A few discussions have taken place recently about the thermal properties of the v60 in glass, ceramic, and plastic. Glass Mobility – Heavy frame that is difficult to move. Glass rules! I said 'no.' I didn't even know I was getting plastic. It however does have a single, little hole in the center at the bottom of the pourover - I'm unsure how the v60 differs from this, but this could impact the taste of your coffee (something something brewing method something something). However, glazing covers and protects everything within the frame. i again switched to glass lenses and i feel cool eyes with glass lenses. So more "thermal mass.". Yellow light is the enemy, on the water and on land. Simply put, they're the most advanced glare-beating polarized sun lenses on the planet, and they'll change the way you see, period. After 12 hours wearing them for PC, driving, reading etc., I decided they were inferior. 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. Now I am looking for a new pair of frames to fit my lenses, since the frame arms are wearing out. These are lies! Speaking as a legally blind person, not only does the high-index lens still stay thick, but also distorts the hell out of your eyes. 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. 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. I asked for the works, anti-scratch and all. Then I imported all the data into a spreadsheet and plotted it all together in one graph. We call them eyeGLASSES and for hundreds of years, that's what they were: glass. For more of a lifestyle type of fit, check out Costa’s new Del Mar collection. 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. If I had hit glass with the corner of the metal bracket, I would not even be here. Press question mark to learn the rest of the keyboard shortcuts. When purchasing glasses today, there are a wide variety of choices. New comments cannot be posted and votes cannot be cast. And now for some pictures. They are perfect! In my entire life, I have broken only one lens -- it fell out of the frame onto a tile floor. I do not claim that this makes any difference in the coffee that makes it into your cup. I'm very glad to see that others have pointed out that this article is incorrect. I took the glasses back and got another pair and they were scratched in a few weeks as well. Some of these concerns are appropriate - glass baby bottles are more expensive to manufacture and therefore more expensive to buy, they are also heavier and harder to manage for a baby. I responded, "What is so safe about driving at night trying to see through scratched up lenses?" High index lenses are the most expensive lenses available, but to those who benefit, they are worth every penny. A nearsighted lens is also wider at the edges than in the middle, making the edges noticeable in fashionable wire frames or frameless glasses. The main difference between Costa Del Mar 580g and 580p glasses is whether the Costa lenses are glass or plastic. Perhaps the most appreciated feature of lenses made form plastic is that they can be thinner than glass lenses. The lens exposed corner broke off! Plastic or polycarbonate lenses are only a new way to commercialize the eye lens market. Another pro for plastic, it won't break if you drop it on the floor when handling it with soapy hands. Another, thing, plastic lenses should not be costing 500 dollars either! This was the first pair of glasses I bought when I was 17, and the doctor flat out refused to provide me plastic lenses. Costa Del Mar offers high-quality polarized sunglasses for special activities as fishing, boating or for an everyday outdoor lifestyle. Jump to Latest Follow 1 - 12 of 12 Posts ... so prior to purchasing my last pair of Costas I went through the whole advantages / disadvantages of glass vs. plastic lenses routine. The plastic, with its low thermal mass, comes up to full temperature quickly, The plastic retains heat longer than the ceramic, The ceramic sheds heat quickly, and takes a long time to come up to full temperature, even with an impractically large amount of pre-heating (500ml of boiling water! Why are you implying that polycarbonate is not a plastic? I do also have a glass v60, but it is the larger size (03) and I thought that would introduce an extra variable into the experiment, so I did not use it. I have had a headache for five days now and it's from the heavy, heavy, heavy weight of the glass lenses. We use cookies on our websites for a number of purposes, including analytics and performance, functionality and advertising. /r/ Coffee is a place to discuss any and all things coffee. 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 never really considered heat loss when purchasing my V60. Does anyone know who sells glass lenses as I am fed up with plastic. 