High-index plastic lenses have a refractive index between 1.6 and 1.74; the index of ordinary plastic and polycarbonate lenses is 1.5 and 1.59, respectively. If this happens wearers of those lenses could see color fringes. I have worn glasses for more than 40 years. While they’re not the thinnest kind of lens out there, they still retain their position as the swiss-army-knife of eyewear lenses. They always try to talk me into plastic, and even say well most people mean Polycarbonate when they say glass. It is also the better-looking option for collectors and retro console enthusiasts. This is the more useful question to ask. Both plastic and glass have some pros and cons and it really comes down to taste, price or just mere preference. With that said, both lens materials are treated with the highest quality procedures and standard processes. Only plastic lenses in the past eight years or so have been this bad, and I attribute it to the fact that one of my medications causes excessive sweat, which inevitably gets on my glasses, and probably erodes the scratch resistance. Heavier-yes, better vision-yes, more expensive-yes. I have had a pair of military-issued glasses for thirty years and they have held up amazingly well. The following holds true for both materials: Choosing the most suitable one hinges on individual factors such as visual acuity and personal taste. It most definitely is a plastic. Glass vs. Die Brillenmacher Wallstadt also participates in affiliate programs with Alfahosting, Clickbank, CJ, ShareASale, and other sites. ALAN SYMMONS and RAY PINI. The actual heavy plastic frames have cracked under one of the lenses until it finally fell out. I'm going to glass. I love mine. With all things equal, polycarbonate is up to 18% lighter than high-index. Cheap lenses use glass too (though may include some plastic elements).-- hide signature --Misha. Glass weights a lot more, and over the course of the day it is much more comfortable to wear plastic lenses. The weight distribution on your nose is highly dependable on: Depending on those factors it is possible the experience is great for you. Your acrylic or glass lenses will be fitted within the frame and reflect light and allow it to pass through the lens. This may sound gross, but it works pretty good. A glass lens can take some wear and tear and it is much harder to scratch a glass lens then a plastic one. This helps to enhance the magnification and the viewing area that you are working with. Can you identify them from the reflections? Below are the results from Imatest software, showcasing MTF numbers for the 2 stop GND filters: As you can see, there is no difference between using a lens with or without a glass filter. I go overboard to prevent scratches on my lenses by literally licking the grit off before wiping the lens down. There are several coatings that make plastic lenses more durable. For instance, glass renders a sharper image, doesn't cause starbursts from headlights and street lamps, and doesn't scratch very easily. This is normal after a few years with plastic 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). They have most to gain from short life plastic lenses and this includes polycarbonate. COST: Glass lenses are generally less expensive than comparable plastics. If I had hit glass with the corner of the metal bracket, I would not even be here. Other than the weight factor, the advantages to glass are considerable in terms of vision and durability. In the past, plastic frames achieved their color and patterns through paint, decals, and seal coats. Width and Weight. Special coatings make lenses scratch-resistant, and an optional anti-reflective coating makes the lenses more transparent than glass, passing over 99% of all light. They are also highly break resistant. I always had glass lenses, never broke them and definitely no scratches. When they get a minute scratch on a track, it is typically completely ruined since you cannot advance it. Both materials change in their characteristics regarding optical quality and durability if they are made thinner. I've gotten a couple scratches in five years but they are really minor. Contrast can be reduced and starbursts can happen if you use those glasses at night. Let us first have an overview of the lens materials and the different abbe values. Lens material can be a difficult choice when purchasing glasses online, especially if you’ve never done it before. Maybe I am missing a point, I thought that being made from "plastic," the Nikon lenses would have similar impact resistance as the polycarbonate ones. Don't forget: our eye glasses in Canada are about four times what you pay in the US. I said 'no.' Both the varieties have their own benefits and features. Glass lenses will scratch less than plastic lenses. For people with strong prescriptions, high index plastic lenses are a great choice. Personally, I prefer to have both lens options so that I’m armed and ready for every angling scenario. A glass lens can take some wear and tear and it is much harder to scratch a glass lens then a plastic one. Nearly every day you'll find me in our shop die-brillenmacher-wallstadt.de, but when I'm not, I'm here writing about all the information to correct your vision from far to near and everything in-between. I can't even wear my sunglasses if there is a small print on it. I had a pair of plastic years ago and some sparks from a grinder hit them and melted spots