Polycarbonate comes with a coating which allows it to be tinted significantly darker than high-index. For example, the latest Transitions technology or polarized color option will be an option for polycarbonate lens material first. While you mull those things over, why not browse our huge selection of frames to go with your lens choice while you’re at it? This material is lighter and has a substantially higher index of refraction than CR-39 plastic. Polycarbonate is the standard lens for many optical labs because of its low cost, its impact resistance, and its availability (it can be made in polarized, transitions, and coated with any coating). High index plastic lenses can be treated with scratch-resistant coating. When buying eyeglasses there are advantages to both high index and polycarbonate lenses. Heavier and less comfortable than high index lenses. These tints are available in a variety of colors including, brown, gray, yellow, red, blue, rose, green, and more. Advantages of High-Index Lenses . Polycarbonate lenses are compatible with almost all popular lens add-on options. If your prescription isn’t quite as extreme (not in the range presented above), polycarbonate is a great choice. We offer a few different indexes on our lenses. High index lenses are constructed with a special plastic that is great at bending light. Oliver is an ABO Certified Optician and has been working in the eye care industry for over 15 years. With prescriptions of this power, the reduced thickness with high-index will make-up for the increased weight. Refractive index refers to the rate at which light bends as it passes through the plastic of the lens. 1-855-393-2891 High-index Lenses This hi-tech plastic lens is designed for people with stronger prescriptions. Copyright 2020 EZContacts.com. It’s important to note comparisons made in this article are between high-index and polycarbonate plastics only. Before making a decision like this, it’s important to understand all the pros and cons of high index lenses Vs polycarbonate. Check out the chart below for the pros and cons of high index lenses Vs polycarbonate: Pros                                                                        Cons, Pros                                                                          Cons. LEARN MORE: THE ESSENTIAL GUIDE TO PRESCRIPTION LENSES. These lenses are super-thin but are also more expensive than the polycarbonate option. Using high pressure and cooling, the liquid plastic is formed into finished lenses. These cost an additional $30. It’s lightweight, strong and the lenses generally cost less. Prescription lenses are designed to refract light according to your prescription. Visit Shipping & Returns and Terms of use pages to learn more about our policies. Translation: high-index is the smart option for stronger prescriptions. So we’ll examine the two most common lens materials here and present the advantages and disadvantages you should be aware of. The higher the number, the thinner the lens. Progressive lenses … Polycarbonate ranks lowest based on a measure of chromatic aberration called “Abbe value,” which indicates how much light a specific material disperses. "polycarbonate vs plastic lenses best for high myope?" We should also think about other lens materials that are available. Can scratch easier than some other materials. It’s for nearsighted (-) single-vision prescriptions only. Instagram @thiccpersephone Style #2018623 1.67 High Index Lense Sunglasses Clip-On in Amber Low ‘abbe value’, which can cause distortions when looking at lights. Polycarbonate lenses also provide you with protection from 100% of the harmful UV rays from the sun. When compared to other lens materials, high-index nor polycarbonate are known to provide the ultimate in optical clarity. This material of lenses will provide the perfect eyeglasses for you. Most high index plastic lenses are made with aspheric designs to optimize both the appearance and the optical performance of the lenses. Subscribe to our newsletter. Most people can’t perceive the color distortion at these levels. Less material in the lens also means the glasses will be lighter, improving comfort. The lenses are a high-index plastic material. 