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. I did a little research on several different vendors’ websites and reviewed the prices of 10 different pairs of Costa sunglasses as well as Maui Jims and here’s what I found out. I wear glasses to see better. 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. Like the glass variant, the plastic variant of Costa Del Mar also has the 400 and 580 variant but suffixed with P, which stands for plastic. They are a ripoff. I borrowed a thermocouple and data logger from my roaster, and recorded a bunch of time vs temperature data from a plastic v60 and also from a ceramic v60. On the other hand, since plastic loses its integrity, it can be recycled into a number of products from carpet filling to plastic lumber and so on. ), The ceramic never matched the highest temps seen in the plastic. Costa's encapsulated mirrors (between layers of the glass) are scratch-proof. By your graph it appears the plastic has a lower specific heat capacity (J/g*F = the amount of energy required to heat a material 1 degree F) as the two plastic pourovers seemed to gain and lose heat the fastest (it's really hard to tell from the graph except in the end, when it seems to be that plastic is somehow holding heat the best). Light Transmission: 25% Base Lens Color: Yellow Best For: Fishing in low-light conditions Overview: Costa’s Sunrise Silver Mirror lenses let in more light than any other Costa lens. I'm a UK Specsavers customer. Also, it is clear that the ceramic platform loses heat more quickly than the plastic. I can't even wear my sunglasses if there is a small print on it. 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. It's driving me crazy! No matter the price, glass always. In fact, they were so heavy, I struggled to breathe out of my nose. Don't forget: our eye glasses in Canada are about four times what you pay in the US. Here’s an overview of Costa’s lens colors, from light to dark: 1. I was disappointed with my manager's answer(he's strictly polycarbonate/acetate/zyl/etc) after researching it on my own and finding this page. Maybe I wasn't using the correct terms. I bought them at Walmart here in Canada. Six months ago, I was talked into getting plastic lenses with a scratch resistant coating. I have both and it's obvious ceramic dissipates heat faster than plastic, but I didn't want to pour 100c water in a plastic container. Oh well, I was just out of luck. Third, glass baby bottles are perceived as more fragile than plastic baby bottles, leading parents to worry that they might break or shatter easily if dropped. COST: Glass lenses are generally less expensive than comparable plastics. I had bought my last pair a decade earlier and simply wanted to update my prescription and frame. Unless, of course, you are an optometrist and recognize that if glass catches on again, you may not be able to handle as big a boat payment. Plastic lenses are impact resistant, making them a better choice for children, active adults, sportswear, and safety wear. Yes it could be heavier, but I prefer heavy than scratchy, and my plastic glasses became very annoyingly scratched since I am a photographer and usually the glasses touch the viewfinder of my cameras, as well as the dusty environment of Egypt where I live. These glasses survived boot camp and six years of military service. Glass vs. plastic lenses: a quick comparison. Your lenses get scratched? Polycarbonate has been used extensively for radio control model car shells for decades. Plastic lenses can also be anti-glare, and they reduce harmful ultraviolet (UV) rays better than glass. No one will ever guess how strong your prescription really is! They don't make glass lenses is the lie they tell you. Anyhow, I still get scratches. Also note that these were very short brews, around 2:10, so this heat loss would probably be accentuated in a longer brew. In my humble opinion, opticians in the US have done their patients a great disservice in pushing plastic lenses to the exclusion of glass. So in conclusion, is it really more beneficial to stare at the sun? Other than the weight factor, the advantages to glass are considerable in terms of vision and durability. I tried both Glass (580G) and Plastic (580P) and found Plastic better, mainly due to color, and weight. Too bad my rx wouldn't fit you. I am determined my next lenses are glass ones. I've never needed glasses myself, and I think I would go mad if I had to look through something less than clear. Don't let them lie and pass plastic off as glass. He was referring to Thermal conductivity which would make sense in this context. There are many advantages to plastic lenses over glass, and the extra expense is well worth it to many people. I would strongly advise that nothing beats glass lenses and if you plan to buy lenses for strong power then only opt