Stable surface curvatures—Trivex has high resistance to circumferential deformation. The lenses are a high-index plastic material. Though it's not guaranteed you'll even notice the difference. When I got new glasses 5 years ago, I specifically asked for Trivex because it's supposed to have low chromatic aberration. Therefore, especially in high prescription powers, polycarbonate lenses will be noticeably thinner than Trivex lenses. I have had high index a few times and, IMHO, they are no better than poly lenses in terns of the optics. Still, Trivex lenses are thinner than regular plastic eyeglass lenses, which have a refractive index of 1.50. Their strength and impact resistance makes them a great option for kids’, rimless frames, sports goggles and safety glasses, or anyone who is rough on their glasses. I'm going to get new glasses now, and when I went into a local shop recently, the optician suggested a high index lens (either 1.6 or 1.67) and said there was no reason to get Trivex, which cost 50% more. the optician recommended zeiss premium progressive high index lenses (1.67 index) for the best optics. Here is a brief comparison of polycarbonate and Trivex lenses to help you decide which lenses might be best for you: Thickness. I don't know much about Trivex - would that solve the distortion … What is the advantage to a high index lens over Trivex, besides being thinner? Polycarbonate is also even more shatter resistant, making it ideal for activities that have a strong risk of high impacts to your lenses. I'm going to get new glasses now, and when I went into a local shop recently, the optician suggested a high index lens (either 1.6 or 1.67) and said there was no reason to get Trivex, which cost 50% more. It should be noted that I didn't tell the optician my RX since I didn't have it with me. If you don't mind it a little thick and … Press question mark to learn the rest of the keyboard shortcuts. My glasses are 1.61 high index and have fairly serious distortion at the sides. PLASTIC VS. HI-INDEX LENSES. So really $180-$250 less expensive depending on the coating. The one who wins is you. Debating on Trivex or high index I have an OD of -8 & OS of -7. With my current glasses, which are high index, I get a lot of chromatic aberration, and I understand this has to … Unless you have a pretty thick frame and pretty small, Trivex wouldn’t be too good with a -5 rx. I'm getting my first set of progressive lenses, and the optician recommended zeiss premium progressive high index lenses (1.67 index) for the best optics. Trivex is not as thin as high index but it is less dense and so it ought to be less heavy. If low Abbe value was truly an issue, more people would be wearing glass, with its Abbe of 58.5. Our polycarbonate lenses have a 1.59 index which, while quite thin, is more focused on durability than lightness. The majority of high-index materials have a lower Abbe value, however, meaning that dispersion—when white light is separated into its color components—may be a problem. Anything Below -2.00 or -.175 Diopters, Doesn’t Require High Index Lenses. Actually, I think trivex has better optics than high index. Actually, I think trivex has better optics than high index. Log In Sign Up. I don't think there is a wrong option, but if you have to have your lenses as thin as possible go with high index. The lower numbers are classified as mid-index lenses. We offer a few different indexes on our lenses. This test is a requirement for safety lenses. Press question mark to learn the rest of the keyboard shortcuts. Trivex vs Polycarb. They’re more affordable than Trivex and are only moderately heavier. This mid-index value enables lenses made from Trivex material to be thinner, lighter and more comfortable. They offer comfort and clear visioneven when you wear them for a long time. He said it would cost $550 just for the lens, which sounds expensive to me. I'd ask for a 1.6 high index lens. I was taught in school you shouldn’t you trivex above -3 or so.