1.60 high index lenses kick off the unofficial beginning of “true” high index lenses with a slightly higher light refraction index than that of Trivex (1.53) and polycarbonate (1.59). Polycarbonate makes sense as an outdoor eyewear material. This material is useful if you live an active lifestyle. Using a high-index lens material—one with an index of refraction ranging from 1.60 to 1.74—can reduce lens thickness and weight, making eyeglasses comfortable and cosmetically appealing. The material is a thermoplastic and begins its life as small, solid pellets. This one’s not a close call. With hi-index lenses, vision can be corrected with less material, making the lens much thinner. High index lens material is best for getting thin, lightweight lenses that reduce eye distortion and allow for an attractively thin profile to the lenses. Polycarbonate lenses are perfect for you. Reach out to us at 1-800-217-2020 or chat with us during business hours. Backup Glasses: Stay Ready with Ultra-Affordable Options. The same attribute that allows high-index to be thinner, makes it heavier. Can Color Blind Glasses Help You See Color? Information about Polycarbonate Lenses: Polycarbonate High Index Lenses are a totally separate material from other plastics. So, whichever of our amazing frames you decide on, you know you’re getting a great deal! Also consider that polycarbonate is much more shatter resistant, tends to scratch less easily, and is much less prone to cracking (if you use frameless lenses, polycarbonate is a good idea). High index lenses have a refractive index (ability to bend light) of 1.60 or higher… Our 1.6, 1.67, and 1.74 index lenses can all be considered high index. Answered by Dr. Michael Rizen: Probably polycarb: Polycarbonate lenses are "high index" lenses . Most people can’t perceive the color distortion at these levels. Oliver is the founder of Eye Influence. High-index lenses measure slightly better than polycarbonate. Suitable for prescriptions of SPH (-8 to +4) and CYL (+/- 2). Polycarbonate eyeglass lenses are a type of high-index lens that are also scratch and impact resistant and protect your eyes from UV. You’re bound to be offered multiple options for lens materials, most commonly, high index and polycarbonate. This means the lenses are thinner and lighter. High-index vs. polycarbonate: which is clearer? Can be more breakable than standard lenses. With polycarbonate and CR-39 lenses, an aspheric design usually is an option that increases the cost of the … Due to its popularity, when a new version of a lens add-on is released, it tends to be available with polycarbonate first. Labs report that many orders for high index lenses are for weak corrections (less than one diopter), even though it is difficult to detect any visible thinning of the lens edges in those cases. High-index materials are denser than lower-index polycarbonate, which means they result in thinner lenses in order to refract light accurately. Transitions Signature Gen 8: What’s New in Photochromic Lenses? Our polycarbonate lenses have a 1.59 index which, while quite thin, is more focused on durability than lightness. Aspheric lenses can be made in many lens materials. A high-index eyeglass lens allows people with a stronger prescription to wear a lens that is lightweight and thin. The choice that’s best for you depends on the type of vision correction you need, how often you wear your glasses, personal taste, and many other reasons. See our latest collections & exclusive offers before the crowd! 1.6 High-index Lens – Super-thin Lenses. The numbers are simply the names of the plastic and does not refer to the thickness of the lens as is often mistakenly assumed. From this number starts the high-index lenses. Our 1.6, 1.67, and 1.74 index lenses can all be considered high index. Most of us use digital screens a lot, making this a great choice to protect our eye health. This ensures more comfortable glasses even if your farsightedness, nearsightedness, or astigmatism prescription is high. Probably not. Saturday-Sunday 9 a.m. - 6 p.m. EST, HomeBlogHigh Index Lenses Vs Polycarbonate, Reviewed by: Dr. Matthew Miller, OD on September 27th, 2020. High “abbe value” meaning less light scattering. Plastics are graded in numbers, such as 1.50 or 1.67. Whether you decide to choose minimalist high index or tough polycarbonate lenses, all of the lenses we offer at EyeBuyDirect come with anti-scratch, anti-reflective, and UV protective coatings. Polycarbonate Abbe value = 30; High-index Abbe value = 36; Basic plastic (CR-39) Abbe value = 58; Crown glass Abbe value = 59; Should you worry about Abbe value? Polycarbonate is used in 35% of all prescription glasses. Our polycarbonate lenses have a 1.59 index which, while quite thin, is more focused on durability than lightness. Another example: both polycarbonate and high-index are available with polarized filters, but high-index may be limited to 2 colors whereas polycarbonate may offer 5.

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