for glass. time I have had only one pair of plastic lenses. Picture frame glass and acrylic both come in clear finishes. I then left the entire platform sitting until the temperature fell to 180F, just to see how long that would take and to graph the heat loss from the brewing platform with the hot coffee grounds still in the dripper. If your prescription is weak and you are not active, traditional glass lenses will be less expensive than their plastic counterparts. Even glass is considered a plastic in some circles. The herb tastes much better with the glass mouthpiece rather than the plastic one. by Sandra Henshaw - February 23, 2016, Last Updated on December 30, 2019, Buying Guides. Edit - In my previous comment I said the Doctor flat out refused to provide me plastic lenses. I always had glass lenses, never broke them and definitely no scratches. SuperThin Glass - This lens material provides the best optics available and is 20% thinner and lighter than standard laminated glass. At the end of those graphs, it's not just plastic or ceramic all by themselves, because they are filled with hot, wet coffee. Plastic glasses are ridiculous! I am fed up with the plastic ones. Those with strong prescriptions know how thick glass lenses can distort the face. Shortly I will go back to glass and never bother with plastic again. It may, or may not. But glass was heavy and breakable. I bought plastic lenses and am out €300. Glass vs. Acrylic. 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). It takes a far greater force to break this type of lens than a comparable glass lens, and while glass shatters, plastic will more likely dent, or if the force is great enough, crack without shattering. Stock up on glass There’s no better container for cannabis than glass. Glass lenses? I'm not quite sure what you mean by "conductive" and "thermal mass." The ceramic v60 radiates more heat than the plastic. Acrylic Mobility 400 vs … Plastic also has the advantage over ceramic in terms of its price, durability, and weight, Plastic is easier to brew with since it does not require any significant pre-heating, If you are the type who worries about hot liquids leeching toxins out of plastic, then ceramic easily wins for you. 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. 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. The 400P variant of Costa Del Mar is a complete UV blocker and thus provides maximum protection. My first glasses were glass lenses and okay, although ugly looking. Plastic lenses are *not* impact resistant. You'll get used to it. To perform this test, take a small rounded metal object like a penny or wedding ring. anon58814 yesterday . Price and durability are secondary. These Costa sunglasses were made with a premium acetate material, which is considered more fashion forward. No matter what I used to clean the glasses, it stays smeared. Going to Canada opens the door for these lenses, as long as you get an anti-reflective coating on them. Dear person #8: I just got new glasses five days ago. Next is going to be the 400, and it comes in both a glass and a plastic essentially for the same reasons. First, understand the purpose of glazing. Finally, the reduction of the perceived size of your eyes depends only on the prescription; the material of the lens does not make any difference. Luckily, the optician agreed that plastic does not provide the same quality of vision, and agreed to re-do the work with glass lenses, since he had failed to warn me about that. I'm going to glass. There is always a trade off. The only pair of glass lenses apart from being heavier has lasted a very long time. Who remembers to carry that all the time? 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. They agreed to source glass lenses for a refit at no cost to me, which, on trying, were absolutely perfect. My first pair of glasses had plastic coated lenses anti glare plus anti scratch back in the early 1990's. Scratched them with a deep gouge within a week at work, kind of normal wear and tear for me. Costa 580g lenses are made of LightWAVE glass that offers the highest levels of clarity and is 22% lighter and 20% thinner than standard polarized glass. I've worn glasses since I was a baby and have had three eye surgeries. One of the main advantages of glass is that glass lenses are much thinner than plastic lenses, (although they are heavier). This is interesting I'm in the market for a new dropper as my plastic one has broken. Is there a difference in glass quality or should I be looking at certain suppliers etc. @anon15877: I must say I have had plastic lenses in various frames for over 30 years. I had been satisfied with the glasses (half rim) until a few weeks ago when I dropped them for the first time on the kitchen tile floor. Even though glass lenses cost more, they are the only way to go. But my plastic lenses always get scratched and I have to change them every year or two years. Decades ago, the only baby bottles available to parents were made of glass. I am fed up with plastic lenses. Glass Display – Light is very reflective and can have a green tint. Clear vision without the need to wear glasses. Do a search under "Sungazing: Open the Pineal Gland" and you will get an education. It's terrible. You have not listed even one of the advantages of glass lenses. It's interesting that he mentions the plastic v60 - I can only find the ceramic/glass ones online.. X Research source You can buy the abrasive at any hobby or craft store. 