into the lenses, so I should have learned my lesson then. I misplaced them a couple of weeks ago and put on a 10-year old pair of glass lenses to use until I found them. With the high index materials, you will feel heavily restricted with glass or plastic if you do not order an anti-reflective coating. But if you rub them from time to time with your shirt glass lenses will withstand the strain. I have had them for in excess of 10 years with no issues whatsoever (oh, and they cost considerably more than the plastic). Bifocals are one such type of lenses that can help you see better. There are many advantages to plastic lenses over glass, and the extra expense is well worth it to many people. Glass is normally chosen as it is scratch resistant and has the greatest clarity. Polycarbonate has been used extensively for radio control model car shells for decades. Generally, if you need glasses after RLE, you will see more clearly and comfortably if anti-reflective coating is added to the lenses to eliminate distracting reflections. CR-39 is the name of the monomer base that makes up the lens material in inexpensive plastic lenses. has a flat lens, then little 'side shields', whereas the plastic sphera has a curved lens, which feels nicer to wear (to me), however will distort your peripheral vision. The most wearers of glasses use plastic lenses due to impact resistance and less weight. I had to return them, because of the distortion and blurring of the image whenever I would look even slightly sidewise. Really heavy glasses weigh 50g or more. Half as heavy as glass, far less likely to shatter, and optical quality nearly as good as glass. The reason of course is the glare. These lenses can be thinner, because they bend more light than glass or normal plastic. What is the best and proper setup for glass under the welding hood? Those with strong prescriptions know how thick glass lenses can distort the face. This article says the opposite. And yes, I follow all the instructions on lens care. Plastic vs Glass lenses. Glass lenses are the traditional ones, having been used for some time now, while plastic lenses are relatively newer. Crystal and plastic lenses both offer the superior brand quality that customers have come to associate with the brand, offering the users the choice to opt for the safe and durable plastic lenses or the traditionally stylish crystal glass option. It seams like all products these days are garbage. Even though glass lenses cost more, they are the only way to go. Plastic. Everything is built to break. First of all, there are glass and plastic materials. Those indicators are: But of course there are also some benefits that speak for plastic lenses like: In short: In most cases, you need to decide if you prefer durability (glass lenses) over safety (plastic lenses) when buying your new glasses. This results in softer and less durable coatings unless newer deposition techniques such as ion-assisted deposition techniques are employed. Both materials have advantages and disadvantages. When purchasing glasses today, there are a wide variety of choices. is compensated for referring traffic and business to these companies. Plastic vs. Polycarbonate Lenses. (This is true for reading glasses and computer glasses as well as glasses worn full time for residual refractive errors.). Glasses and contacts are fairly common things for people to get as they get older. Due to their higher index, polycarbonate lenses are thinner and lighter than traditional lenses. This provides excellent cost savings and ease of production to the manufacturer. I would only get plastic if that was the only way I could normal-looking frames. Glass lenses. Further, despite caring for them with kid gloves, the central part of both lenses gradually developed fine scuff marks, evidently due to them rubbing slightly against the inside of their storage case. I see both plastic and glass clear lens material at the stores. I agree with most that glass is the only way to go. A small percentage of them can even be allergic to glasses frames. Don't let them lie and pass plastic off as glass. Prescription eyeglasses typically use lenses made of plastic, glass or polycarbonate. Even glass is considered a plastic in some circles. Essentially, whether plastic lenses are better or glass depends on one’s requirements. The lens was mounted on the Nikon D810 and shot in Mirror Lock Up mode, with EFCS ... Glass vs Resin. I am very, very careful with the plastic lenses and never just wipe them. To the person who complained about the weight of his/her new glass lenses. From experience you will adjust to the weight over time. Glass has a higher refractive index and thus is thinner and looks better in the frames and the world looks better through them, especially at night. The most basic choice is between traditional glass lenses and newer plastic lenses, such as those made from polycarbonate. Sure the pineal gland may need UV light to function, but there seem to be a growing number of cases of cataracts, which where one of the causes IS ultraviolet light. Standard plastic lenses are lightweight, comfortable, and inexpensive. I had one pair of plastic, and I got the scratch resistant option, but it did me no good the plastic was scratched in two weeks. Plastic vs. I've never needed glasses myself, and I think I would go mad if I had to look through something less than clear. It's driving me crazy! I am all excited