Crystal Lenses Vs Polycarbonate

They can still break, therefore official safety glasses ought to be worn for eye-hazardous jobs and sports. Additionally, Trivex and polycarbonate naturally block most UV light and don’t need the use of a UV coating. Also, they are lab favorites for used in rimless frames, because polycarbonate lenses could be easily drilled and resist cracking round the drill holes. A disadvantage of polycarbonate is that it’s naturally a soft material causing it to scratch easier.

• Over time, UV damage can lead to eye problems such as cataracts or cancer.
• Glass lenses have the least
• No matter whether you prefer glass or polycarbonate, constantly be sure your lenses have completely UVA/UVB protection.
• This article reviews the different lens material choices for glasses.
• Luckily, polycarbonate lenses already filter harmful Ultra violet rays from the sun.

This is the reason glass is primarily used in microscopes, binoculars, telescopes, and cameras. Although an excellent option for most people, a small % of the population complains that they do not see as clearly through polycarbonate lenses.

Normal Index Lenses

Higher grade TAC lenses are available and these could be 1.6mm thick. With TAC, as the polarised film is on the front it can scratch and finally lose some of its polarising properties. On more costly polarised sunglasses (typically above £60) the lens material is likely to be polycarbonate. Here the polarised film is sandwiched between two layers of polycarbonate meaning the polarised film can’t ever wear out.
These details will explain the basic forms of lens materials available and the most common lens options. Glass can be treated to have greater impact resistance and are also the most scratch-resistant kind of lenses. The type of lenses in your glasses play a large role in your vision, comfort and safety when wearing eyeglasses. And buying the very best lenses for your glasses is not a simple task.

Ultraviolet treatment is applied to lenses to protect against harmful UV sun rays that may accelerate the development of cataracts and macular degeneration. While no lens is scratch-proof, this special coating does make lenses harder to scratch when dropped or rubbed against a difficult surface. The anti-reflective coating decreases unwanted glare and halos at nighttime.
If you try to take the lens out, you might damage it or the frame of your glasses. Vertically polarized lenses decrease bright

Ultraviolet Protection

They’re very affordable and durable, but they have to have special coatings applied in order to be scratch-resistant, blue-light reflecting, and UV reflecting. Nevertheless, they’re still the norm and provide a lighter, stronger eyewear experience than glass. Exactly like frames, there’s a lot of various kinds of lens that are found in eyewear.

The largest difference is that Trivex lenses are constructed with a urethane-based monomer that’s crafted through a cast-molding process (instead of an injection-molding process). Oliver is an ABO Certified Optician and has been working in the eye care industry for over 15 years. His books, videos and articles touch on various subjects, such as eye care, good tech habits, motivation and leadership. Plastic lenses are less inclined to cause problems with glare being that they are naturally less reflective than glass. Glass lenses are usually manufactured with a higher index, gives them a thinner, more attractive appearance.

Polycarbonate lenses cost a lot more than their plastic counterparts, however, the price could be brought down with vision insurance and frame allowance. While plastic lenses are usually cheaper, polycarbonate lens may save you in the end since you can get less replacement costs. Depending on the individual and their usage of sunglasses, one lens type could be more preferable than others. While some diehards swear by glass, the greater majority opt for the more impact resistant polycarbonate. Whatever you choose, as long as you’re sunglassing it up, we’ll call it good. What maybe you don’t know is why among the best sunglasses producers opting for nylon lenses for their top-of-the-line eyewear. Hereafter we will supply you with a quick guide to nylon lenses and their benefits, but let’s start with a brief clarification.
On top of that, we let you extend your standard warranty for another year! Just add the extra warranty to your cart, and we will add on another 12 months, one time replacement to your purchase. For Fuse +Plus lenses, this add-on is for one extra lens replacement over the duration of your lenses. Do you have a question about eye health, eye diseases or related topics?