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. I have worn glasses for more than 40 years. Plastics with all BS protectants and sprays that I'm sure were not cleaned by professionals were not wiped cleaned. My only consideration was the taste; I started out with a plastic Melitta pour over cone and I found that the coffee always had a plastic taste to it, similar to that my parent's crappy coffee machine. Share. If you can, do it! It so happens that the Pineal gland behind the eyes can only function with adequate U.V. Walmart takes no responsibility. To the person who complained about the weight of his/her new glass lenses. I first run them under water to wash away any grit and then clean them. This article is really bogus. And yes, I follow all the instructions on lens care. Polycarbonate lenses are. Class action suit forthcoming? They always try to talk me into plastic, and even say well most people mean Polycarbonate when they say glass. Plastic lenses are okay to use as safety lenses only if the center thickness is greater than 2.2 mm. 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. It's much easier to use plastic, and have them coated with an anti scratch. They push plastic, because it is way cheaper to manufacture. When buying your new pair of Costa sunglasses its key to understand the differences between their glass and polycarbonate lenses. They are almost impossible to scratch. Everything is built to break. I have had a pair of military-issued glasses for thirty years and they have held up amazingly well. I've worn glasses for 45 years and this is the first time in 20 years that I have been subjected to glass. Same reason to not expect any cures for any diseases, because there's no money to made in that, but they'll manage the disease and take your money in the meantime (conspiracy theory that actually brings out the cynic in me). Glass lenses are best for me. If glass is too heavy for you then take the glasses off and get a dog! 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. It is 100% polarized and thus gives superior clarity. 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. Dammit. I have never had glass lenses before and I have been wearing glasses for 26 years. I have never had plastic lenses that were as clear as the first glasses I had in 1962. Take a photo or take help from someone you trust while selecting the right frame. Plastic Lenses? Optician always try to sell plastic, perhaps they get a kickback? Plastic stinks big time! This second image is a portion of the first one, but zoomed in on the final pour and subsequent cooldown. Costa 580 lenses use patented technology to cut down on the yellow light, allowing the eye to see more red, blue and green. light is completely bogus. 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. I am now in my 40s. And the plastic frames are heavy. They would smear with an oily like lilac film! Too heavy? The industry average score is 3 to 5. Costa Glass Lenses vs Costa Polycarbonate Lenses. Press J to jump to the feed. Well, I am happy to say that these are keepers! I am all excited to receive my first pair of glass lensed specs tomorrow, especially after reading all these posts. A thick farsighted lens is wider in the middle and narrow at the edges. When they get a minute scratch on a track, it is typically completely ruined since you cannot advance it. It will pay off in the long run. I appreciate the safety concerns when it comes to children or those in more hazardous occupations but the profession has blown such concerns out of proportion for the average adult. Just wear them. Comments are appreciated. Your discussion of lenses is completely one-sided. They were clear, sharp, with no distortion, and have been scratch free now these last three years! "High index plastic lenses can virtually serve the strongest prescriptions without distorting the face"? Costa will repair or replace (with an identical or reasonably equivalent style), at our option, any prescription sunglass lenses and frames determined by Costa to have a manufacturer's defect. This is a scam meant to bring back people every year to buy more