News

Can You Still Use Scratched Eyeglass Lenses?
by admin on 26-09-20
Have you ever encountered this trouble when wiping your glasses: suddenly noticing a few fine scratches on the surface, some so shallow they're barely visible, while others are clear enough to block your line of sight? Can scratched lenses still be used? Will they damage...
Read more
CR-39 vs. Nylon: How to Choose the Best Sunglass Lens Material for Your Brand?
by admin on 26-09-08
In sunglass design and manufacturing, the choice of lens material directly dictates wearing comfort, optical clarity, and long-term durability. Among the vast array of material options, CR-39 (Columbia Resin) and Nylon (Polyamide) stand out as the two most dominant conte...
Read more
Why Your Photochromic Lenses “Fail” in the Summer?
by admin on 26-08-18
If you wear transition or photochromic lenses, you’ve probably noticed an annoying paradox. On a crisp, bright winter day, your glasses turn pitch black the second you step outside. But in the middle of a scorching summer afternoon, when the sun feels blindingly bright, your lenses barely tint at...
Read more
Nylon Polarized Sunglasses: Why They’re the Best Choice for Clearer Vision and Lasting Comfort
by admin on 26-08-05
When shopping for sunglasses, most people focus on style. However, the lens material and polarization technology are what truly determine visual performance, durability, and eye protection. Among the many options available today, nylon polarized sunglasses have become a ...
Read more
Clear Vision, Everyday Comfort: Understanding CR-39 Lenses
by admin on 26-07-15
If you’re looking for the ultimate sweet spot between crystal-clear vision, lightweight comfort, and budget-friendly value, look no further than CR-39. Invented in the 1940s, this revolutionary plastic polymer (allyl diglycol carbonate) completely transformed the eyewear...
Read more
Is Blue Light Blocking Lenses Really Necessary?
by admin on 26-07-03
Blue light blocking lenses are a type of functional eyewear designed to selectively filter out harmful short-wave blue light (415–445 nm) while preserving beneficial blue light (455–505 nm) through coating reflection, substrate absorption, or a dual-action combination of...
Read more
Danyang: The World’s Hub for Eyewear Lenses
by admin on 26-06-24
Nestled in the heartland of the Yangtze River Delta, Danyang—a county-level city under the jurisdiction of Zhenjiang, Jiangsu Province—is a charming southern town renowned for its eyewear. Here, tiny lenses are leveraging a massive industry worth hundreds of billions of ...
Read more
How to Choose Sunglasses if You Are Nearsighted?
by admin on 26-06-08
Summer is here. Sunglasses are not just a fashion statement; they are essential for protecting your eyes from harmful UV rays. However, for those with myopia (nearsightedness), choosing the right pair isn't that simple. Wear regular sunglasses? Everything is a blur. Wear...
Read more
Photochromic Lenses vs. Regular Lenses: Which is Better for Your Prescription Glasses?
by admin on 26-05-28
A question that frequently comes up is: “Should I choose photochromic lenses or regular lenses for my prescription glasses?” The short answer is that it depends entirely on your usage scenarios, eye health needs, and personal habits. Below is a comprehensive comparison o...
Read more
The Truth Behind Lens Crazing and Yellowing
by admin on 26-05-19
If you hold your lenses up to the light and notice a network of fine, dense cracks on the surface—resembling a dried-up riverbed—you are looking at lens crazing (also known as coating cracking). This isn't caused by dropping your glasses; rather, the coating is literally...
Read more
Functional Differences in Various Sunglass Lens Colors
by admin on 26-03-25
Sunglasses, also known as sun-protective glasses, are designed to shield the eyes from the sun. When exposed to sunlight, the human eye typically adjusts the size of the pupil to regulate the amount of light entering the eye; however, when the intensity of the light exce...
Read more
Exploring the Magic of Photochromic Lenses
by admin on 26-03-03
I. What Are Photochromic Lenses A. Definition and Functionality：Photochromic lenses, commonly known as self-tinting lenses, are eyeglass lenses that automatically darken when exposed to ultraviolet light and return to transparency on...
Read more