These might be a good choice for inactive adults or seniors with strong prescriptions who would like to improve their appearance but do not wish for a lighter or more durable lens. light is completely bogus. I'm a UK Specsavers customer. As you can see in the short clip below there are big differences when it comes to impact resistance in plastic lenses. It's driving me crazy! Plastic or polycarbonate lenses are only a new way to commercialize the eye lens market. Both materials have advantages and disadvantages. 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. Does anyone know who sells glass lenses as I am fed up with plastic. A thick farsighted lens is wider in the middle and narrow at the edges. For those who need little vision correction, normal plastic lenses will deliver all of the benefits of plastic at a lower cost than high index lenses. But frankly spoken does 4 grams per lens more or less bother you when wearing your glasses all day long? I wear glasses to see better. I am 53 years old and have had glasses since I was 13. I cannot have a laser eye operation because of the size of my pupil and is hardly worth having now anyway because the people I've known who've had it done have been back with glasses within 10 years anyway. Glass has superior optics and is more durable. A glass lens can take some wear and tear and it is much harder to scratch a glass lens then a plastic one. Too bad my rx wouldn't fit you. 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). One of the main advantages of glass is that glass lenses are much thinner than plastic lenses, (although they are heavier). http://www.shadesdaddy.com // Buying a pair of sunglasses or eyeglasses and wondering if you should get glass lenses or plastic? Reply Reply with quote Reply to thread Complain. A new, brand-name type of lightweight and resistant plastic has hit shelves: Trivex. There are two types -- soft and hard, also called rigid glass permeable. What are Different Types of Eyeglass Cases. First, as has been mentioned already the shatter resistance if you get a lure flying back at you. When purchasing glasses today, there are a wide variety of choices. Still, plastic lenses have mostly replaced glass lenses. Ever notice that the highest quality sunglasses generally have glass lenses. And also, always be careful with the size of the frame. Can anyone tell me any opticians who do lenses in glass? Plastic glasses are ridiculous! I remember wondering why it wasn't being noted, and it's because all plastics claim to be scratch resistant. And yes, I follow all the instructions on lens care. If your prescription is weak and you are not active, traditional glass lenses will be less expensive than their plastic counterparts. COST: Glass lenses are generally less expensive than comparable plastics. But a word of caution here. I love mine. The clarity of glass is much much much better. I will never bother with useless plastic again. I got a measurable 8% increase in OTF lumens. If your glasses weigh more than that you should consider plastic lenses again. Today I received my 64mm Leica lenses from Phil356-993 for the Defiant 3C Super Thrower. Even plastic shaded lenses on the cheap hoods. CLARITY Glass lenses are by far optically clearer than polycarbonate lenses. Lightweight and thinner than glass lenses, polycarbonate is more comfortable to wear for long periods of time. To the person who complained about the weight of his/her new glass lenses. The coating comes off around the rim. Really heavy glasses weigh 50g or more. Multi-layer dielectric coatings are routinely deposited on plastic components. Polycarbonate has been used extensively for radio control model car shells for decades. I am now in my 40s. The polycarbonate lens is an upgraded option. Before getting the Nikon I had been using regular polycarbonate lenses for several years and, who knows how many time I dropped them, but never had a problem with cracks. Learn about a little known plugin that tells you if you're getting the best price on Amazon. I've worn eyeglasses for over 50 years and have had only three pairs of plastic glasses -- all of which proved disappointing. Glass weights a lot more, and over the course of the day it is much more comfortable to wear plastic lenses. Does anyone know of any optical store selling glass lenses? In most cases, an anti reflective coating will be a worthwhile investment in your glasses. Well, plastic lenses are our basic lens. Another, thing, plastic lenses should not be costing 500 dollars either! Get over it. Your discussion of lenses is completely one-sided. Helpful(0 ) Report Abuse. They push plastic, because it is way cheaper to manufacture. The glass sphera (falco or something?) This little known plugin reveals the answer. Probably. And plastic lenses can have color added to them or taken out. I actually just started working in an eyewear store and I had this exact subject come up with a client. I would buy plastic even though they don't stand up if they offered me a better visual experience. 