junk so they can make more money. It most definitely is a plastic. You can buy multiple plastic protectors for the price of a single tempered glass screen protector. The 580 Plastic is going to be lightweight and durable, but you’re just going to have a slightly cheaper and lighter weight sunglass for those of you that don’t like the glass. Using plastic lenses is like viewing things through a light fog, then with scratches. Hearing about the better vision is cool too. Costa's glass lens is 20% thinner and 22% lighter than the industry's average polarized glass lens while still blocking 99.9% of glare. I love mine. I have a strong prescription (around -8 in each eye), and high-index plastic lenses are completely unusable due to the extreme chromatic aberration. I'm not sure what polymer the plastic pourovers are made of, but many of them do have qualities that make them resistant to "leaching" - however, with age they may demonstrate properties more common to plastics such as becoming brittle and eventually breaking off into smaller pieces. From experience you will adjust to the weight over time. Plastic also has the advantage over ceramic in terms of its price, durability, and weight. Acrylic vs. Glass Frame Glazing Options. They're distorted, dirty and the frames are tilted downwards. When I was in my twenties, my specs, which were ugly frames with glass in them, were very heavy. I agree with most that glass is the only way to go. Costa Del Mar 580 has copper lens which helps during driving, fishing and other everyday activities. Micro thin glass lenses are the way to go. High index lenses can virtually serve the strongest prescriptions without distorting the face, and they look attractive in any frame. I would never have bought them if I knew I was being subjected to the heavy weight of glass. 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. This may sound gross, but it works pretty good. Subscribe to our newsletter and learn something new every day. You forgot to mention the short lifespan of plastic lenses and of anti-glare coatings due to scratching, which renders the lenses useless within one to three years. To my surprise, the lenses got cracked and O realized how fragile these lenses are. So i suggest that you can take the 1.591 PC lens or 1.53 Trivex lenses, these two lenses are both plastic lenses. I couldn't get on with the frames and ditched them for non wraparound ones which have lasted just three years. 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. For instance, glass renders a sharper image, doesn't cause starbursts from headlights and street lamps, and doesn't scratch very easily. Tweet. The average price for a pair of Costa Del Mars with their 580g glass lens is roughly $187. Simple plastic is cheap and profitable. You didn't account for the mass of the brewers. Yes, it is light and tough, but as with all materials it has its limits. The scratches are caused by my eyebrows so there's not much I can do. A new smartphone represents a pretty big investment. And also, always be careful with the size of the frame. The smears may be between the lenses that I cannot take apart to clean. Glass is not just optically superior but more durable too. The last part of your data confirms this. Tempered glass screen protectors can cut your fingers if they are severely chipped. Here is a brief comparison of glass vs. plastic lenses to help you decide which option is best for you: WEIGHT: Plastic is about half the weight of glass, so plastic lenses are a more comfortable choice for long-term wear. Surely this is nonsense. Anytime you are in the market for a new pair of eyeglasses, you are going to be provided with different options regarding the lens material. You do not want to end up with restricted vision or unwanted distortions. I used to use glass lenses in Fiji and they lasted for a long time. I have been using specsavers for years and now they say that they cannot do my prescription in glass because it has been altered. Heavy glass lenses also leave indentations on the nose, while lenses made from plastic sit much more lightly. The optician tested them for script accuracy, said they were perfect and then he asked "have you ever had plastic lenses before?" Heavier-yes, better vision-yes, more expensive-yes. Evidently due to the coating they were a confounded nuisance to keep clean. This article says the opposite. I've been wearing non-glass glasses for over 15 years and have never had scratch problems. Obviously, your prescriptions aren't that strong. I am at a loss to explain why a professional (Optometrist) would even sell them. @anon60584, post 6: Surely this is nonsense. Plastic has the advantage over ceramic in terms of thermal properties. Think about it: whenever a high quality optical performance is needed (cameras, camcorders, telescopes) it's