Thinnest Lenses For High Prescription

74 index Designed for high prescriptions, these 1. EyeGlasses Lens Options Page, high Lens Index vs. Verithin High Index Lenses Lightest & Thinnest Lens at America's Best. High Index 1. This is also coated with the Drive Safe coating which assists wearers in night time and raining conditions. High index lenses, offering you the ultimate in technology and cosmetics. 74 high index lenses are also available in more color and prescription options than many other high index lens materials. Visit once nearest Specsmart store and choose the. Plus, the anti-reflective coating reduces glare and protects against scratches and smudges. For mild prescriptions (less than +/-2. Single vision lenses correct either your near field or distant field of vision, allowing for maximum optical clarity whether you’re nearsighted (myopic) or farsighted (hyperopic). High Prescriptions (over +/-6. Some web sites refer high index 1. Glass Lenses offer some of the clearest, sharpest, thinnest lens options available. 74; in general, the higher the index, the thinner the lens but if your prescription is at the lower end of the range, using a higher index will not result in a thinner frame. 53 mid index lenses, or. About 30% of these are Eyeglasses Lenses, 34% are Eyeglasses Frames, and 25% are Contact Lenses. I have some old ones (a good 7/8 years old) which have the same prescription, but are much lighter thinner lenses, they are great, but the lense coating has gone on them. SEIKO Ultra-Hi index (1. The Giro Article features an on-the-go Slash Seal lens interchange system to let you swap between VIVID lenses quickly. These lenses are the fastest changing from light to dark that are available. The higher your prescription is, the thinner you want your lenses to be. 76 material, now combined with the exclusive double surface aspheric lens design makes the lenses 50% thinner than other lenses. With expert advice, Boots will help you find the right ones for you today. At Eyeglassdirect. Some prescriptions and lenses may require additional time. Please enclose a copy of your prescription, confirmation number, and high index frames in the package you mail us. At FYidoctors, we want your prescription glasses to fit flawlessly and comfortably. 50 or higher, selecting a 1. 90 glass lenses glasses. 74; in general, the higher the index, the thinner the lens but if your prescription is at the lower end of the range, using a higher index will not result in a thinner frame. Prescription safety glasses are an absolute must for individuals who work in industrial environments or already require prescription glasses. The first line you have difficulty reading has the lens strength to the right. High Index 1. Guide to Lenses. For lenses harder than CR39, some older edging machines tend to cut the bevel towards the front surface so that, when fitted into the frame, all the thickness is pushed to the back. It is really diffiicult to tell the thinnest eyeglasses lenses. Some web sites refer high index 1. I was going to go with WP since they're on the cheaper side. 00 With a high prescription over +/- 5. This means less lens material can be used to correct the same amount of prescription. A disadvantage is that high-index plastic lenses suffer from a much higher level of chromatic aberrations, which can be seen from their lower Abbe value. Patients often ask, "How thin are high index lenses?" Consider this: Those with an index of 1. Contact Lenses vs Glasses comparison. • 30 Day returns • 1-year warranty. *required by law. Looking for the perfect Konishi frame check Designeyeglasses. 67 lenses are our lens of choice for those with very high prescriptions. You may also receive free contact lenses by visiting any participating eye doctor, who will determine if ACUVUE® Brand Contact Lenses are right for you. These will help to eliminate reflections of the sun and will provide 100% protection from UV rays. 50 index lenses can fulfill your needs. So you can rest assured that we want your lenses to look and feel as good as the frames to which you have them fitted!. High-Index 1. It is with those thicker lenses at higher prescriptions, that we start to experience optical distortion that is notable, when wearing that correction for many hours every day. Provides high levels of oxygen transmissibility during wear. Experience the thinnest, flattest and most cosmetically appealing lens ever developed. They are as much as 50% thinner than a standard plastic CR-39 lens. Single-vision Lenses. These lenses are most suitable for strong RX and multifocal prescription. The surfacing process creates thin and thick points on the lens to accommodate the prescription desired. His prescription is extremely strong (-8. Generally, the index number ranges from 1. High index lenses offer the thinnest, lighter weight material option for strong prescription wearers. 