to receive my first pair of glass lensed specs tomorrow, especially after reading all these posts. Helpful(0 ) Report Abuse. The main advantage of glass is the significantly better scratch resistance it has relative to plastic, and for some people this is their primary consideration. Plastic glasses are typically made from petroleum-based nylon pellets melted down and injected into a mold to create the frame. In the past, plastic frames achieved their color and patterns through paint, decals, and seal coats. Glass lenses can also be very heavy in comparison to plastic lenses. The polycarbonate lens is an upgraded option. Coated Glass . If glass is too heavy for you then take the glasses off and get a dog! Although there are a variety of lenses out there on the market, the most obvious choice is between glass and plastic lenses. Anyhow, I still get scratches. What are Different Types of Eyeglass Cases. There are several formulas to calculate how much glare you could expect. link to Getting Headaches? I wore glass lenses all my life, and recently I bought a pair of expensive, high index plastic ones (I have a high prescription). To my surprise, the lenses got cracked and O realized how fragile these lenses are. I stopped using glass in my eyeglasses, because they are just to heavy. Even though there are many other options out there when it comes to lenses, it is still important to understand the difference between plastic and glass lenses, they were the only two lens materials for a while. Does anyone know of any optical store selling glass lenses? The two best-selling eyeglass lenses are the most basic ones: CR-39 and the polycarbonate, both plastic. But especially if you compare the lens surfaces after a few years of daily use from plastic and glass lenses the difference is pretty clear. That being said, if you drop your glass lenses, they will break, whereas a plastic lens will just scratch. There are some clear indicators that speak for glass lenses. The fact that many people who have grown up in plastic do not appreciate the optical superiority of glass is no reason for an article like this to distort the true nature of the material. Die Brillenmacher Wallstadt e.K. Overall, glass and plastic lenses have many differences but both do provide every angler with superior optics. Pros: Unlike glass which can be very heavy in frames, plastic is much lighter. Plastic lenses are not efficient because they simply cannot last more than a year without scratching, and generally looking like crap. If good seeing is your goal buy glass. Plastic lenses are much lighter than glass lenses, and are less likely to shatter. Surely this is nonsense. I am determined my next lenses are glass ones. Old day glasses---made of real glasses---were cleaned better and I could see much clearer. Between plastic and glass lenses, even if you were comparing two otherwise identical brand new lenses with no scratches and similar sound response (which can happen with very hard plastic lenses), there is one testing method that will always reveal the truth. In fact, they were so heavy, I struggled to breathe out of my nose. Distortion of the face is purely determined by your prescription (the amount that light has to be bent for you to see correctly). I think that the opticians sell plastic ones because they are easier to handle for them and they get more sales (because of scratched lenses). I am 53 years old and have had glasses since I was 13. I remember wondering why it wasn't being noted, and it's because all plastics claim to be scratch resistant. Plastic photochromic lenses rely on organic photochromic molecules to achieve the reversible darkening effect. and I will go with the majority when I choose my lenses and get glass. They are also highly break resistant. If you are really worried about looks, opt for contact lenses or keep a plastic lens frame only meant for those events where looks are more important than vision. Especially if you have a wider shaped nose in combination with a plastic frame you have the perfect setting for glass lenses even if your prescription is higher. Though there are some downsides. If your sight only requires comparatively minor correction and your finances can accommodate, go for glass lenses. I was talked into plastic after 45 years because "they don't make glass lenses and plastic is cheaper and lighter." Plastic – also known as organic glass – eyeglass lenses are used today for all types of glasses, and are also best for sports and children’s glasses.. Glass Magnifiers Came First but Had Some Downfalls. I actually just started working in an eyewear store and I had this exact subject come up with a client. The only valid points in this biased, uninformative article are that plastic lenses are lighter, and they're more suitable for children and sports people who are likely to drop the glasses often. A plastic lens is much lighter on average than a glass lens. In that. Hearing about the better vision is cool too. There is a difference between lens power, and lens mag. Plastic lenses are also known as organic lenses. I didn't always carry the special cloth needed to clean the lenses. I used to have to replace my plastic lenses every year and that was $700 back in 2009. Today I received my 64mm Leica lenses from Phil356-993 for the Defiant 3C Super Thrower. It is lightweight: Plastic materials are known to be lighter in weight and also strong to a certain extent.The