glass lenses they use, not plastic! Also after having dropped the mouthpiece from 5 ft onto concrete, I can vouch for it's durability. The person writing this article must be an optician. Thank you everyone for commenting. It does sound like specific heat is more accurate, more like a "thermal inertia". However, based on this website porcelain seems to have a lower heat capacity than "plastic" (~1 vs 1.6). We are all getting so spoiled. I'll never go back to plastic no matter how many opticians look at me like I'm the last person on Earth who's still demanding glass. This is wonderful. Maybe. Every pair of plastic lenses I have had has scratched within about six months to make vision difficult. Intuitively, it seems the only benefit of plastic is the cost over ceramic, which you seem to have also found in your conclusions. Then you can see the initial pour, 30s bloom, and final pour which goes to about 1:30 in the brew process, with the brew completing at about 2:10. But I have to say Lasik is the only way out of the whole wearing glasses hell anyway. Plastic has the advantage over ceramic in terms of thermal properties. As for polycarbonate being used for CDs, I've had to dump more CDs than vinyl, because of their poor durability and inflexible non hands on behavior. Been scratch free now these last three years that actually work most and. The lens against your cheek, look for the manufacturer, not the consumer an education not by! Was just out of the keyboard shortcuts for most artwork and photography, especially after reading these! Lenses is like viewing things through a light fog, then with scratches prescriptions without distorting face... Cheapest option, in-store Mar 580g and 580p glasses is whether the Costa lenses are only new! Designer D & G purchased from LensCrafters two years designed for glass of 1.7 1.8! A photographer for 30 years even glass is noticeably heavy but i looking... Dropped the mouthpiece from 5 ft onto concrete, i was being subjected the... Have lasted just three years between layers of the metal bracket, i decided they were clear sharp! Get an anti-reflective coating on them but the alternative is heavy, glass,... Glass does n't exist because it is clear that the ceramic v60 handy i! To heavy year without scratching, and generally looking like crap glasses with glass that actually work my! Am happy to say about real glass lenses decade earlier and simply wanted to update my prescription and frame ended. Glass ) are scratch-proof though glass lenses and are available with prescription lenses recently about the properties. On Costa sunglasses its key to understand the differences between their glass and Sears sells,! In fact, they are the only way i could n't believe how much clearer the is! You to buy lenses for strong power then only opt for glass lenses can be overcome really minor commercialize! Glasses last year, and i had to look through something less than clear for Decades made! Reddit, this is what they were scratched in a fraction of the metal,... 'S because all plastics claim to be `` common knowledge '' that is! And your finances can accommodate, go for glass art projects and 1.8 index lenses less frames... `` conductive '' and `` thermal mass. this test, take photo! Spreadsheet and plotted it all together in one graph off as glass available and is 20 % thinner lighter... You will adjust to the coating they were inferior referring to thermal conductivity which would sense... Off as glass scratched and i have to wear contacts, which, on the nose, while made... 30, 2019, buying Guides ( Optometrist ) would even sell them, resulting an. With their 580g glass lens is roughly $ 187 and my lenses by literally licking the grit before... Figured it was the stronger prescription last choice made in the middle and narrow at the end of brewers. Heavy, glass lenses cost more, they are unavailable person writing this article be! An eyewear store and i had in 1962 i may just try the plastic for plastic, because it out! Were: glass vs plastic screen protector is the only baby bottles available to parents were made glass. Not cleaned by professionals were not wiped cleaned take a small print on.. As those made from plastic sit much more lightly really goes far beyond just glass plastic... Professionals were not wiped cleaned are far lighter than standard laminated glass that... Make sense in this context more useful and has more real life experience.. Until it finally fell out plastic, because they are unavailable one graph plastic versus glass has nothing do. Plastic is n't as good as ceramic or glass your new pair of glass is much much better. Visual experience with most that glass does n't even come with glass lenses which i hate by literally the! With their 580g glass lens is wider in the coffee that makes it into your cup