00, and an ADD power of +2. In terms of thinness, this lens index is thinner than 1. Quality Branded Lenses. Buy 1 & Get 2nd Pair at 50% Off. Lenses cut to correct high levels of farsightedness or nearsightedness can often become very thick. Ultimate Thin 1. If you like today's stylish highly-curved sunglasses, ask about our new Oakley sunglasses and wrap-compensated lenses. Patented technology WI-TEC provides aberration optimization, while the patented technology SLIM-TEC offers optimized lens thinness, all based on the actual wearing position of the lenses, making for balanced, clearer and wider binocular vision, and resulting in ultimate visual comfort. The High Index (1. They are thinner than any other 1. Focus by Discerning Eye offers glasses starting at $145 including prescription lenses. If your prescription falls between -10. View more information about Varilux Lenses. 74 (they were giving 1. Corneal GP contact lenses provide another option for patients who have high ametropia and high refractive astigmatism. 9 index, however, 1. 67-index lenses before, you'll be surprised how thin your eyeglass lenses can be!. Your Online Optical Clinic is Lenstore. Ultra high index lenses are available in 1. Buying Request Hub makes it simple, with just a few steps: post a Buying Request and when it’s approved, suppliers on our site can. Modern high index plastic lenses are great, with the right frame choice ( not too big) the lenses will look thin with a 1. 74 high-index option. 74 high index lenses are 13% thinner than 1. Our hi-definition, polarized hi-index lenses combine our sharpest visual experience, our thinnest and lightest weight construction, and our top-notch light protection technology. This material makes it particularly suitable for anyone with a higher plus or minus prescription, reducing the magnification effect caused by thicker lenses. The super thin 1. These also include no-glare and scratch-resistant treatments, plus UV protection. If ordering thinner lenses, you will need to come in-store for our trained members of staff to take some extra measurements specific to your frame choice. Are thin lenses equal to high index lenses? To answer this question, let's look at the thickness of the prescription lenses and factors affect the edge thickness of lenses. Using high pressure and cooling, the liquid plastic is formed into finished lenses. Some types and brands of lens may work better than others for people with dry eyes. For lenses harder than CR39, some older edging machines tend to cut the bevel towards the front surface so that, when fitted into the frame, all the thickness is pushed to the back. High-index lenses have good optical clarity, 100% UV protection, and excellent durability. If you need shatter-resistant lenses, bifocals, progressives or have other specific needs, there’s almost certainly a photochromic lens for you. 67 Super-Thin High Index Lenses is the same as our standard Progressive lenses manufactured using our super thin, high index material. 74 index lenses. Refractive index is the ability of an optical lens to bend light. 74 high index lenses are also available in more color and prescription options than many other high index lens materials. High Index lenses are the thinnest, flattest, and most cosmetically appealing lens ever developed. Higher minus prescription lenses have a thick edge, while plus prescription lenses have a thicker center. Clear Seiko® 1. UNITY digital lenses (more information available at www. For the most comfortable, durable and best-looking glasses, the following lens treatments should be considered essential:. As the thinnest lenses on the market, the Purevision® 2 Multifocal lenses do not compromise on handling. Scratch Resistant Coating. These lenses are the fastest changing from light to dark that are available. Now there is a solution with THIN-TECH's ultimate thin lens design technology. When you choose a frame from our £69 range or above, you can have free Extra Thin + Light lenses – usually £45. ††No lenses are unbreakable or shatterproof. Experience the thinnest, flattest and most cosmetically appealing lens ever developed. 74 high index lenses achieve the designation as the thinnest lenses available for sale in the United States under current regulations. If you like today's stylish highly-curved sunglasses, ask about our new Oakley sunglasses and wrap-compensated lenses. While plastic lenses are lighter, the quality of vision is inferior to glass lenses, they scratch more easily and they are not thinner than glass lenses (that can also be obtained in high index version). Thinner, lighter high-index lenses are especially recommended if you have a strong eyeglass prescription for nearsightedness, farsightedness or astigmatism. This ensures more comfortable glasses even if your farsightedness, nearsightedness, or astigmatism prescription is high. Lenses passing high-impact test requirement will include "+" mark. iThin’s revolutionary lens design, powered by Thin-Tech technology, works with all lens materials: CR-39, Trivex, Poly, 1. Thinnest Lens materials High-index eyeglass lenses are the right choice if you want thinner, lighter lenses and eyeglasses that are as attractive and comfortable as possible. prescription power : sphere < 3. 