Product Knowledge

Many people buying metal eyeglass frames have fallen into this trap: when first unboxed, the frames look shiny and exquisite. However, after three to five months of wear, the inner temples and nose pad contact areas start peeling and discoloring, exposing patches of the base metal. Some people even develop red, itchy rashes on skin contact areas.

Many people encounter this situation: the frames break or deform beyond repair, but the lenses are still in good condition and the prescription hasn't changed. Thinking it would be a waste to throw them away, they ask: Can I just re-edged them to fit a new frame and keep using them?

How is each clear, transparent, optically accurate, and quality-qualified lens processed into a pair of glasses and delivered to consumers? How are custom lenses manufactured?

Standard photochromic lenses do not work well inside a car. They will mostly stay clear or only tint a tiny fraction of the way. Here is why: standard photochromic dyes rely almost entirely on UV light to trigger their darkening reaction. 

You don't have to replace your eyeglasses just because the lenses are stained or covered with fine scratches. With a few easy tricks, you can remove grime and fix minor scratches easily, restoring your lenses to a clear, brand-new condition. Give these methods a try!

Many people wear the same pair of sunglasses for five, six, or even ten years, believing that "as long as the lenses aren't cracked and the frames aren't broken, they can keep using them." However, this is a highly dangerous misconception. Sunglasses are protective consumables, not durable goods. 

Glasses aren't just for vision correction, they also make fantastic fashion accessories. To pick the right pair, it's essential to understand the differences in frame materials. Only by knowing the pros, cons, and best-use scenarios of each material can you avoid pitfalls and select a pair that's both comfortable and durable. 

When you go shopping for eyeglasses, salesperson often tell you: "The thinner the lens, the lighter it will be." And honestly, that sounds perfectly logical. Thin should mean light, while thick should mean heavy, right? But is that actually true?

Defocus lenses have undergone multiple iterations, and the efficacy between different defocus designs varies significantly. Let's take a look back at the evolution of defocus lenses:

One of the most important things when selecting frames is to look at their specifications. Sometimes, if a new salesperson in an optical store helps you pick frames, they often end up choosing ones that don't really suit you. By understanding the specs, you can make the right choice for yourself.