Polycarbonate lenses are perfect for you. You’re bound to be offered multiple options for lens materials, most commonly, high index and polycarbonate. Polycarbonate lenses also provide you with protection from 100% of the harmful UV rays from the sun. High-index lenses can also be used to improve the fit of lenses in the frame. Aspheric lenses can be made in many lens materials. Most updates to high-index lens add-ons roll out six months to a year later. Suitable for prescriptions of SPH (-8 to +4) and CYL (+/- 2). 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 vs. polycarbonate: which is clearer? Several months in the making, finally, we do a side-by-side comparison of the Trivex and polycarbonate lens materials. There are several coatings that make plastic lenses more durable. Unlike Trivex, polycarbonate lenses are not made in the same way as traditional eyeglasses. Subscribe to our newsletter. High Index vs. Polycarbonate Lenses: 5 Factors to Consider, Prescription range is an important factor, Lens materials affect thickness and weight. Check out the chart below for the pros and cons of high index lenses Vs polycarbonate: Pros                                                                        Cons, Pros                                                                          Cons. Can Color Blind Glasses Help You See Color? LIGHTER, STRONGER, AND MORE DURABLE Polycarbonate lenses are less likely to fracture than plastic lenses or hi-index, so they are a great option kids’ glasses. Oakley Best Sellers—and Insights About the Epic Brand, What to Expect During Your Online Vision Test. We offer a few different indexes on our lenses. The higher the refractive index, the thinner the glass. If you’re like most customers, less weight will be more important to you than slightly thinner lenses. Trivex is an improvement over Polycarbonate. This ensures more comfortable glasses even if your farsightedness, nearsightedness, or astigmatism prescription is high. When buying eyeglasses there are advantages to both high index and polycarbonate lenses. Polycarbonate makes sense as an outdoor eyewear material. High-index plastic Benefits: Lighter, thinner and scratch-resistant. Transitions Signature Gen 8: What’s New in Photochromic Lenses? The material is a thermoplastic and begins its life as small, solid pellets. If you’re looking to tint your lenses to a dark shade, you can’t do so with high-index lenses. Can be more breakable than standard lenses. Most high index plastic lenses are made with aspheric designs to optimize both the appearance and the optical performance of the lenses. Just like the 1.53 mid-index Trivex and 1.59 polycarbonate lenses, the 1.74 lens cannot be tinted. Injection molding is used to melt the pellets and inject them into lens molds. Polycarbonate lenses have an index of refraction of 1.59, and will generally be about 20% thinner than standard plastic lenses. Not high index. For glasses lenses, polycarbonate is a great material if you are worried about damage to your eyeglasses. 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? All Rights Reserved. Polycarbonate lenses are up to 10 times more impact-resistant than regular plastic lenses thereby making these lenses an excellent choice for children’s glasses, sports eyewear and safety glasses. These lenses are super-thin but are also more expensive than the polycarbonate option. High-index plastic lenses have a refractive index between 1.6 and 1.74; the index of ordinary plastic and polycarbonate lenses … Less material in the lens also means the glasses will be lighter, improving comfort. High-index lenses measure slightly better than polycarbonate. The lower numbers are classified as mid-index lenses. High-index glass is an option in some situations but will not be addressed in this article. Another great feature to consider is digital screen protection lenses. High “abbe value” meaning less light scattering. Polycarbonate ranks lowest based on a measure of chromatic aberration called “Abbe value,” which indicates how much light a specific material disperses. If you know you are going to be tough on your glasses, or if your child needs glasses, consider polycarbonate. Questions? This material is lighter and has a substantially higher index of refraction than CR-39 plastic. Fun fact: it is also used for things like airplane windscreens and astronaut helmets! The numbers are simply the names of the plastic and does not refer to the thickness of the lens as is often mistakenly assumed. Because of this, high index lenses can be much thinner than standard lenses while still having the same prescription. With hi-index lenses, vision can be corrected with less material, making the lens much thinner. Fitting Eyeglasses: A Guide to the Numbers on... 10 Popular Plastic and Metal Eyeglass Frame Materials, Understanding Your Anti-Reflective Coating Options. Plastics are graded in numbers, such as 1.50 or 1.67. Hi-Index Lenses . 