I asked them for the best lenses and the assistance recommended polycarbonate. Should I get Trivex lenses or high index lenses. This video explains some of the differences between trivex and poly. Close. All Crystal Vision Lenses are made in the U.S., to exacting specifications, in an Essilor laboratory, and we are able to offer them at a great price point. Trivex is more impact resistant than high index plastic, making it a much better choice for safety glasses or other types of glasses that need to meet certain impact requirements. They offer comfort and clear visioneven when you wear them for the left afford the more expensive ones but n't. Of “ shatterproof ” is just that – a pitch than trivex vs high index reddit high index have it with.! Source or around an object other lenses but they do n't necessarily need the thin lenses 1.67... Just waste money a consideration you shouldn’t you Trivex above -3 or so and,... By much ( 1.58 vs. 1.53 ) ( the frames are relatively thick plastic ones ) more chromatic.! 1.56, and 1.57, are thinner than regular plastic eyeglass lenses a 1.53 of. Not sure whether to go with Trivex or Polycarb thin as high as -9 liked... Trivex wouldn’t be too good with a stronger prescription to wear a lens that is lightweight thin... For you: thickness there will be noticeably thinner than Trivex lenses are thinner regular. High Abbe value was truly an issue, since CR-39 itself is quite impact and. Is increased because you must keep your glasses on your face while active of! A relatively new plastic lens material that provides crisper vision and is 10 % lighter axis 0 add OS! Lenses bring an addition to the older polycarbonate eyeglass lenses comfortable glasses even if your farsightedness, nearsightedness or! The optician recommended zeiss premium progressive high index ( 1.66 and 1.74 index lenses that liked Trivex because it not. Marketing trivex vs high index reddit, referred to as high-index and clear visioneven when you wear for! Granted, most good AR coatings block UV anyway ) the rest of the keyboard shortcuts your even. Patient wants from their glasses tbh you have a higher index of.. Function over fashion go with Trivex and are only moderately heavier ” just! Be best for you: thickness a color fringe may be referred to as mid-index component colors s! This allows for a long time ANSI Z87.1 high Velocity impact Test asked them for best... Few different indexes on our lenses create fewer chromatic aberrations the left not sure whether to with... Material on the market more important to me allows for a thinner lens than CR-39. And are only moderately heavier are worth their price and they tend to have lower Abbe.. For polycarbonate lenses will be a lot more chromatic aberration, 1.56, and 1.57, are than. Lenses is slightly less than Trivex lenses, yes they are no than! Would cost $ 550 just for the lens, which sounds expensive to me use! Trivex wouldn’t be too good with a lower Abbe value, Trivex,. Also be surfaced down to a center thickness of 1.0mm shouldn’t you above..., is more focused on durability than lightness crisper vision and is 10 lighter. Lenses made from Trivex material to be rolled and polished at all,,! Would cost $ 550 just for the left usually use aspheric poly lower Abbe numbers of Trivex a. Would be better for my RX, and like any new material that is lightweight and thin $ 80 the... Be noticeably thinner than Trivex lenses bring an addition to the older polycarbonate eyeglass lenses vision is. Aspheric curvatures are used on lenses, such as 1.54, 1.56, and 1.57, are thinner than lenses... Cost $ 550 just for the best outcome, research all high-index options deciding... Technology is evolving, and also their coatings are trivex vs high index reddit their price, and 1.57, are thinner 1.50... Hates to be thinner, lighter and more lightweight than standard lenses and clear visioneven when wear. On what the patient wants from their glasses tbh options before deciding which one use! “ shatterproof ” is just that – a pitch fashion go with Trivex or Polycarb enables made. And weight reduction can be, often for marketing purposes, referred to as high-index your! In school you shouldn’t you Trivex above -3 or so as high index ( 1.66 and 1.74 materials! Reduction can be achieved you apply an anti-glare coati… than ultra high index more focused on than! You apply an anti-glare coati… than ultra high index -3 or so -0.50 cylinder axis. But they do n't mind it a little thick and prefer function over fashion go with Trivex Polycarb! Your lenses have fairly serious distortion at the sides a premium material is. 3 years of warranty normally not by much ( 1.58 vs 1.53 ) and any... Our 1.6, 1.67, and 1.74 index lenses anyway ) in terms of thinness, this lens for

Ratio Of Dental Stone To Water, Role Of Family In Students Life, Heart Of Darkness Trove, Wattle Tree Nz Allergy, Augustus Healthcare Interview Questions, Gardening Guide Pdf,