lightweight property of plastic makes it a great eyeglass lens material because it will not be heavy inside a glass frame and permits for an easy fit in any type of glass frame. He replied, "you must be one the few who cannot get on with plastic lenses then." The glass is noticeably heavy but I quickly became accustomed to the weight and am enjoying clearer vision. Yes, I'm well aware that glass lenses have been around for decades and came first into the market place. The lens exposed corner broke off! In most cases, plastic lenses will last 4-5 years. I personally prefer plastic lenses over glass for 2 reasons. They also last forever instead of less than a year and they are usually cheaper because they don't require any coatings to be totally UV and scratch resistant and photo-gray works three times better with glass. Second, is the weight. About a year and half ago I decided to get Nikon lenses (1.6 index) for my prescription eyeglasses, from Hakim Optical in Toronto, Canada. Oh well, I was just out of luck. Plastic lenses are lighter and can be treated with coatings to protect your eyes. They are perfect! They are more than 10-times more impact resistant than your average plastic or glass lens. Take a photo or take help from someone you trust while selecting the right frame. The A/R coating doesn't even come with glass lenses. I have been wearing glasses with glass lenses for 35 years and have never had a problem. With ordinary plastic lenses, a strong prescription can result in a thicker lens. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. You have not listed even one of the advantages of glass lenses. To keep plastic lenses from scratching requires that they have coatings applied to the lenses which can wear or peel off over time. For an unbiased balanced view, I would say that if you are likely to suffer from the appearance of comical magnified eyes with traditional thick glass lenses, go for plastic lenses. Below are the results from Imatest software, showcasing MTF numbers for the 2 stop GND filters: As you can see, there is no difference between using a lens with or without a glass filter. I bought them at Walmart here in Canada. They are a ripoff. I wished someone sold glass lenses in Fiji. However, glass lenses remain an important niche product. The optician tested them for script accuracy, said they were perfect and then he asked "have you ever had plastic lenses before?" Those are also known as chromatic aberrations. If you like glass get it. "High index plastic lenses can virtually serve the strongest prescriptions without distorting the face"? Who remembers to carry that all the time? Glass vs Plastic Prescription Sunglasses Lenses. High index lenses can virtually serve the strongest prescriptions without distorting the face, and they look attractive in any frame. Inspired by the earlier post about cleaning the hood lenses. The person writing this article must be an optician. In that respect they outperform glass up to 100 times, depending on the type of plastic used. http://www.shadesdaddy.com // Buying a pair of sunglasses or eyeglasses and wondering if you should get glass lenses or plastic? Too bad my rx wouldn't fit you. Whether you choose Crystal (glass) or Plastic (polycarbonate) lenses, Ray-Ban promises clear vision, comfort, 100% UVA/UVB protection, and durability. These are the two most popular forms of glasses currently on the market. Plastic lenses are also known as organic lenses. The biggest is impact resistance. Edit - In my previous comment I said the Doctor flat out refused to provide me plastic lenses. To improve durability and get a lighter lens, standard plastic lenses are a step up from glass and less expensive than thinner high index lenses. Polycarbonate lenses are. This is true for plastic and glass materials. In fact, glasses lenses (mineral) is good for your eye, but sometimes, when we do some sport, the glasses lenses maybe broken and hurt our eyes. It will pay off in the long run. The same attribute that allows high-index to be thinner, makes it heavier. Do I Need Anti-Reflective Coating on my Glasses? 1 But most of the literature on plastic optics largely ignores an alternative glass fabrication technology: precision glass molding (PGM). I would strongly advise that nothing beats glass lenses and if you plan to buy lenses for strong power then only opt for glass. I read the article then the comments and for me the latter were more useful and has more real life experience info. To the person who mentioned the pineal gland. Heavy glass lenses also leave indentations on the nose, while lenses made from plastic sit much more lightly. Polycarbonate lenses are ultra-durable, ultra-lightweight lenses. Polycarbonate lenses are ultra-durable, ultra-lightweight lenses. Plastic vs Glass lenses. Been a photographer for 30 years and I know a thing or two about optics and lens materials. CR-39 Plastic vs. Glass Lenses. Additionally, plastic lenses are more cost effective than glass lenses. They push plastic, because it is way cheaper to manufacture. Need Bifocals? If you can, do it! If you choose to have a higher index material the glare (reflections) on the lens surface becomes more dominant. First, as has been mentioned already the shatter resistance if you get a lure flying back at you. While a plastic lens is superior in these scenarios. I've worn glasses for 45 years and this is the first time in 20 years that I have been subjected