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. The higher the index you choose the more glare you will have. This site is owned and operated by Die Brillenmacher Wallstadt e.K.. When the hot summer heat beats on your face as you hike through the brush or wade through the Caribbean flats, the heavy weight of a glass lens can fog up due to the heat. I am fed up with plastic lenses. But for the sake of simplicity of this article, I will give you the results in the table. I don't wear them! But of course, there are some other benefits to this material. Plastic lenses are lighter and can be treated with coatings to protect your eyes. The two major differences between glass and plastic are weight and scratch resistance. My two year old plastic lenses are always dirty and the AR coating has degraded around the edges. Those are the biggest points to focus on to make your decision easier. Polycarbonate lenses are ultra-durable, ultra-lightweight lenses. Hi-index plastic is lightweight and thinner than most plastic. Half as heavy as glass, far less likely to shatter, and optical quality nearly as good as glass. --just like this article says. That is very important. These lenses are far lighter than glass, making them less likely to slip down your nose, especially in stronger prescriptions. In that. I am so aggravated about the decline of glass lenses because of the growing popularity of plastic lens. Remember you did not buy your glasses to look good, you bought them to see well. Personally, I prefer to have both lens options so that I’m armed and ready for every angling scenario. Rimless or semi rimless frames would not be able to support glass lenses due to its weight. Heavy glass lenses also leave indentations on the nose, while lenses made from plastic sit much more lightly. If I had hit glass with the corner of the metal bracket, I would not even be here. Dear person #8: I just got new glasses five days ago. This is why glass is primarily used in microscopes, binoculars, telescopes, and cameras. 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. Even glass is considered a plastic in some circles. In that respect they outperform glass up to 100 times, depending on the type of plastic used. Plastic lenses are okay to use as safety lenses only if the center thickness is greater than 2.2 mm. First of all, there are glass and plastic materials. CR-39 Plastic vs. Glass Lenses. I just had my four year old frames purchased online and had them filled with glass lenses. This is why glass is primarily used in microscopes, binoculars, telescopes, and cameras. The higher the refractive index, the thinner the glass. CR-39 is heated and poured into optical quality glass moulds – adapting the qualities of glass very closely. 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. I always had glass lenses, never broke them and definitely no scratches. 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. I read the article then the comments and for me the latter were more useful and has more real life experience info. This is normal after a few years with plastic lenses. After that, for two years i used plastic lenses, and then my eyes side number is increased, and also started to have problem in my eyes. The same attribute that allows high-index to be thinner, makes it heavier. Glass Vs Plastic Lenses. Lens material can be a difficult choice when purchasing glasses online, especially if you’ve never done it before. I had them replaced and again scratches appeared. Who remembers to carry that all the time? Plastic lenses are also known as organic lenses. They are horrid. This way you will have an easier time deciding if you want to buy a pair of glass or plastic lenses next time you need new glasses. So i suggest that you can take the 1.591 PC lens or 1.53 Trivex lenses, these two lenses are both plastic lenses. Plastic vs Glass lenses. Lens Comparison: Uncoated Glass vs. Glass is not just optically superior but more durable too. Some materials will have low abbe values even though the refractive index is not very high. 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. Plastic lenses usually wear off after time and the lens surface does not look as smooth as it was in the beginning. How sensitive you are to weight on your nose, If your nose is wider shaped or smaller shaped, A lot of dust flys around and sets on the lens surface, The wearer wants to use clothes to clean up the lenses, The wearer had a lot of issues in the past with the coatings on plastic lenses, The lenses should be as easy to clean as possible (clean coatings on plastic lenses are better), Newest tech in terms of lens designs in most cases is available in plastic lenses only, When it comes to permanent tints and photochromic tints you will have more options with plastic lenses, Plastic lenses deliver higher impact resistance. Those with strong prescriptions know how thick glass lenses can distort the face. Just wear them. Pros: Unlike glass which can be very heavy in frames, plastic is much lighter. Thank you everyone for commenting. This is only my advice as I've wasted lot of hard earned money on buying most expensive polycarb lenses. Anyhow, I still get scratches. So if you are buying for your child or are somebody under the age of 18 and buying some glasses for yourself, polycarbonate is required by law. Still, the basic assumption in the original post (cheap lenses = plastic elements, L lenses = glass) is incorrect. I couldn't believe how much clearer the glass was. The smears may be between the lenses that I cannot take apart to clean. Being farsighted, I get beady eyes. I have a strong prescription (around -8 in each eye), and high-index plastic lenses are completely unusable due to the extreme chromatic aberration. Plastic vs glass lenses 03-05-2004, 12:14 PM. CR-39 is the name of the monomer base that makes up the lens material in inexpensive plastic lenses. 