Polycarbonate Sunglasses Lenses Polycarbonate plastic lenses are the best bet for individuals who will be movin’ and shakin’ in their sunglasses. 95. They also offer 100 percent protection from the sun's harmful UV light and are up to 10 times more impact-resistant than plastic or glass lenses. Today, polycarbonate lenses have set a completely high standard in eyewear safety. Since then, polycarbonate lenses have become the standard for safety glasses, sports goggles and children's eyewear. In the 1970s, the popularity of polycarbonate grew as NASA started to use it for astronaut helmet visors and space shuttle windshields. There are times you don't want to use them though. They filter 100% of UV rays during daylight and in fluorescent light. Polycarbonate and Trivex lenses both will provide clearer, more comfortable vision if anti-reflective (AR) coating is applied to the lenses. Visual acuity: Is 20/20 (or 6/6) perfect vision? Transitions or Photo chromic: Transition lenses are a great option for people sensitive to sunlight. The polycarbonate lens is an upgraded option. When eye safety is a concern, polycarbonate or Trivex lenses usually are the best choice for your glasses, sunglasses, and sports eyewear. The flexibility enhances impact resistance and helps to make these glasses more comfortable to … Polycarbonate was introduced to the general public in the 1980s as a safe and affordable alternative to the regular plastic eyeglasses. If someone is sensitive to pressure or wants to wear their sunglasses for a prolonged period of time, polycarbonate lenses are recommended. The cost of polycarbonate and Trivex lenses can vary considerably, but many opticians charge more for Trivex lenses than polycarbonate lenses. Due to the strong and impact-resistant material, they are less likely to be damaged. The liquid polycarbonate is then rapidly injected into lens moulds, compressed under high pressure and cooled to form a finished lens product in a matter of minutes. Many Oakley sunglasses use the stress-resistant frame of nylon-infused plastic that the company dubs O-Matter. $40.49 $ 40. Eye refraction and function: How does the eye work? $9.95 $ 9. 5.0 out of 5 stars 2. In a lens manufacturing process called Injection molding, the pellets are heated until they melt. Further, plastic glasses scratch less frequently. Polycarbonate and Trivex lenses both block 100 percent of the sun's UV rays without the need for special UV-blocking lens coatings. Blue eyes: The origin and genetics of blue eyes, How to clean and remove scratches in glasses, Eye and vision problems in preschool children. A lot of patients that go to our website, they see that we offer Plastic Lenses, Polycarbonate Lenses and Hi-Index Lenses. They darken significantly within about a minute of exposure to bright light, and take somewhat longer to clear. Photochromic lenses may be made of glass, polycarbonate, or another plastic. Despite its many advantages, polycarbonate isn't the only lens material suitable for safety applications and children's eyewear. Polarized Sunglasses: Polarized glasses can be worn indoors by people who are sensitive to light, including patients of cataract surgery and those continually exposed to bright light through windows as they reduce glare. Polycarbonate lenses are the best choice for eyeglasses, sunglasses and sports eyewear when the safety of the eye is concerned. Here's what to look for, Guide to buying the best sunglasses for kids, Teens: Choosing sunglasses for a teenage boy or girl, Understanding how to read a contact lens prescription, How to use, put in and remove contact lenses, Lens care: Cleaning, disinfection and storage, LASIK eye surgery recovery & healing time expectations, 8 tips to reduce cataract surgery recovery time, LASIK procedure: A guide for what to expect, Eye and visual acuity tests and the Jaeger eye chart, Preparing for an eye exam: What to expect, Colour blindness tests and types of colour blindness, Macular degeneration: How to cut your risk, How to boost your diet to protect ageing eyes, Ageing eyes: Signs of eye problems in elderly, Red eyes in photos: How to get rid of the red-eye effect, Applying eye drops: A guide on how to put in eye drops. They filter 100% of UV rays during daylight and in fluorescent light. Polarized lenses are an option for sunglasses that can make it easier for you to see in bright light. Find out if polarized glasses are right for you. The Development: Polycarbonate was initially designed for covering cockpits in fighter planes, because it offered an impact-resistant, clear window. That means the security and quality of polycarbonate are guaranteed. These are clear at night or when indoors, and darken when exposed to UV rays. Both polycarbonate and Trivex lenses are thinner and lighter than regular plastic lenses. The liquid polycarbonate is then rapidly injected into lens molds, compressed under high pressure and cooled to form a finished lens product in just about few minutes. Contacts for teens: What age can you wear contacts? AMO sports sunglasses lenses are made from either Trivex NXT® or the very highest grade polycarbonate (manufactured to higher standards than some polycarbonate lenses on the market). Choose from contactless Same Day Delivery, Drive Up and more. The latest hot topics from LifeScript.com. On polarized sunglasses, the filter creates vertical openings for light. Polycarbonate and Trivex lenses have comparable impact resistance. Maui Jim Makaha (My Favorite!) Like polycarbonate lenses, lenses made of Trivex are thin, lightweight and much more impact-resistant than regular plastic or glass lenses. Polycarbonate lenses were the first plastic high index lenses. It also has good UV protection and a higher refractive index than CR39. Plastic Lenses (CR-39) Plastic lenses or also known