Poly Vs Trivex
Their glasses involve some flexibility, however the material that makes them less breakable is protected by way of a coating that makes them hard and durable. Polycarbonate lenses are about 10% thinner than Trivex lenses.
- Its impact resistance is around five times greater than other high-index choices.
- With an increased index , light is bent better, so that it requires less material to achieve the eyeglass prescription making the lenses much lighter.
- Resistance to scratches, so they are less inclined to fog your vision.
- Other styles of plastic or polycarbonate lenses require specific filters for UV protection, which can add to the cost.
in conventional corrected curve theory. Significant astigmatism, higher than 1.50D, can only just be properly optimized peripherally with a well-designed free-form lens. Armed with this information, an ECP can finally quantify and appreciate Abbe’s effect on vision. With a diverse selection available, you can buy stylish glasses for the bike, sports field or the road that make you appear and feel fantastic. GlassesUSA has a large choice of contacts, glasses, & sunglasses. Liingo Eyewear is another great substitute for buy glasses online. If you’re considering purchasing new eyewear and are interested in Trivex, get hold of your eye care specialist for more information.
70 Mineral Asp White Uc Optical Lens
In recent years there has been some confusion between the properties of both Trivex and polycarbonate lenses. Your professional optician can discuss the professionals and cons of polycarbonate and Trivex lenses so you can decide which lens material is the better choice to your requirements and budget. If you want more info about our lens technology, including our state-of-the-art computer glasses, please contact Felix Gray to learn more. We can also assist you to together with your non-prescription eyeglass needs aswell. Next, take time to inform your clients of the advantages of optimized, free-form lenses. If the Rx has cylinder power over 1.00D, definitely select a good, free-form single vision lens.
Please continue reading – there are far better materials available at just a few dollars more per pair. Resistance to stress and cracking produces a durable lens material when it comes to combatting the normal wear and tear sunglasses experience in everyday life. Eyeglass Tyler compares the professionals and cons of two popular lens materials, Trivex and polycarbonate, that will help you figure out which one is right for you. I definitely agree that a lot more than any optical material poly’s success depends on quality of processing, namely surfacing and finishing.
There’s only 1 real con to PC lenses, but according to Tyler it’s a big one, and that’s the optical clarity.
can appear minified, although the effect is not as dramatic as it is for farsighted people.
49 Hc Hard Coating Optical Lens
Lenses shield our optics from potentially dangerous elements – harmful sun-rays, water, debris and, even, our fellow competitors. Eyeglass lenses tend to be categorized by their refractive index . Polycarbonate lenses have been around longer and so are more widely available. Trivex lenses often cost a lot more than polycarbonate, though the prices vary widely for both.
Trivex recorded a higher Abbe value of 45, compared to polycarbonate’s score of 30, showing your vision will undoubtedly be clearer and contain less distortions with the former. During the manufacturing process of injection molding, Polycarbonate lenses are melted, compressed and shaped under high pressure, and then cooled into the final product. Standing still today and searching in to the long run, we sincerely welcome shoppers all around the globe to cooperate with us. Last but not minimal, we also pay more focus on training our managerial personnel, technicians and workers in planned way. CR-39 lenses have a higher Abbe value of 59.3 making them the lenses with minimal distortion from dispersion/chromatic aberration. The refractive index of a basic plastic lens (CR-39) is 1.498 meaning that light travels 1.498 times faster in vacuum pressure than it can through the plastic lens.
However, there is absolutely no difference in their scratch resistance properties. This makes it a great choice for rimless glasses, because drilling holes in to the lenses won’t create hairline cracks like with polycarbonate. So if you’ve got your eye on that style, we strongly suggest Trivex.
