Polycarbonate vs. Plastic Lenses: Which is Better?
2023年10月31日 · Overview of plastic lenses. Plastic lenses are also known as CR-39 ("Columbia resin 39”). This material has been widely used in eyewear since the 1970s and is still a popular choice among people who wear prescription glasses. Previously, lenses were made of crown glass and were heavy and more likely to shatter. The development of plastic ...
Polycarbonate vs. Plastic Lenses: Which is Better? - All About Vision
2023年10月31日 · Plastic and polycarbonate are common lens materials used in eyewear. Plastic is lightweight and durable but thicker. Polycarbonate is thinner and provides UV protection but scratches easily and is more expensive than plastic. Each lens material has unique qualities that make it more appropriate for certain age groups, needs and lifestyles.
Plastic vs Polycarbonate Lenses – Is One Really Better?
2018年8月14日 · Plastic lenses or also known as CR-39 is the most common optical lens material you will find. The CR stands for “Columbia Resin” which is the polymer that the material is made out of and the 39 means that there were 38 other “Columbia Resin’s” that …
What Are Polycarbonate Lenses? Pros, Cons, Cost, and More
2024年9月24日 · Polycarbonate is the ideal lens material for children’s eyewear and prescription safety glasses. Impact resistance sets them apart from other eyeglass lenses. They’re an optimal choice for people with active lifestyles who are more prone to …
Polycarbonate vs. High-Index Lenses: What's the Difference?
2023年12月7日 · They offer a dramatically thinner lens than traditional glass and plastic lens materials, which makes them more cosmetically pleasing. Read on for more details about these lens materials, as well as some advantages and disadvantages to keep in mind when picking out your next pair of specs.
Glass or Plastic: Which Type of Lens Should You Choose?
Plastic lenses are very difficult to crack or break and are much more durable than glass lenses— making them a great choice for both kids and adults. Reduce glare. Plastic lenses are less likely to cause problems with glare since they are naturally less reflective than glass.
Polycarbonate Lenses vs. Trivex Lenses - All About Vision
2019年2月27日 · Polycarbonate and Trivex lenses are much more impact-resistant than regular glass and plastic lenses (including other high-index lenses) because these lightweight lens materials are relatively "soft" — which means they can absorb energy without lens fracturing.
Polycarbonate Lenses vs. Glass Lenses | Differences Explained
2022年5月26日 · There are plenty of lower-quality plastic lenses that you should definitely avoid. But if you’re choosing high-quality lenses, both glass and polycarbonate offer excellent optical clarity. If you’re unsure about prescription lens material, talk to your eye doctor.
Polycarbonate vs. Plastic Lenses: Which Should You Get?
Plastic lenses were a great innovation because they offered high optical quality, lower cost, lighter weight, and more impact resistance compared to glass. As a result, plastic lenses are now the material of choice in budget-friendly lens packages.
Exploring the Differences: Polycarbonate and Plastic Lenses
2024年5月1日 · Polycarbonate lenses are also known to have built-in UV protection, an essential feature when considering eye health. On the other hand, plastic lenses, also known as CR-39 lenses, are a common choice due to their cost-effectiveness. They offer excellent optics and are lighter than glass lenses.