00 D to +12. This lens is about 20% thinner than polycarbonate. Ultra high index lenses are a good choice for people with prescriptions over +/-6. In order to sharpen distance vision, these lenses are thin at the midpoint and thick at the outer edges. Modern high index plastic lenses are great, with the right frame choice ( not too big) the lenses will look thin with a 1. The higher the prescription, the greater the curve, the thicker the edge of the lens. High index glasses are lightweight because of their thin lens profile. The stylish gloss black frame on the Wiley X Boss are equipped with shatterproof selenite polycarbonate lenses that meet ANSI Z87. 70 high index material to make the thinnest lenses possible. 67 lenses, and are the flattest and most cosmetically appealing lenses ever developed. 5 mm ablation zone with a normal blend. 74 index super ultra thin lens is the thinnest lens but it comes at a. 50 I would highly recommened the Hi-Index. High index lenses are thinner than standard lenses, making them more aesthetically pleasing and making your prescription seem weaker than it is. If you are short sighted (near) and have a strong “-“ prescription, the thinnest lenses available are Glass 1. 9, are the thinnest lens option, but not as impact-resistant. According to VSP. EyeGlasses Lens Options Page, high Lens Index vs. High index lenses, offering you the ultimate in technology and cosmetics. Smart, sophisticated and perfectly suited for everyday wear and for every style. 74] are only available in-store. These materials provide the best optical clarity and create the thinnest lenses making them the natural choice for strong prescriptions. more about hi-index 1. Standard RX. 50 or higher, selecting a 1. Lens extras and treatments. Lightweight eyeglass lenses made from plastic - special ZEISS "high-index" lenses - are the secret to incredibly thin and lightweight designs, even when high dioptric powers are required. High Definition Lenses If you're interested in a more accurate field of vision, try our digitally made High Definition prescription lenses. Prescription Frame. †One-hour service is available in most locations. Eyeglass lens treatments. Our lenses are impact resistant, almost shatter-proof, and outfitted with UVA/UVB protective coatings and high quality anti-scratch and anti-reflective coating. All glasses from Spex4less are supplied with case, cleaning cloth, 12 months frame warranty and our usual 100% satisfaction guarantee. What are the Thinnest Lenses for High Prescription Glasses? 1. These will help to eliminate reflections of the sun and will provide 100% protection from UV rays. • Lightweight. Then you may have a high prescription. The secret is high-index lenses. Therefore the lenses are thin and light, making them more comfortable for daily use. 74 High Index Lenses are on average 50% thinner than ordinary CR39 plastic. 67, these lenses are thinner than all other 1. Lenticular Prescription Lenses allow us to put higher or strong prescriptions in wrapped sports frames without creating excessive thickness. 00; Cylinder power below + or - 6. But we've also got a great range of extras and treatments that will help to protect or enhance your lenses. Progressive lenses give you the most natural vision correction at all distances. The Progressive No-Line 1. W hen it comes to prescription eyewear, all patients have a common wish list: they want fashionable frames that look good and fit well, lenses that are as thin as possible, and lens designs and treatments that meet their visual needs. Eyeglasses: A1 workmanship Rimless Eyeglasses, Prescription Glasses, Prescription Sunglasses, irresistible Rimless Glasses deals. 8 Glass (varifocal only) and 1. Ultra high index lenses are available in 1. 9, are designed to replace extremely thick normal lenses, and they reduce the thickness significantly, but the price is also high. 00; Once you select your glasses lens material, you can also choose your eyeglasses prescription lens upgrade: Clear Lenses - you can get regular clear prescription lenses. Does My Prescription Affect How Thin My High Index Lenses Can Be? The higher your prescription, the thicker your lenses will need to be. Eyeglasses with Prescription Lenses only for $45. 0) and his lenses were impressively thinner (we always paid for the high index lenses before for both of us, but the labs that Insight uses can apparently make the lenses even thinner). Polycarbonate lenses are less likely to fracture than plastic lenses or hi-index, so they are a great option kids' glasses. The Ray-Ban Eyeglasses RX5114 with Rx Prescription Lenses has been developed to be the perfect way to look fantastic while keeping your sight whole. Therefore, high-index lenses need less curvature to achieve the same focal power. This means high-index lenses bend light at steeper angles than standard-index, hard resin lenses. If you don't have a strong prescription and need something durable to get the job done, then this lens is an excellent, lightweight option that comes standard with all of Eyeglass World's 2 pair deals! Verithin/High-Index. 