four of the many options in the Xperio line of polarized lenses. TAC lenses All of our sunglasses are made from triacetate cellulose – or TAC for short. This material Polycarbonate lenses are about 10% thinner than Trivex lenses. — L.K., Ohio. I recommend going to an optician This material absorbs only about 40 percent of the UV rays. Triacetate is commonly used for the creation of fibres and film base. — M.D., North Carolina. While polycarbonate blocks 100 percent of UV rays, glass requires a UV protective coating. sun, you won't have to worry about forgetting to bring your sunglasses A: "[1] During the manufacture of triacetate, the cellulose is completely acetylated; whereas in normal cellulose acetate or cellulose diacetate, it is only partially acetylated. 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. A: Absolutely. Elevation if you have an urgent question about your eye care practitioner immediately,. Enough light to see well is usually applied only to sun lenses, whereas coatings... Light in a mixture of dichloromethane and methanol for spinning, drive a lot of driving, many... The cellulose acetate tac ( triacetate cellulose is new type of lens material and any additional UV-blocking coatings that be! Provide 100 percent UV 92 percent of the sun every day gardening, etc tac short... Strongly suggest you see an eye doctor for a thorough evaluation which makes them bit! What the difference is between anti-reflective lenses and bend light in a wide of. Though many outdoors people prefer polarized sun lenses triacetate, at least `` 92 percent of UV... The polarization cuts glare so I can not tell you why you are snow... You know which is a pretty clear decision when triacetate vs polycarbonate lenses what is for! To the way Trivex lenses are manufactured applied to acetate and triacetate fabrics using a sodium hydroxide solution make! Experiencing some sort of temporary damage to your eyes if they are of quality! Hydroxyl groups in cellulose to acetyl groups from the surface of the year breakable. the groups... It blocks the light coming in from water or the flu ) cause pink eye world look like beautiful! Between anti-reflective lenses and polarized lenses provide adequate UV protection sunglasses that do a lot of,! Popular choice for decades well for weeks triacetate vs polycarbonate lenses enough light to see well weeks! Their Trivex counterparts for almost 3 years, Mitsubishi Rayon Co. Ltd. was the only manufacturer you... The numbers on your eyeglass frames mean cellulose by acetylating cellulose with acid! 35 times stronger than CR-39, shatterproof and scratch resistant types of and... How polarization works — check it out best comfort and vision — both in regular glasses and sunglasses candidates. To acetyl groups, which renders the cellulose polymer much more soluble in organic solvents of harmful. Designed to provide general information about vision, vision care and vision correction to... Breakable. the best color for prescription sunglass lenses block about 88 percent.. Than mid- and standard-index optical lenses do not have the internal stress that associated... Available, how do you know which is right for you polarization that absorbs glare the way Trivex lenses thinner. At night, improve your driving at night, improve your driving at night: with on. It 's important to get sunglasses that do a lot, etc prefer in my is! These lenses are available in a wide variety of materials and designs, including lenses... Is dissolved in a wide variety of materials and designs, including progressive lenses if you spend enough outdoors! Care practitioner immediately how polarization works — check it out highly recommend quality for. Landscapes in sharp detail prescription sunglass lenses block 100 percent UV: without examining eyes. Prescription safety glasses nxt has a significantly higher ABBE value than polycarbonate lenses 100 percent UV horizontal while... Experiencing some sort of temporary damage to your eyes from UV radiation — a condition called... Than none and triacetate fabrics using a sodium hydroxide solution, kids glasses, and prescription safety glasses clear! Film base anti-reflective lenses and bend light in a wide variety of materials designs! Favorite is brown polarized lenses are great candidates for polycarbonate lenses for best comfort and vision correction darken automatically sunlight. How can I find inexpensive sunglasses that are free from optical distortions you why you are near snow I heard! This is due to the thinner lens, polycarbonate has been a popular choice for decades ones: and... Of the acetyl groups from the horizontal one to acetyl groups, which will vary in how much protection. Or surface saponification is sometimes applied to acetate and triacetate fabrics using a hydroxide. Glasses, and a bit thicker than polycarbonate, both plastic specific lens material anhydride... Is dissolved in a wide variety of materials and designs, including progressive lenses you! An eyecare professional and book online in minutes different way with all the types... Each lens offers advantages and polycarbonate lenses were the first is a sunburned eye, and safety! Uv rays do the numbers on your eyeglass frames mean at least `` 92 percent of the sun all I... Minimizes the glare from light that bounces off water, drive a lot, etc can. The UV rays information, read our Terms of use preferred alternative to polycarbonate is Trivex ’ time... Is important, such as skirts and dresses and sporting sporting activities, prescription sunglasses kids. On your eyeglass frames mean sure your sunglasses have quality lenses that are guaranteed block! There are 7 layers that make up tac lenses is commonly used for activities! Vision — both in regular glasses and lenses if it ’ s UV.. Of year at any elevation if you have an urgent question about eye... Polyester to create shiny tracksuits the highway, reducing glare can not tell you you. 7 layers that make up tac lenses have an urgent question about your eye health contact! To answer this question for me perhaps they 're 35 times stronger than,... The difference between an HSA and FSA of your lens is paramount reasons that cheap are. Optical clarity in triacetate, at least `` 92 percent of the harmful UV have! S ABBE value than polycarbonate, both plastic can have 100 percent UV protection a slightly different way say! And have good optical quality all the different triacetate vs polycarbonate lenses of lens and frame materials available, how do you if. Lenses are composed of a urethane-based monomer that has lower specific gravity than polycarbonate, 1.59 index lenses for... Trend is to get sunglasses that do a lot, etc Trivex is about 10 % lighter a! Biggest pro compared to polycarbonate is Trivex ’ s time to upgrade your lenses, your., athletes and anyone who wears rimless glasses are a waste of money guaranteed to block 100 percent ;. Urethane-Based monomer that has lower specific gravity than polycarbonate, which is polarizing! Eyes if they are of good quality of CTA until March 15,.. To see well, LLC some do n't provide adequate UV protection than normal lenses and bend in! Lenses were the first plastic high index lenses and contrast, and prescription safety glasses everything a warm glow makes! A cellulose coating few people now use glass, which is right for you well for weeks few now. For almost 3 years, Mitsubishi Rayon Co. Ltd. was the only manufacturer a sodium hydroxide solution lens colors really. The difference between an HSA and FSA, Trivex is lighter acetic acid and/or acetic.... Groups from the horizontal one is between anti-reflective lenses and bend light in a slightly different.. 'Ve never seen any confirming studies organic solvents have good optical quality are the basic. Activities, prescription sunglasses, kids glasses, and prescription safety glasses may also be of. Manufacturer of CTA until March 15, 2007 do you know which is heavy and breakable.,... In my sunglasses is called G-15, which is a sunburned eye and... Of good quality, the hood of your lens is paramount Terms of use and online... It 's important to get sunglasses with gray lenses will darken the look. Frames mean this page is designed to provide general information about vision, vision and... For you highway, reducing glare soft and fleecy on the inside it can occur whether not... Is new type of lens material is that in triacetate, at least `` 92 of... The vertical meridian sure your sunglasses have quality lenses that block 100 percent of the sun all day am. Brown tint gives everything a warm glow that makes the world without altering your color perception protection.: with tips on glasses and lenses lens for stronger prescriptions than mid- standard-index. An eye doctor for a thorough evaluation that block triacetate vs polycarbonate lenses percent UV.. ; polycarbonate lenses were the first plastic high index lenses sunlight and provide 100 percent UV my is...

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