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Item specifics
  • Item Type: Eyewear Accessories
  • Eyewear Accessories: Lenses
  • Coating: HC
  • Brand Name: Brightzone
  • Lenses Material: Polycarbonate
  • Model Number: 1558 & 1553
  • Gender: Men
  • Considion: Brand new, A+ grade
  • Lenses Color: Clear
  • Lenses Material: Resin cr-39
  • Place of Origin: Jiangsu, China (Mainland)
Product Description


Lenses index:  1.558 super-tough Trivex CR-39 resin lenses is USD35.99/pair    (SPH: 0 ~ 800;CYL: 0 ~ 2.00)

Products description: 
* Ultra tough impact-safe resin pc lens myopia lenses (suitable for rimless drilling lenses)
* The use of advanced materials, with very high impact resistance, the eyes can provide more secure protection.
* New ultra-thin subdural process design, scratch-resistant, stain resistant, waterproof, anti-UV, anti-static high-performance.
* Aspheric design to effectively improve the visual contrast, light and comfortable.

 Note: 1.558 Trivex super-tough resin lenses (suitable for the power: 0-800 degrees, astigmatism 0-200) 


Lightweight, impact-resistant polycarbonate and Trivex lenses are the best choice for safety glasses, sports eyeglasses and children\'s eyewear.


Polycarbonate vs. Trivex Eyeglass Lenses - Which Is Right for You?
When eye safety is a concern, polycarbonate or Trivex lenses usually are the best choice for your eyeglasses, sunglasses and sports eyewear.
Both polycarbonate and Trivex lenses are thinner and lighter than regular plastic lenses. They also offer 100 percent protection from the sun\'s harmful UV light and are up to 10 times more impact-resistant than plastic or glass lenses.
This combination of lightweight comfort, UV protection and impact resistance also makes these lenses an excellent choice for children\'s glasses and safety glasses.
Most other plastic lenses are made from a cast molding process, where a liquid plastic material is baked for long periods in lens forms, solidifying the liquid plastic to create a lens.
Polycarbonate Lenses
Polycarbonate was developed in the 1970s for aerospace applications, and is currently used for the helmet visors of astronauts and for space shuttle windshields. Eyeglass lenses made of polycarbonate were introduced in the early 1980s in response to a demand for lightweight, impact-resistant lenses.
Since then, polycarbonate lenses have become the standard for safety glasses, sports goggles and children\'s eyewear. Because they are less likely to fracture than regular plastic lenses, polycarbonate lenses also are a good choice for rimless eyewear designs where the lenses are attached to the frame components with drill mountings.
But polycarbonate is a thermoplastic that starts as a solid material in the form of small pellets. In a lens manufacturing process called injection molding, the pellets are heated until they melt. The liquid polycarbonate is then rapidly injected into lens molds, compressed under high pressure and cooled to form a finished lens product in a matter of minutes.
Trivex Lenses
Despite its many advantages, polycarbonate isn\'t the only lens material suitable for safety applications and children\'s eyewear.
In 2001, PPG Industries (Pittsburgh, Penn.) introduced a rival lens material called Trivex. Like polycarbonate lenses, lenses made of Trivex are thin, lightweight and much more impact-resistant than regular plastic or glass lenses.
Trivex lenses, however, are composed of a urethane-based monomer and are made from a cast molding process similar to how regular plastic lenses are made. This gives Trivex lenses the advantage of crisper optics than injection-molded polycarbonate lenses, according to PPG.
Polycarbonate vs. Trivex Lenses: A Quick Comparison
Here is a brief comparison of polycarbonate and Trivex lenses to help you decide which lenses might be best for you:
+Thickness: Polycarbonate has a higher index of refraction than Trivex (1.58 vs. 1.53), so polycarbonate lenses are about 10 percent thinner than Trivex lenses.
+Weight: Trivex has a lower specific gravity than polycarbonate, making Trivex lenses about 10 percent lighter than polycarbonate lenses.
+Optical Clarity (central): Trivex lenses have less internal stress and may produce sharper central vision than polycarbonate lenses.
+Optical Clarity (peripheral): Trivex lenses have a higher Abbe value and may produce sharper peripheral vision with less chromatic aberration than polycarbonate lenses.
+Impact Resistance: Polycarbonate and Trivex lenses have comparable impact resistance.
+UV Protection: Polycarbonate and Trivex lenses both block 100 percent of the sun\'s UV rays without the need for special UV-blocking lens coatings.
+Availability: Polycarbonate lenses are available in a wider variety of lens designs (e.g.,progressive lenses and other multifocals) than Trivex lenses.
+Cost: The cost of polycarbonate and Trivex lenses can vary considerably, but many optical stores charge more for Trivex lenses than polycarbonate lenses.
Your professional optician can discuss the pros and cons of polycarbonate and Trivex lenses so you can decide which lens material is the best choice for your needs and budget.
Scratch Protection
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.
This flexibility also means polycarbonate and Trivex lenses need a scratch-resistant coating to prevent surface scratches. Today\'s modern scratch-resistant coatings can make the surface of polycarbonate and Trivex lenses nearly as hard as glass.
Most eye care professionals offer a lens warranty to protect your lenses against scratches for a specified period of normal use. Ask your optician for details.
Proper Frames for Polycarbonate and Trivex Lenses
When it comes to eye safety, polycarbonate and Trivex eyeglass lenses are only part of the solution.
For the best eye protection at work and during sports, be sure you also invest in high-quality safety frames or frames designed specifically for sport eyeglasses.
Regular eyeglass frames are not rated for use as safety glasses and typically don\'t provide the type of eye protection needed for sports. Therefore, playing sports while wearing an eyeglass frame that is not rated for sports eyewear is dangerous and can result in a serious eye injury if the frame breaks, dislodging the lenses.
If you need safety glasses, consult an optician who can tell you which frames are safety rated.
For children\'s eyewear, choose a sturdy frame and lightweight polycarbonate or Trivex lenses. Even if he or she does not participate in organized sports, choosing impact-resistant eyeglass lenses and frames is an important step to protect your child\'s eyes throughout the day for a lifetime of good vision. 



 We can assemble the complete glasses, can supply spherical and aspherical lenses.


This is a contrastive photo between spherical and aspherical lenses in thickness:



1. In order to make out a perfect frame to fit for your face, we need to know your measurement and PD, please inform us the following: 
These 3 points we need to know to make the lenses:
 1). Diopter: left = (-5.00), right = (-5.00)       ------- this is an example for your reference.
 2). For PD: (pupil distance, the distance from the centre of left eye to the centre of right eye)
If it\'s inconvenience to go to optical shop or hospital, you can measure several times by yourself, check the following photo and it\'s very clear to see the size:
          (Right eye)  l--------------PD size------------l    (Left eye)
 3). Astigmatism: If your eye have astigmatism, please provide the power of astigmatism and axis.



You can add a pair of lens for your frame, please send us your Rx that you can scan or photo it, thanks.







Packaging Details
  • Unit Type: Pair
  • Package Weight: 0.2kg (0.44lb.)
  • Package Size: 10cm x 10cm x 5cm (3.94in x 3.94in x 1.97in)
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Packaging Details
  • Unit Type: Pair
  • Package Weight: 0.2kg (0.44lb.)
  • Package Size: 10cm x 10cm x 5cm (3.94in x 3.94in x 1.97in)
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