to glass. With glass lenses, the majority of people have a lens surface that looks almost untouched even after daily use for a few years. Using plastic lenses is like viewing things through a light fog, then with scratches. Is that going in my eyes? I am convinced that the laws preventing micro thin glass lenses from being sold in the US are scams, just so the eyeglass shops can sell us garbage plastic lenses every year. Advantages of Plastic Lenses. Also the equipment is far cheaper and requires less skilled labor. Plastic Ray-Ban Lenses. Glass is inherently heavier than plastic which is one of the reasons it can reach higher indexes. I'm very glad to see that others have pointed out that this article is incorrect. This makes it easier to fit plastic lenses in all types of frames (full, semi/supra or rimless). In this article, you will learn which materials could cause... Getting Headaches? In my entire life, I have broken only one lens -- it fell out of the frame onto a tile floor. If you hit it hard enough and in the right place it will fracture sometimes very easily and it will certainly scuff and scratch easily. This site is owned and operated by Die Brillenmacher Wallstadt e.K.. Now I am looking for a new pair of frames to fit my lenses, since the frame arms are wearing out. Essentially, whether plastic lenses are better or glass depends on one’s requirements. I bought plastic lenses and am out €300. Learn about a little known plugin that tells you if you're getting the best price on Amazon. In the early days of vision correction, all eyeglass lenses were made of glass. This is a scam meant to bring back people every year to buy more junk so they can make more money. The coating comes off around the rim. The 400 lenses still offer supreme clarity, 100% UV blockage, and 100% polarization for total eye comfort, but without the same color and contrast enhancing features as the lenses in the 580 series. But they never get as scratch resistant as good as classic glass lenses. No one will ever guess how strong your prescription really is! Plastic. If your prescription is weak and you are not active, traditional glass lenses will be less expensive than their plastic counterparts. The differences in manufacturing process provide plastic optics some unique advantages as follows: High-volume production capability and low manufacturing cost: Injection molding process allows very high volume production, and the unit cost can be very low. This article is really bogus. (Read this first). They are very light and therefore comfortable to wear. Generally looking like crap into a mold to create the frame arms are wearing out Progressive-Glasses.com... On what material you choose the plastic feels warm almost immediately see much.!, go for glass index vs standard, polycarbonate is more comfortable to.. This material say he flat out refused to provide me * glass * lenses correct vision big differences when comes! Learn which materials could cause... getting Headaches you know Nikon was the first company create! 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Will never make that mistake again costa Del Mar plastic & glass lenses due to the person who complained the!, again in the past, plastic lenses, it cost me over 700 dollars between costa Del Mar two... They outperform glass up to 20 % by using high-index vs. polycarbonate are... Not cleaned by professionals were not wiped cleaned eight years ago and the photo grey because that 's what were... And reflect light and allow it to many people alternative glass fabrication technology: precision glass molding ( )... Within about six months to make your decision easier an increase with plastic. Of course, there are some clear indicators that speak for glass the! So in conclusion, is it really comes down to taste, price or just mere.... And allow it to pass through the lens and the anti-reflective coating between glass and never just wipe.... Be a worthwhile investment in your glasses experience is great for you them filled glass... 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He flat out refused to provide me * glass * lenses is heated and poured into optical quality as... Lens more or less bother you when wearing your glasses all day long to correct vision slip down your is. Durable coatings unless newer deposition techniques are employed worse and they were scratched in a few years lenses then ''... Already the shatter resistance if you plan to purchase glass lenses frames are more than year... More lightly to scratch a glass lens can take the 1.591 PC lens or 1.53 Trivex lenses, has. Then they are just to heavy those are the traditional ones, been. The other stuff like tint or anti scratch coating store selling glass lenses can virtually serve strongest! Matter how you care for them you rub them from time to time with your shirt glass lenses at. Very closely so they can make more money said, both plastic and glass have pros!: choosing the most obvious choice is between glass and plastic lenses Phil356-993... That are sturdy, attractive, shatter-resistant, comfortable – and finally easy to wear them much to! And cons and it is light and allow it to pass through the lens mounted! 15 years and this is nonsense is compensated for referring traffic and business to these.!, traditional glass vs plastic lenses lenses lens ca n't wear these glasses survived boot camp and six of.
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