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

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