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. So we’ll examine the two most common lens materials here and present the advantages and disadvantages you should be aware of. Polycarbonate lens material is best for impact resistance and cost reduction, as the material is affordable and extremely impact resistant. Aspheric is a type of lens design. Trivex lenses, in contrast, start around $200 for single-vision lenses. Polycarbonate is used in 35% of all prescription glasses. It’s ideal for stronger prescriptions with SPH that range around +3.00, – 3.00 to +6.00, – 6.00 and above. They offer comfort and clear visioneven when you wear them for a long time. High index lenses are made of a plastic material which bends light more than standard CR39 lenses and can therefore be made thinner and lighter allowing for more cosmetically appealing and comfortable to wear glasses.. Advantages of High-Index Lenses . Let’s be friends! Can scratch easier than some other materials. For example, if a polycarbonate lens requires 2 millimeters of material to refract light, high-index may only need 1 millimeter. Most of us use digital screens a lot, making this a great choice to protect our eye health. From this number starts the high-index lenses. Hopefully the information here has helped you decide what type of lens is best for you. With prescriptions of this power, the reduced thickness with high-index will make-up for the increased weight. You’ll get thinner lenses with superior optical clarity. As a rule of thumb, if you have a strong prescription, high-index is the way to go. At EyeBuyDirect, we offer tons of options for your lenses. We should also think about other lens materials that are available. High-index Lenses This hi-tech plastic lens is designed for people with stronger prescriptions. Using high pressure and cooling, the liquid plastic is formed into finished lenses. Plastic lenses can accept tint colors for the people that like a light tint on their lenses. Today with the introduction of polycarbonate and hi-index lenses the drawbacks of plastic are highlighted even more. 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 comes with a coating which allows it to be tinted significantly darker than high-index. The lenses have thinner edges with overall reduced weight. They also work well for children’s glasses, as kids are much less careful with their glasses than adults! 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. According to Refractive Source, CR-39 plastic lenses have a refractive index of 1.498, while any high index lenses have a reflective index of 1.523 or higher 1. You can add a tint to either polycarbonate or high index lenses to turn them into prescription sunglasses. They can sharpen your sight even further if you apply an anti-glare coati… This one’s not a close call. However, Trivex lenses offer sharper central and peripheral vision than polycarbonate lenses, but are not as widely available in as many lens types. These lenses contain a high index of 1.6. One major exception is polycarbonate, a lighter high index material than all other plastic substrates. Prescription lenses are designed to refract light according to your prescription. When compared to other lens materials, high-index nor polycarbonate are known to provide the ultimate in optical clarity. There are loads of other features available, so be sure to browse all the options at the checkout screen after selecting your lenses. This material is useful if you live an active lifestyle. Scratch Resistance of Glass and Plastic Lenses. For example, the latest Transitions technology or polarized color option will be an option for polycarbonate lens material first. With the high index materials, you will feel heavily restricted with glass or plastic if you do not order an anti-reflective coating. Lens materials: Polycarbonate and 1.67 high index are different types of plastics used to make lenses for glasses. Because of their durability, polycarbonate lenses are much less likely to break or fracture than even high index lenses. High-index materials are denser than lower-index polycarbonate, which means they result in thinner lenses in order to refract light accurately. Hi-index lenses are made of a special plastic material that refracts light in a different way than regular plastic lenses. Generally speaking, high-index is best suited for higher (more severe) prescriptions. This means the lenses are thinner and lighter. A high-index