If you don’t have a warranty, you can try buffing out any scratches by rubbing a cloth with toothpaste in a circular motion over them. The cost of polycarbonate and Trivex lenses can vary considerably, but many optometrist charge more for Trivex lenses than polycarbonate lenses. This combination of lightweight comfort, UV protection and impact resistance also makes these lenses an excellent choice for children's glasses and safety glasses. 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. Your eye doctor can also provide more information on any specific questions you may have.

Your optician can discuss the pros and cons of polycarbonate and Trivex lenses, and help you decide which lens material is the best choice for your needs and budget. Eye refraction and function: How does the eye work? Your Rights Are Clear.” Consumer Information, 13 Mar. Trivex has a slightly lower specific gravity than polycarbonate, making Trivex lenses about 10 percent lighter than polycarbonate lenses. Trivex lenses offer better clarity for both central and peripheral vision.

“Polycarbonate Lenses.” Image Eyecare Optometry, www.imageeyecare.com/glasses-boutique/prescription-eyeglasses/polycarbonate-lenses/. However, Trivex is about 10% lighter than polycarbonate. How to Remove Scratches on Eye Glasses, www.glassescrafter.com/information/remove-scratches-on-eyeglasses.html. As they are far less likely to fracture than regular plastic lenses, polycarbonate lenses also are a good choice for rimless eye-wear designs where the lenses are attached to the frame components with drill mountings. “Buying Prescription Eyeglasses? 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. Polycarbonate and Trivex lenses both will provide clearer, more comfortable vision if an anti-reflection (AR) coating is applied. This gives Trivex lenses the advantage of crisper optics than injection-moulded polycarbonate lenses, according to PPG. Sueq. The same goes for removing scratches on most eyewear. They also have good UV protection and a higher refractive index than CR39. Polycarbonate and Trivex lenses both block 100 percent of the sun's UV rays without the need for special UV-blocking lens coatings. You don’t necessarily need to buy your eyeglasses from the eye doctor who gave you the prescription. Polycarbonate Lenses Advantages & Disadvantages.
Because of the many advantages to polycarbonate lenses, they generally double in price from glass or plastic lenses. This makes them an optimal choice for people with active lifestyles who are more prone to dropping or scratching their eyeglasses. An eye exam from your optician will help you to determine your eye health and the best lens type for your eyewear. They provide extra safety for your eyes without sacrificing comfort or fit. 365-day warranty at GlassesUSA. Polycarbonate and Trivex lenses have comparable impact resistance.

G., - Robert, et al. In a lens manufacturing process called injection molding, the pellets are heated until they melt. Specialty eyewear: Work, driving and safety glasses, Reading glasses: What to know before buying, No-line multifocal progressive lenses for a younger you, Polycarbonate lenses: Advantages and disadvantages, Best places to buy eyeglasses/where to buy, Kids’ glasses: 10 tips for buying children’s eyewear, How to find great glasses at a bargain price, How to choose the best glasses for your face shape, Glasses that suit your personality and lifestyle, Performance sports sunglasses: See better, play better, Best sunglasses for ultraviolet (UV) eye protection, Prescription sunglasses: A guide to the best lenses, Facts about sunglasses: A FAQ and buying guide, Polarised sunglasses: Best for reducing glare, Designer and fashion sunglasses: Look like a celebrity, Non-prescription sunglasses: What to know before buying, Buying kids' sunglasses? “What Are Trivex Lenses?” ICare Family Vision, ICare Family Vision, 9 Jan. 2018, www.icarefamilyvision.com/blog/2018/1/9/what-are-trivex-lenses. We encourage our readers to consider supporting these humanitarian eye care non-profit organizations. Tinted lens sunglasses: Which colour is right? Most other plastic lenses are made from a cast molding process, where a liquid plastic material is baked for long periods in lens forms, solidifying the liquid plastic to create a lens.

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. “Polycarbonate Lenses.” Pikes Peak Eye Care, www.pikespeakeyecare.com/eyeglasses-contacts/prescription-eyeglasses/polycarbonate-lenses/. When eye safety is a concern, polycarbonate or Trivex lenses usually are the best choice for your glasses, sunglasses, and sports eyewear. UV Protection. 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.

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