as CR-39 is the most common optical lens material you will find. Since the refractive index is only 1.49, these types of lenses get very thick, if you need a strong correction. Polycarbonate lenses are tough, shatter-resistant, lightweight and ideal for everyday use. © 2000-2021 AAV Media, LLC. Impact-resistant lenses reduce the number of eye injuries from eyeglasses and sunglasses. While they’re not the thinnest kind of lens out there, they still retain their position as the swiss-army-knife of eyewear lenses. Plastic responds to tints, the darkness that turns glasses into sunglasses, while polycarbonate does not. It's lightweight, durable and can withstand heat and cold without becoming brittle. Dior SoLight Sunglasses: Proof That Oversized Sunnies are Here for Good, Two Must-Have DITA Styles: Braindancer and Symeta Type-403, Oliver Peoples x Cary Grant: A Classic Hollywood Collection. Polycarbonate lenses are available in a wider variety of lens designs (e.g., progressive lenses and other multifocals) than Trivex lenses. Photochromic lenses—those that darken when exposed to direct sunlight—have UV protection embedded in the lenses. Polycarbonate lenses are made by injection moulding. Here is a brief comparison of polycarbonate and Trivex lenses to help you decide which lenses might be best for you: 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. Both polycarbonate and Trivex lenses are thinner and lighter than regular plastic lenses. Eye allergies: Treatment for the relief from itchy and watery eyes, Conjunctivitis: Causes and symptoms of pink eye, Why you need spare contact lenses and glasses, Comprehensive eye exam: What to expect at your eye examination. How do you know if a new-born baby needs glasses? High index advantages are included with every polycarbonate lens so there is never any extra charge for high index when polycarbonate lenses are ordered. Eye allergies: Relief for itchy and watery eyes, How to get rid of a stye: Treatments and remedies, Glaucoma treatment: Drugs, drops and more, Computer eye strain: 10 tips to get relief, Digital devices and children: Protecting their eyes, Hyperopia (long sightedness): How to correct for it. Trivex lenses were introduced in 2001 by PPG Industries. These lenses are a desirable choice for sports personalities, people who work in dangerous job environments, and especially for children. They are more impact resistant than plastic. All Rights Reserved. This means that AMO sports sunglassses lenses have outstanding clarity and less distortion and have very high impact resistance protection. Find an eyecare professional and book online in minutes! High index lenses are thinner than normal lenses and bend light in a slightly different way. Bisphenol-A (BpA) is a starting material in the manufacture of polycarbonate, so there are trace amounts of BpA found in those lenses. Polycarbonate glasses are a safe and affordable option and are a solid choice for anyone who drops their glasses frequently or works in hazardous conditions. When eye safety is a concern, polycarbonate or Trivex lenses usually are the best choice for your eyeglasses, sunglasses and sports eyewear.. Polycarbonate lenses are the best choice for eyeglasses, sunglasses and sports eyewear when the safety of the eye is concerned. They are more than 10-times more impact resistant than your average plastic or glass lens. What are the Lady Gaga Sunglasses in the Movie ‘A Star is Born’. I absolutely love this pair of sunglasses, and I believe it's one of the … FREE Shipping on orders over $25 shipped by Amazon. The winner of … Mosley Tribes Free City Photochromic Sunglasses. Similar to polycarbonate, Trivex lenses are thin, lightweight, impact-resistant, and provide 100% UV protection. Glass lenses, plastic lenses, or laminated glass lenses can be made impact resistant by any method. AR coating eliminates distracting lens reflections that can interfere with vision, particularly when driving at night or in other low-light conditions when glare sources are present. Trivex has a lower specific gravity than polycarbonate, making Trivex lenses about 10 percent lighter than polycarbonate lenses. Darker colors provide higher levels of polarization. This reflection produces an agitating source of glare that ca… Polycarbonate glasses create more distortion than plastic lenses and often cause problems for those prone to distorted vision. Because they are less likely to fracture than regular plastic lenses, polycarbonate lenses also are a good choice for rimless eyewear designs where the lenses are attached to the frame components with drill mountings. The Manufacturing Process: While most plastic lenses are made from Cast molding process, polycarbonate is a thermoplastic that starts as a solid material in the form of small pellets. Stye treatment: How to get rid of a stye with home remedies. They are more impact resistant than plastic. Besides, the material can also prevent UV rays. So, polycarbonate is the idea for making protective glasses. Kushies Kid Size Dupont Rubber Sunglasses with Polycarbonate Lenses. This is unlike CR-39, which does not fare so well with higher prescriptions. Brown eye colour facts: What causes eyes to be brown? This combination of lightweight comfort, UV protection and impact resistance also makes these lenses an excellent choice for children's glasses and safety glasses. Polycarbonate lenses are less likely to fracture and are an ideal choice for people who wear rimless eyeglass frames. This materials are great flexibility and strength. Photochromic lenses are available in both materials. Polycarbonate material was originally made for uses on canopies covering fighter planes and then made its way into space on astronaut visors and space shuttle windshields. 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