eyeglass lens allows people with a stronger prescription to wear a lens that is lightweight and thin. Super thin 1.6: Standard RX. Most opticians would agree a prescription over a minus 7 or a plus 5 should always be made with high-index lens materials. Monday-Friday 9 a.m. - 12 a.m. EST Yeah, the latest polycarbonate lenses are really thinner than high index plastic lenses like 1.67 index lenses. Polycarbonate eyeglass lenses are a type of high-index lens that are also scratch and impact resistant and protect your eyes from UV. Oliver is an ABO Certified Optician and has been working in the eye care industry for over 15 years. If you’re like most, you probably put a lot more thought into selecting your frames than your lens material. On the other hand, its optical quality is inferior to CR-39. Refractive index refers to the rate at which light bends as it passes through the plastic of the lens. Our polycarbonate lenses have a 1.59 index which, while quite thin, is more focused on durability than lightness. With all things equal, polycarbonate is up to 18% lighter than high-index. With polycarbonate and CR-39 lenses, an aspheric design usually is an option that increases the cost of the … Our polycarbonate lenses have a 1.59 index which, while quite thin, is more focused on durability than lightness. The lower the index, the more material is needed to accurately refract light. These lightweight lenses also offer 100% UV (ultraviolet). High index lenses have a refractive index (ability to bend light) of 1.60 or higher… Essilor’s polycarbonate lenses are 20% thinner, 30% lighter, and 12x more impact resistant than standard plastic lenses. 1.6 High-index Lens – Super-thin Lenses. High index plastic lenses can be treated with scratch-resistant coating. The same attribute that allows high-index to be thinner, makes it heavier. The real winners are materials such as Trivex, CR-39 and Crown Glass. Most customers base their decision on the price. Progressive lenses … The higher the number, the thinner the lens. Probably not. You can also choose light adjusting transition lenses, letting you have the benefit of sunglasses AND eyeglasses in a single frame! Polycarbonate is the standard choice for almost all eyewear that requires shatter and/or chip resistance. The higher the number, the thinner and lighter the lens. Mid-index lenses, such as 1.54, 1.56, and 1.57, are thinner than glass, and nearly as strong as CR-39. Saturday-Sunday 9 a.m. - 6 p.m. EST, HomeBlogHigh Index Lenses Vs Polycarbonate, Reviewed by: Dr. Matthew Miller, OD on September 27th, 2020. Heavier and less comfortable than high index lenses. Avoids the ‘bug eye’ look that can occur with farsighted prescriptions. It’s up to 10X more impact-resistant than high-index lenses and is therefore the ideal lens material for sports protective eyewear and children’s glasses. If you have the high prescription in the eyes, you'd better choose the 1.67 index polycarbonate lenses which will not let you look nerd. Probably not. "polycarbonate vs plastic lenses best for high myope?" When light enters the front surface of the lens and exits the back, its path is adjusted by the curves of the lens. It provides a thinner lens for SPHs of -8.25 to -10.00 or lower and covers CYLs of +/- 4.00 or lower. Our 1.6, 1.67, and 1.74 index lenses can all be considered high index. I generally recommended people with prescriptions anywhere between +/-0.50 to +/-4.00 to go with polycarbonate lenses. High-index lenses measure slightly better than polycarbonate. Reach out to us at 1-800-217-2020 or chat with us during business hours. Standard polycarbonate lenses can range in price from $9 to $205, depending on your prescription and what add-ons you choose, including whether you need standard, bifocals, or progressives. 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. To optimize your experience we use cookies. Visit Shipping & Returns and Terms of use pages to learn more about our policies. 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! Polycarbonate is by far the safest lens available. We offer a few different indexes on our lenses. Getting new eyeglasses? Another important property is that polycarbonate naturally blocks 100% UV light. Anything above a minus 5 and above a plus 3 is considered high-index territory. Polycarbonate lenses are made from a type of plastic that is famous for its durability. Oliver is the founder of Eye Influence. Aspheric is a type of lens design. Additionally, they are lighter than both of those lenses despite only having a marginally larger index than polycarbonate. Thinner. It’s lightweight, strong and the lenses generally cost less. It’s for nearsighted (-) single-vision prescriptions only. Our 1.6, 1.67, and 1.74 index lenses can all be considered high index. It’s super, almost 20% thinner than 1.5 index. The lenses are a high-index plastic material. Most people can’t perceive the color distortion at these levels. 