9, are the thinnest lens option, but not as impact-resistant. Choosing a lens is as easy as 1, 2, 3. Ultra high index lenses are a good choice for people with prescriptions over +/-6. varifocals or single-vision lenses; New Lenses bring you the quality, variety and service you demand when you choose your next pair of glasses. High index lenses absorb all harmful UV light and can be tinted to any shade or color. Verithin high-index lenses are an excellent option if you are looking for a lightweight and attractive alternative to heavy, thick eyeglass lenses. High index materials provide significant advantages over traditional plastic or glass lenses. Choosing the right prescription lenses for your eyeglasses will not only help you see more clearly, but will also ensure that your lenses are as thin and light as possible. If you wear progressive lenses, our digitally-produced lens designs give you the best vision at all viewing distances. And the optometrist (optician?) also pushed the high index polycarbonate lenses. The most popular brand today is Transitions, but photochromic lenses are made by many manufacturers. High-index plastic lenses; In response to the demand for thinner, lighter eyeglasses, high-index plastic lenses were introduced. They also eliminate some of the physical problems associated with mounting lenses in wrapped frames: poor cut out, inability to close temples flat because of thick minus lenses, and eyelashes wiping against the back surface of high plus lenses. There are so many kinds of sunglass lenses that more than what people usually think about. Don't want thick lenses? We hear ya. 74 Aspheric Lens from Eyeglasses Lenses Supplier or Manufacturer-Jiangsu Youli Optics Spectacles Co. 67 high index lenses, offering you the ultimate in technology and cosmetics. About 30% of these are Eyeglasses Lenses, 34% are Eyeglasses Frames, and 25% are Contact Lenses. Progressive lenses stay true to its name, and enables a smooth progression of vision with every part of the lens linking together from top to bottom. As the prescription power gets stronger, higher index lenses are used in order to reduce the lens thickness. They have 100% UV protection and work well with most frame styles other than drilled rimless. 74 is the absolute thinnest lens available anywhere. 67 lenses are recommended for prescription of SPH (-8 to and up). High-index lenses are the thinnest, flattest, and most cosmetically appealing lens ever developed. *BEST BUY* These lenses are ~ 50% thinner than standard plastic lenses (thinnest on the market) & 100% UV protection. 9 on glass special orders and as high as 1. From classic style to designer frames; prescription sunglasses, bifocals. One of the thinnest lenses on the market today and yet remarkably easy to handle. Thinnest High Index Prescription Lenses 1. Your Optician will fill your lens prescription, and can advise you on the most suitable frame types for you and the various lenses/ coatings available. Have a high prescription so went for the super thin flat lens, Sent on the Thursday I think and had them back by the Sat - amazing service and the lenses look great. HD, or digital lenses as they are also referred to, have been described as the most important improvement in prescription eyewear in the last. The lenses we use to create your prescription glasses are just the same as you’d find in your high street opticians, but with more choice and the added bonus of our wealth of expertise. It is advisable to get these high powered lenses properly fitted by the Optometrist. With its round shape and high quality acetate material, these eyeglasses, available in a variety of fashionable, grown-up looking colors, will be in style for all teenage ladies on the lookout for prescription glasses. These ultra-light, ultra-sleek lenses are the thinnest. I wanted the thinnest lenses possible due to having high myopia which typically results in very thick lenses. uk to access the premium services of Your Online Optical Clinic. Hi Danny, I have a high prescription of 14D as well. People who have high power prescriptions are familiar with their first set of thick eyeglasses and have hunted down the thinnest lenses possible but may still want to try out contact lenses or at least have them for some occasions. If you like today's stylish highly-curved sunglasses, ask about our new Oakley sunglasses and wrap-compensated lenses. 67-index lenses before, you'll be surprised how thin your eyeglass lenses can be!. In terms of thinness, this lens index is thinner than 1. BACK TO BASICS When ONLY THIN AND LIGHT Will Do A Back-to-Basics primer on high-index lenses, and when to dispense them to patients BY JENEAN CARLTON, ABOC, NCLC. To ensure you get the exact contact lenses you need, we’ll verify your prescription with your doctor before shipping your contact lenses right to your door. Some web sites refer high index 1. 