The fashion industry is setting off a wave of retro round glasses, becoming a high-profile fashion item at the moment.
Round retro glasses with its classic shape and unique charm, quickly captured ...
Feel with the eye
Clarity: After wearing glasses, under the normal eye distance, such as looking at an eye chart at 5 meters or a book or computer screen at 30-40 centimeters, you should be able to...
There is no direct correlation between the shade of sunglasses and the effectiveness of UV protection.
The anti-ultraviolet effect of sunglasses mainly depends on the material of the lens and the a...
When discussing the topic of “what color sunglasses lens eyes are most comfortable”, we must first understand the diversity and functional differences of sunglasses lens color, and how ...
Glass lens
Refraction: The refractive index of glass is high, generally between 1.5-1.9. This makes the glass lens have a strong ability to refract light and can more accurately control the directi...
Hd lens or anti-blue lens which is good?
When choosing eyeglass lenses, consumers often hesitate between high-definition lenses and anti-blue lenses. These two lenses have their own advantages and ...