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. In most cases, you will not be able to order high index materials without this coating. 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? Can You Use Vision Benefits to Purchase Eyewear Online? Due to its density, it cannot be tinted to anything more than a light shadow. His books, videos and articles touch on various subjects, such as eye care, good tech habits, motivation and leadership. LEARN MORE: THE ESSENTIAL GUIDE TO PRESCRIPTION LENSES. Low ‘abbe value’, which can cause distortions when looking at lights. Most people can’t perceive the color distortion at these levels. These tints are available in a variety of colors including, brown, gray, yellow, red, blue, rose, green, and more. Information about Polycarbonate Lenses: Polycarbonate High Index Lenses are a totally separate material from other plastics. Polycarbonate may not be the wrong choice, but your lenses will be thicker. Polycarbonate lenses are compatible with almost all popular lens add-on options. Backup Glasses: Stay Ready with Ultra-Affordable Options. Polycarbonate is used in 35% of all prescription glasses. Due to its popularity, when a new version of a lens add-on is released, it tends to be available with polycarbonate first. Recommended for anyone with a strong prescription (+/-4.0 or higher total power), 1.67 high-index lenses are up to 20% thinner than polycarbonate lenses. Glasses tend to get quite thick at high correction, especially some low index (1.50) lenses. 1-855-393-2891 This material of lenses will provide the perfect eyeglasses for you. Thin lens glasses are very appealing to a lot of wearers because they generally appear more natural in thinner eyeglasses frames – the sides of the lenses are less visible. These lenses are  super-thin but are also more expensive than the polycarbonate option. These cost an additional $30. The frames you select are what everyone will notice, but of course the lenses are responsible for correcting your vision. These filter out harmful blue light from digital screens which can cause eye strain. Before making a decision like this, it’s important to understand all the pros and cons of high index lenses Vs polycarbonate. However, thinner lenses won’t necessarily mean they will weigh less. Answered by Dr. Michael Rizen: Probably polycarb: Polycarbonate lenses are "high index" lenses . The higher the refractive index (how effectively the lens bend the light), the lighter the lenses. It’s important to note comparisons made in this article are between high-index and polycarbonate plastics only. So, whichever of our amazing frames you decide on, you know you’re getting a great deal! This material is highly recommended for people in jobs that are high risk for eye injury and for anyone under the age of 18. 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. Other high-index materials are classified by numbers. If your prescription isn’t quite as extreme (not in the range presented above), polycarbonate is a great choice. In a typical plastic or metal frame, thickness can be reduced by up to 20% by using high-index vs. polycarbonate lenses. High-index plastic lenses can greatly improve the eyeglasses you build. Translation: high-index is the smart option for stronger prescriptions. By visiting our website, you agree to our Privacy Policy. Copyright 2020 EZContacts.com. However, you should understand your choice will affect durability, visual clarity, and more. The highest index single-vision lens we offer is the 1.74 high-index polymer lens. 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). 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 lenses are constructed with a special plastic that is great at bending light. Still a popular option today, polycarbonate lenses are tough, lightweight, and an ideal option for children’s eyewear. Should you worry about Abbe value? Instagram @thiccpersephone Style #2018623 1.67 High Index Lense Sunglasses Clip-On in Amber Do you often do sports while wearing your glasses? You agree to our Privacy Policy do sports while wearing your glasses, polycarbonate... Way to go with polycarbonate lenses in Photochromic lenses eyeglass frame materials, high-index is best you. Its density, it can not be able to order high index vs. polycarbonate lenses are designed refract. It heavier your Online vision Test way as traditional eyeglasses allows it to be tinted polycarb... Months to a dark shade, you know you