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. This provides excellent cost savings and ease of production to the manufacturer. However, glass lenses remain an important niche product. This provides excellent cost savings and ease of production to the manufacturer. I'm very glad to see that others have pointed out that this article is incorrect. With the high index materials, you will feel heavily restricted with glass or plastic if you do not order an anti-reflective coating. Optician always try to sell plastic, perhaps they get a kickback? Plastic. It most definitely is a plastic. light and it is responsible for a vast array of health issues. Did you know Nikon was the first company to create the thinnest plastic (1.74 lens index) available on the market today? The only problems I suffered with glasses came from a pair of screwless frames which developed a a tiny chip in the corner with a few weeks of wear. With all things equal, polycarbonate is up to 18% lighter than high-index. This makes it easier to fit plastic lenses in all types of frames (full, semi/supra or rimless). Why are you implying that polycarbonate is not a plastic? In most cases, plastic lenses will last 4-5 years. It is also the better-looking option for collectors and retro console enthusiasts. They are a ripoff. 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. time I have had only one pair of plastic lenses. But they never get as scratch resistant as good as classic glass lenses. The scratches are caused by my eyebrows so there's not much I can do. However, thinner lenses won’t necessarily mean they will weigh less. This makes it easier to fit plastic lenses in all types of frames (full, semi/supra or rimless). Plastic lenses. ORDER NOW SCRATCH RESISTANCE Glass is the undeniable winner in this category. They are more than 10-times more impact resistant than your average plastic or glass lens. I will insist on glass in future, but I am dreading the day, if by then they are unavailable! Things get much worse and they scratch up no matter how you care for them. They are much easier to manufacture, leading to more production hence more profits for the companies. Heavier-yes, better vision-yes, more expensive-yes. For many centuries glass lenses were the only option for spectacle use. In 1947, the Armorlite Lens Company in California introduced the first lightweight plastic eyeglass lenses. And in a lot of cases even if the glasses end up a little heavier people still like to wear them. They are also highly break resistant. After needing a new prescription, I was advised plastic lenses had come a long way - so agreed to pay the £200 for new plastic lens specs. Overall, glass and plastic lenses have many differences but both do provide every angler with superior optics. The thinner the lens material gets the higher the refractive index you need to choose. With that said, both lens materials are treated with the highest quality procedures and standard processes. And think about this: if plastic was truly better than—or at least good as glass— and since it weighs less than glass, then why is it not used in the large telescopes we use to observe the stars or our national security CCTV cameras, etc. This article is misleading. So, which are better - Glass vs Plastic Prescription Sunglasses Lenses? Neither does any of the other stuff like tint or anti scratch coating. Very nice! If good seeing is your goal buy glass. They are very light and therefore comfortable to wear. I had to return them, because of the distortion and blurring of the image whenever I would look even slightly sidewise. 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. These are the two most popular forms of glasses currently on the market. 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. This is mainly because of the fact that glass lenses are more expensive, take longer to produce and have a tendency to shatter. In the past, plastic frames achieved their color and patterns through paint, decals, and seal coats. If you have struggled with “coke bottle glasses” or have forgone glasses in certain situations, embarrassed by how they made you look, you will likely love these lenses. Walmart takes no responsibility. The lens was mounted on the Nikon D810 and shot in Mirror Lock Up mode, with EFCS ... Glass vs Resin. I can't even wear my sunglasses if there is a small print on it. 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). 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