Frames: there are acetate sunglasses, metal sunglasses, titanium sunglasses, whether the sunglasses is nice, fashionable or not, is the first consideration the youngsters will take into.
But never be confused by some flashy fashion frames.
As for frames, you must try on by your own to check if it feels comfortable, this is the most critical.
Some beautiful frames are not worn comfortable, long-time wearing will cause eye souring and dizzy feeling.
But some plain frames are often the most suitable for long-time wearing.
2) Lenses – when purchase sunglasses, must double check if the lenses are of high quality.
The simplest and easy-operated way is to put the lenses under lights, to see if there is steam, air bubbles or other residual defects on the surface.
This is not easy to be found during wearing, but it was decided to be of high quality sunglasses important index.
On this point, Ray-Ban sunglasses lenses did really a great job.
3) Experience, it is extremely important. The shops often let customers try on the sunglasses in their optical shops. But this actually will hide away a lot of “operational” encountered deficiencies. We recommend the customers try on sunglasses not only in the shops, but outdoors. And take it under strong sunshine, to observe the effect is good or not.
4) Color, sunglasses lenses colors on the market now tend to be more, except cool, individuality these factors, usually the blue, green and grey colors will not appear much color contrasts. Therefore, if you don’t wanna cause different views when wear and not wear sunglasses, you could consider above proposed colors.
5) Index, what’s index of sunglasses? It seems to have involved of some technical things, actually to identify if the sunglasses have ability to sufficiently block strong UV, the most basic is to see the sunglasses UV index is high enough? Generally speaking, high quality sunglasses UV index can be controlled between 95% to 97%.
Of course, the higher the better and apparently the prices are also proportional.
6) Price: frankly, the price is usually proportional to its brand popularity and lenses quality. Of course, a good brand also has more authority and more convincing lenses, eyeglass frame quality.
General sunglasses brand are Ray-ban, Gucci, Chanel etc…
Ray-ban sunglasses brand has a long history, also the quality is well guaranteed.