The lenses you select for any branded eyewear need essential need more than frames. Besides, lenses determine how you are happy with your eyewear because they are the only thing through which you see around the beautiful world.
But keep in mind that shopping for lenses is not an easy task because of the coming wide variety of coating and lens options. A lot of options in the lens’s category can make you confused about what is worth you are shopping for.
Here is a buying guide that will help you find the right eyewear lenses and coating that suit your needs and values.
Why Choose the Right Lens for UVEX Safety Prescription Glasses?
In eyeglasses shopping, a frame is an essential part of choosing because it affects your appearance and comfort while wearing them. But in the case of lens options, eyewear lenses affect factors like safety, vision, comfort, and appearance.
Most people make common mistakes while buying eyeglasses and don’t spend enough time to consider most of the eyeglasses lens choices like design, materials, and coating. Here is the best guideline that will help you to choose wisely while buying lens material.
You will attain knowledge of whether you need single-vision lenses for farsightedness, nearsightedness, or astigmatism. Besides, you may need progressive, bifocals, or multifocal lenses that help to correct presbyopia.
Prescription Safety Glasses with Different Lens Stuff:
Glass lens material: in the past for vision correction, all prescription spectacles were made of glass material. While glass lenses provide exceptional optics they are heavyweight and can break easily.
Easily breaking, Shopping Glasses Online, can cause danger to the eyes or even vision loss. Due to these reasons, glass lenses are no longer used in Rx eyeglasses.
Plastic Lenses
In 1947, a California lens company first time introduced plastic eyewear lenses. At that time lenses were made of plastic material polymer known as CR-39 because it was the invention of the 39th thermal cured plastic. Due to its lightweight nature almost half of the weight of the glass stuff, Reasons to Wear Eyeglasses, which was low cost and has excellent optical features. From that day, this material has become a favourite lens material for eyeglasses.
Polycarbonate Lenses
At the beginning of the 1970s, Gentex Corporation first time presented polycarbonate lenses for protective eyeglasses. After one decade, polycarbonate lenses have gained popularity, and still, they are the favourite of everyone because of their sturdy nature. Polycarbonate material was originally used in the helmet visor for safety in the Air Force in the making of bulletproof glass. Besides, this stuff is lightweight and impact-resistant as compared to CR-39 plastic. Polycarbonate material is ideal for the kid’s eyewear, protective eyeglasses, and sports spectacles. Another feature of impact resistance material like polycarbonate is Trivex, it was introduced by an eyewear company in 2001. A great advantage of this material has a higher Abbe value.
High Index Lenses
For the response of lighter and thinner eyewear, several lenses have been introduced that are high index plastic lenses. Such lenses are thinner and lighter than CR-39 plastic stuff. Besides, they have a higher index of refraction and lower specific gravity.