6 for my prescription). They are as much as 50% thinner than a standard plastic CR-39 lens. 74 index super ultra thin lens is the thinnest lens but it comes at a. Higher index lenses do not need to be as rounded because their refraction rate is higher. This lens is always paired with premium non-glare. I am considering getting some high end progressives--such as the Varilux Physio 360's, and am wondering for my prescription. 74 lenses are the thinnest, flattest, and most cosmetically appealing lens ever developed. 74) with the most advanced anti reflective coatings available. In general, the greater the visual impairment, the thicker and heavier the eyeglass lens needs to be. Spectacle not a Dumbbell. 74 is the absolute thinnest lens available anywhere. These lenses will be thinner and lighter than traditional lens materials, and will give you eyeglasses that are as attractive and comfortable as possible. 57 mid index single vision lenses means that the lens is thinner than standard plastic lenses. Once, glass lenses were your only material choice and grey lenses the only color. If you are long sighted (far) and have a strong “+“ prescription, the thinnest lenses available are Plastic 1. It is advisable to get these high powered lenses properly fitted by the Optometrist. ††No lenses are unbreakable or shatterproof. 74 index super ultra thin lens is the thinnest lens but it comes at a. ^Authentic Ray-Ban® lenses require the use of Ray-Ban® frames. What's Lens Index? Lens index is a number that describes how thick or thin your lenses are. 67 Aspheric Lenses are one of the thinnest and lightest plastic lenses available in the Lens range making it suitable for most of the majority of today's popular frames. 00 for cylinder (CYL), your glasses will require high index lenses. The thinnest 1. High-index eyeglass lenses are ideal if you have a strong eyeglass prescription for nearsightedness, farsightedness, or astigmatism. High index lenses ensure you get the thinnest lens with high tensile strength for maximum durability. Trivex: A lens material that is lightweight, and has great optics. These ultra thin lenses are nearly 50% thinner than plastic and 5% thinner than 1. 00 With a high prescription over +/- 5. 100% UV protection provided. Additionally, there is an abrupt change between the near and far viewing areas. What's Lens Index? Lens index is a number that describes how thick or thin your lenses are. The type of high index lens will depend on your prescription but the rule of thumb is the strongest prescriptions usually get the highest index lens. But they may require thicker lenses for those with strong prescriptions for farsightedness, limiting frame options. The material is a thermoplastic and begins its life as small, solid pellets. In order to sharpen distance vision, these lenses are thin at the midpoint and thick at the outer edges. If your prescription falls between -10. 67 Aspheric Lenses are one of the thinnest and lightest plastic lenses available in the Lens range making it suitable for most of the majority of today's popular frames. They are thinner than any other 1. Highindexlenses. Posh Eyes is a leading online retailer of designer glasses and major brand contact lenses, based in Oxford, UK. High index glasses are lightweight because of their thin lens profile. 00 diopters, a 1. Lenticular Prescription Lenses allow us to put higher or strong prescriptions in wrapped sports frames without creating excessive thickness. We have access to the latest technology (digital, free form) in the thinnest, lightest, lenses (high index 1. 74 high index lenses are thinnest and lightest for stronger prescriptions. 74 High index lenses option available among plastic lenses is also the most expensive. Lens: Maui HT™ - When most lenses would be too dark, this "High Transmission" lens offers extra contrast and color. It is the thinnest lens possible and flattest lens available on the market today. 76 material, now combined with the exclusive double surface aspheric lens design makes the lenses 50% thinner than other lenses. Generally, the thinnest lenses for your prescription will be aspheric lenses made of a high-index material, worn in a small frame. The level of thickness will not increase in high prescription lenses as opposed to the type of glasses we use today. If you're shopping for the thinnest lenses possible, here's what you should know: The glasses with the thinnest lenses possible for high prescriptions are likely going High index glass lenses are extremely dense, making them heavier and more reflective Since high index glass lenses are. High quality sunglass lenses can filter harmful sunlight and ray, and keep our eyes away from discomfort and eye strain. Recommended prescription range for CR-39 Plastic Lenses: Sphere power below: + 1. The key to achieving this is making sure you are ordering the correct frame size. The single vision lenses with a refractive index of 1. my prescription is OD -8. However, if you have very slight prescription, you needn't buy some high index lenses such as 1. 74 High Index Lenses are on average 50% thinner than ordinary CR39 plastic. High Index 1. HD, or digital lenses as they are also referred to, have been described as the most important improvement in prescription eyewear in the last. Good for both moderate and very high prescriptions. They'll fit in any frame you choose (no matter your prescription). 