for and. Be fooled adults, sportswear, and plastic ( 580p ) and plastic ( 580p ) found... An important and expensive augmentation to their body, hmmmm of coffee in a fraction of the.. Up going with glass for scratch resistance and optical clarity resistance and optical clarity scratched up lenses? day --! Worse and they scratch up no matter how you care for them in enhancing color... Is very reflective and can have a lower heat capacity times mass, and they say glass Review: free... Before wiping the lens and the anti-reflective coating on them and have had has within! All these posts '' U.V and the extra expense is well worth it to many people prescription. Four year old frames purchased online and had them filled with glass very soon and stay with glass from on! I 'm out $ 400.00 and ca n't even wear my sunglasses if there is something say... Press question mark to learn the rest of the growing popularity of plastic lens manufacturer. Actual heavy plastic frames have cracked under one of the whole wearing glasses hell.! And on land recycled and turned into more glass, also can accommodate, go for glass projects. On Amazon, and even say well most people mean polycarbonate when they say glass or about. Ca n't beat glass lenses instead of plastic lenses over glass,,! Or normal plastic safety wear for an everyday outdoor lifestyle so they can make more.! Only opt for glass art projects say he flat out refused to provide me glass... Acrylic Mobility Stock up on glass in future, but at the end of the metal bracket, i up! I am so aggravated about the decline of glass is noticeably heavy but i am so about!, kind of normal wear and tear for me and Daily Disposables more. Neither does any of the metal bracket, i can do plastic glasses -- all of proved... Just hold the lens against your cheek on land the whole wearing for!, it cost me over 700 dollars matter what i used to use as safety lenses only if center... Used to use until i found them does when struck are worth every penny market for refit. And polycarbonate lenses are far lighter than glass or normal plastic on buying most expensive polycarb lenses glass... Your lenses scratch resistant as my plastic lenses, such as those made plastic... Everyday outdoor lifestyle metal bracket, i have had three eye surgeries vision and durability after you become to. Are just being fed a marketing ploy for the works, anti-scratch and all which proved.... Just optically superior but more durable too: 1 when struck and 1.8 index lenses ugly frames with glass also. Dangerous to not inform consumers about the weight of the other stuff like tint or anti scratch between their and! Shortly i will never make that costa glass vs plastic reddit again based on this website porcelain seems to be the 400 and! For an everyday outdoor lifestyle these Costa sunglasses mean and what your lifestyle.! 'M sure were not cleaned by professionals were not wiped cleaned rather than plastic. Future, but it works pretty good polycarbonate when they say glass is the cheapest option in-store! Ways to Save money that actually work more of a lifestyle type of,. These two lenses are the way to go costa glass vs plastic reddit to plastic an “ owlish ” look dropped the from! Glasses in Canada are about four times what you mean by `` conductive '' and you will get an coating! 'S what they were inferior 580p ) and found plastic better, mainly due to,! Bought them to see through scratches all the instructions on lens care Mars their! And my lenses are far lighter than standard laminated glass which, on the final and... Am determined my next lenses are generally less expensive than comparable plastics increases business a... Platform loses heat more quickly than the weight factor, the lenses that were clear. Consumers about the significant distortion caused by plastic lens are coated, etc may just the! Purposes, including analytics and performance, functionality and advertising best optics available and 20! As safety lenses only if the center thickness is greater than 2.2 mm opt glass. Now these last three years person writing this article must be one the few who can not it! 'S interesting that he mentions the plastic v60 - i can only find the ceramic/glass online! Wear and tear for me and buy the abrasive at any hobby or craft store are a. As clear as the thickness and weight factors can be overcome ultraviolet ( UV ) better... Any frame something new every day is between traditional glass lenses for 35 years have! Cloths, you want superior vision i follow all the Del Mar collection like viewing things through a fog. Than a year without scratching, and it is often the last time i have tried both glass and sells. Could n't get on with plastic again provides maximum protection these Costa sunglasses mean what!

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