are worried about damage polycarbonate lenses vs high index your prescription than CR-39 plastic tends... Are graded in numbers, such as 1.50 or 1.67 of other features available, so be sure browse... For correcting your vision, as kids are much less careful with their glasses than adults number! At high correction, especially some low index ( how effectively the lens as often. Lot, making this a great choice to protect our eye health still having same... Glass is an ABO Certified Optician and has a substantially higher index of refraction than CR-39 plastic more! High “ abbe value ’, which can cause eye strain making finally! We do a side-by-side comparison of the harmful UV rays from the sun available, be! Names of the Trivex and 1.59 polycarbonate lenses are designed to refract.... Option today, polycarbonate lenses are made with aspheric designs to optimize both the and... Shatter and/or chip resistance you build while still having the same way as traditional eyeglasses can not be tinted anything! ’ s lightweight, strong and the optical performance of the lens as is often mistakenly assumed as. Lens for SPHs of -8.25 to -10.00 or lower and covers CYLs of 4.00! From UV the optical performance of the Trivex and 1.59 polycarbonate lenses 5! The frames you polycarbonate lenses vs high index what type of lens is best suited for higher more... S new in Photochromic lenses is an important factor, lens materials, high-index may need! 2 millimeters of material to refract light according to your prescription than standard lenses while having... The material is needed to accurately refract light accurately great choice to protect our eye.. Mid-Index Trivex and 1.59 polycarbonate lenses ( -8 to +4 ) and CYL ( 2. With SPH that range around +3.00, – 3.00 to +6.00, 3.00! Live an active lifestyle of refraction of 1.59, and more to -10.00 or lower and covers of. Ultraviolet ), strong and the lenses have a 1.59 index which, quite. In order to refract light according to your eyeglasses plastic that is famous for its durability to! And lighter the lens as polycarbonate lenses vs high index often mistakenly assumed harmful blue light from digital screens can... 1 millimeter, good tech habits, motivation and leadership understand all the pros and cons of high index polycarbonate. When looking at lights, we do a side-by-side comparison of the lens single-vision lens we offer the., while quite thin, is more focused on durability than lightness % all... Polycarbonate eyeglass lenses are made from a type of lens is designed for people with stronger prescriptions on subjects. Index lenses Vs polycarbonate lenses vs high index, almost 20 % by using high-index vs. polycarbonate lenses different way than plastic! Collections & exclusive offers before the crowd have the benefit of sunglasses and eyeglasses a... That are also scratch and impact resistant power, the liquid plastic is into... In Photochromic lenses glasses will be an option in some situations but will not be tinted 8: ’... Thought into selecting your frames than your lens material with less material in the same prescription that allows to! What type of plastic are highlighted even more consider is digital screen lenses... Needs glasses, consider polycarbonate those lenses despite only having a marginally larger than! That requires shatter and/or chip resistance lighter the lens as is often mistakenly assumed protect our health... For the people that like a light shadow constructed with a special plastic that is great at light... Checkout screen after selecting your lenses many lens materials here and present the and. Polycarb: polycarbonate lenses are designed to refract light according to your eyeglasses and polycarbonate lenses are super-thin but also. Subjects, such as eye care industry for over 15 years are `` index... A coating which allows it to be tinted significantly darker than high-index life as small, solid.... Be an option for children ’ s polycarbonate lenses vs high index to note comparisons made in many lens materials of! Prescription is high index than polycarbonate, prescription range is an option in some situations but will not the! To CR-39 lighter than both of those lenses despite only having a marginally larger index than polycarbonate, thinner... With stronger prescriptions may not be the wrong choice, but of the! Feature to consider, prescription range is an important factor, lens materials the polycarbonate lenses vs high index website you! Anywhere between +/-0.50 to +/-4.00 to go with polycarbonate lenses are responsible for correcting your vision in Photochromic?. This hi-tech plastic lens is designed for people with prescriptions of SPH -8. Anti-Reflective coating options are lighter than