Other styles of plastic or polycarbonate lenses require specific filters for UV protection, which can add to the cost. Way too many people leave these off because they think they can not afford this protection from sunlight. When UV protection is made in to the lenses, however, it can feel more affordable. Having an Abbe…
When you need a durable plastic material for your own use or application, you almost certainly need the polycarbonate or acrylic sheet. With regards to impact resistance and strength, you already know polycarbonate wins by large. Below, we break down the professionals and cons of each and provide some common acrylic applications for every type…
It’s optical quality is nearly as good as glass , it really is half as heavy as glass, it is a lot more resistant to shattering, and still very resistant to scratches. To get the best value, it’s necessary to understand the features and benefits of all eyeglasses lenses and treatments. Choose wisely through the…
Highly resistant to impact, won’t shatter, and are 10 times stronger than glass or standard plastic, making them perfect for children, safety lenses, and physical exercise. The cost and quality of polycarbonate lenses will vary depending on your prescription and owner, so it’s worth doing your research. Together with your prescription, you have the right…
If your glasses were manufactured from an increased index material it will probably be liked as something like “Hi-Index/1.67” or “Hi-Index/1.74”. In the event that you got polycarbonate and you also had a higher index material previously this may be the key reason why everything doesn’t seem as superior. It isn’t unusual for 1.67 high-index…
Glass is really a heavier material than plastic, therefore, glass sunglasses may become uncomfortable to wear for extended periods of time. If someone is sensitive to pressure or really wants to wear their sunglasses for an extended time frame, polycarbonate lenses are recommended. They don’t shatter and impact quickly, making them perfect for people who…
For anyone who is purchasing glass lenses, make sure they have this additional coating to safeguard your eyes from the Ultra violet rays. It is actually important to note that a lot of people cannot even tell the difference in the clarity between glass and polycarbonate lenses nowadays. Polycarbonate lenses have come a long way…
Research resumed in 1953, when Hermann Schnell at Bayer in Uerdingen, Germany patented the initial linear polycarbonate. The cockpit canopy of the Lockheed Martin F-22 Raptor jet fighter is manufactured out of a bit of high optical quality polycarbonate, and may be the largest piece of its type formed on earth. Na22CMe2 + COCl2 →…
However, there is a major disadvantage of using plastic lenses as well. Plastic lenses might resist scratches but they are susceptible to getting cracked. They could shatter if struck properly,especially during sports or buttoning a shirt. Polycarbonate lenses are always recommended for children due to their impact-resistant properties. This lens type can be suggested if…
Our glasses include prescription lenses with scratch-resistance, anti-reflective lenses that block 100% UV rays. High index lenses with 1.74 high index are the thinnest lenses available, and are made only for people with the highest prescriptions. If your prescription is leaner than +/-6.00 sphere, there is no need so that you can spend the excess…