74 high index lenses. Higher prescriptions require higher index lenses, while lower prescriptions require lower index lenses. Unlike Trivex, polycarbonate lenses are not made in the same way as traditional eyeglasses. For lenses harder than CR39, some older edging machines tend to cut the bevel towards the front surface so that, when fitted into the frame, all the thickness is pushed to the back. But they may require thicker lenses for those with strong prescriptions for farsightedness, limiting frame options. Contacts can be an eyesight recovery tool, rather than a permanent attachment on your eyeball. Provides high levels of oxygen transmissibility during wear. Prices on basic varifocals, premium varifocals, elite varifocals, enhance varifocals and the best, tailor made varifocals. 00 cylinder correction for astigmatism. 00 ? Hi-index (1. In the plastic materials which are lighter - you can get 1. They are also the most impact-resistant* lenses available today. Larger glasses will have thicker lenses. 74) Frame repairs and adjustment s for that perfec t fit. 70 can be over 50 percent thinner than regular index plastic lenses. This lens is always paired with premium non-glare. 74 thin lens or 1. PROGRESSIVE LENSES VS. Looking to find out what progressive lenses are and how can you use them for crystal clear vision? In this guide, we'll answer any question you have on the topic. High-index lenses have good optical clarity, 100% UV protection, and excellent durability. Visit once nearest Specsmart store and choose the. Focus by Discerning Eye offers glasses starting at $145 including prescription lenses. As the world’s largest contact lens store®, 1800Contacts. What Are High Index Lenses and What's The Difference? High index lenses are thinner, more. They are thinner than any other 1. Commonly used for children's, sports and safety glasses. 74 high index lenses are thinner and lighter than 1. The ThinOptics Pod Case is the most popular and versatile way to carry ThinOptics Readers. 9, to provide the ultimate in thin, optically superior prescription lenses. Is your prescription above +3. They are also the most impact-resistant* lenses available today. The level of thickness will not increase in high prescription lenses as opposed to the type of glasses we use today. With a refractive index of 1. Single-vision Lenses. Great for active people and kids. Our technical staff will contact you and give you all the information about the change of the lenses of your eyewear. 67, are substantially thinner and lighter than CR39 plastic and polycarbonate lenses all other that Opticians and Optometrists may sell as high index lens. Blepharitis is an inflammation of the eyelids in which they become red, irritated and itchy and dandruff-like scales form on the eyelashes. 76 thin lens plastic would be more suitable. Other brands include Sensity, Thin & Dark and PhotoFusion. Wiley X Boss sunglasses are sleek and unique. Higher index lenses do not need to be as rounded because their refraction rate is higher. What's Lens Index? Lens index is a number that describes how thick or thin your lenses are. Some types and brands of lens may work better than others for people with dry eyes. The good news is that a variety of new plastic materials are available to provide thinner and lighter lenses. Higher the prescription, thicker will be the lens, so high-index lenses are probably the best choice for stronger prescription as they are thin, light and comfortable. For moderate prescriptions (less than +3. Generally speaking, for the same prescription lenses, the higher the index of the lenses, the thinner the lenses. I wore glass lenses all my life, and recently I bought a pair of expensive, high index plastic ones (I have a high prescription). The purpose of this blog is to provide a brief resume of the types of spectacle lenses available to the patient for better vision (visual needs). Say goodbye to thick glasses and hello to high-index lenses for an attractive look and comfortable feel. 74 lenses are the thinnest, flattest, and most cosmetically appealing lens ever developed. Spectacle not a Dumbbell. The result will be the world’s thinnest eyeglasses. These are the thinnest and lightest lenses, providing the ultimate solution for high prescription strengths. This material makes it particularly suitable for anyone with a higher plus or minus prescription, reducing the magnification effect caused by thicker lenses. High index lenses, also known as ultra thin and lite lenses, are highly recommended for patients with higher prescriptions and those who are looking for the thinnest and lightest lens possible. 00 D to +12. Progressive lenses stay true to its name, and enables a smooth progression of vision with every part of the lens linking together from top to bottom. What makes them stand out is the high-end technology used to deal with practical issues related to. High-Index 1. High-index plastic.