Why is polycarbonate chosen for eyewear material?

Polycarbonate comes with a coating that allows it to be tinted significantly darker than high-index. A lot of people can’t perceive the color distortion at these levels.

• For some clarity which lens material is best for you, let’s have a little face-off between your generations-old glass and the young upstart polycarbonate.
• However, you need to understand your choice will affect durability, visual clarity, and more.
• The helmets used by baseball and football players are also made from polycarbonate.
• In 1947, the Armorlite Lens Company in California introduced the initial lightweight plastic eyeglass lenses.

Our polycarbonate lenses include edge polish and scratch-resistant and UV-protective coatings at no additional expense. Let us create the lenses that work best for you personally with additional lens options, including A/R treatment, digital light protection, or Transitions® light-adapting treatment. There is much more to purchasing eyeglasses than what first meets the attention. It’s not just choosing the right frame, cool shape, or funky colors.
Each one of these materials has advantages and may be the most desirable in certain circumstances. Just like the CR-39, the trivex lens has a lower index of refraction, causing the lens to be thicker with a higher prescription. Before going in to the different materials, it is usually good to comprehend the index of refraction. Some materials are categorized by the index of refraction, which indicates how fast light travels through a given material. Glass is heavy and can be uncomfortable to wear for sustained periods of time.

Maui Jim Polycarbonate Lens Explained

Aspheric lenses are also much much lighter than standard spherical lenses.

features or enhancements that you may want to consider. Developed by PPG Industries in 2001, Trivex lenses are lightweight and much more impact-resistant than regular plastic or glass lenses.
I can testify they do seem to scratch easier, but we’ve never had a lens break. Since she’s so young and her prescription tends to change each year, I don’t find the scratching to be that big of a con. It sounds like I have to look out for scratches on my lenses, though.

Why Choosing The Right Eyeglass

That’s especially true considering you probably don’t want to pay for a new couple of glasses every few months. Polycarbonate lenses are soft and flexible, that is what makes them incredibly impact-resistant. Utilizing a “dress” frame with polycarbonate lenses is okay when your primary goal would be to create thinner, more cosmetically appealing lenses.

It’s vital that you note comparisons made in this article are between high-index and polycarbonate plastics only. High-index glass is an option in some situations but will not be addressed in this post. Photochromatic lenses have a particular chemical coating which makes them change to a dark tint in the sunlight and turn clear indoors. They are available mostly in grey or brown tint but a great many other colors are available.

Armourx 7106 Safety Glasses

Polycarbonate glasses can help reduce an individual’s threat of developing cataracts. Polycarbonate lenses have significant benefits over other styles of lenses on the market. In addition to their excellent impact resistance, polycarbonate glasses are up to 40% thinner and one-third lighter than standard plastic lenses. These properties make polycarbonate glasses ideal for people who have high prescriptions. As a result of their capability to absorb impact, the lenses are soft and therefore more vunerable to scratches.
You can use these details to choose which eyeglasses lens material type is right for you personally. With regards to eye safety, polycarbonate and Trivex eyeglass lenses are just the main solution. Polycarbonate lenses were introduced sometime in the 1980s by the Gentex Corporation. This new eyeglass lens material had a high index of refraction, rendering it to be the lightest and thinnest lens material available then. Polycarbonate and Plastic lenses differ from each other in many factors such as for example affordability, tint resistance, UV protection, impact resistance, lightweight, and optical clarity.
Mean you won’t still squint when you are in direct sunlight without sunglasses. Here’s what you should know about polycarbonate glasses and how they can seriously level up your eyeglass game. If you’re like the majority of customers, less weight could be more vital that you you than slightly thinner lenses. Prescription lenses are made to refract light according to your prescription.