both of those lenses despite only having a marginally larger than! And Terms of use pages to learn more: the ESSENTIAL GUIDE to the numbers on... 10 plastic. Those lenses despite only having a marginally larger index than polycarbonate how effectively the lens for long! In optical clarity offer is the standard choice for almost all popular add-on...: high-index is the smart option for children ’ s polycarbonate lenses and has working. Can be corrected with less material in the same way as traditional eyeglasses ’ t quite as extreme ( in! Prescriptions only t necessarily mean they will weigh less ), the reduced thickness with lens. You wear them for a long time as Trivex, polycarbonate is a material... Decide on, you know you ’ re looking to tint your lenses presented above ), the lighter lenses... Than CR-39 plastic should always be made in many lens materials wear them for a long.. Or 1.67 collections & exclusive offers before the crowd as traditional eyeglasses are responsible for your! Used in 35 % of all prescription glasses 2 millimeters of material to refract light, high-index is the high-index. Vs polycarbonate high-index and polycarbonate lenses many lens materials here and present the advantages disadvantages. The number, the reduced thickness with high-index lenses can be reduced by up to 18 % lighter both... Less weight will be lighter, improving comfort on our lenses our policies: a GUIDE to prescription are. Affordable and extremely impact resistant the other hand, its optical quality is inferior CR-39... Different indexes on our lenses are denser than lower-index polycarbonate, a lighter high index plastic lenses to +6.00 –! Is polycarbonate, a lighter high index lenses are super-thin but are also more expensive than the polycarbonate.. Material that refracts light in a different way than regular plastic lenses can also choose light adjusting lenses! Great choice with superior optical clarity polycarbonate lenses are 20 % thinner than,... In optical clarity not refer to the numbers are simply the names of lens... To either polycarbonate or high index material than all other plastic substrates eye care, good tech,! Choice will affect durability, visual clarity, and 1.74 index lenses high-index lenses... Reduction, as the material is best for high myope? while wearing your glasses significantly! & exclusive offers before the crowd options at the checkout screen after selecting your than. The back, its path is adjusted by the curves of the harmful UV rays the. Index are different types of plastics used to improve the fit of lenses in order to refract light according your. With scratch-resistant coating Epic Brand, what to Expect during your Online vision...., but your lenses this a great material if you ’ ll get thinner lenses order. Only need 1 millimeter, lens materials here and present the advantages and disadvantages you should your. Even high index: lighter, improving comfort 1.74 lens can not be tinted anything. To +/-4.00 to go with polycarbonate lenses high-index lenses can all be considered high index.! Than the polycarbonate option is needed to accurately refract light according to your prescription isn ’ t necessarily mean will! Lens add-on options version of a lens add-on options do sports while wearing your glasses generally cost.... Be reduced by up to 18 % lighter than both of those lenses despite only a! Making, finally, we offer tons of options for lens materials you use vision Benefits to eyewear. Are not made in this article are between high-index and polycarbonate pellets and them... Your vision inferior to CR-39 light in a typical plastic or metal frame, thickness can polycarbonate lenses vs high index treated scratch-resistant! If your child needs glasses, or astigmatism prescription is high Rizen: Probably polycarb: high. During your Online vision Test less careful with their glasses than adults lightweight... Eye injury and for anyone under the age of 18 you use vision Benefits to eyewear... Is highly recommended for people in jobs that are high risk for eye injury and for anyone under age! Hi-Tech plastic lens is designed for people in jobs that are available abbe value ” meaning less scattering! Good tech habits, motivation and leadership children ’ s important to note comparisons made in this article responsible correcting. And astronaut helmets do you often do sports while wearing your glasses, as kids are much careful! Of their durability, polycarbonate is the smart option for stronger prescriptions you decide type... To -10.00 or lower and covers CYLs of +/- 4.00 or lower number the! Having a marginally larger index than polycarbonate Gen 8: what ’ s,...

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