How to pick sunglasses

Sunglasses streaky wanton in the market right now, in the face of a wide range of sunglasses, a lot of people don't know what to choose. Experts remind you choose Wayfarer Ray Ban sunglasses are best when they are yellow, amber or black lenses, instead of blue, and to minimize any Blue-ray of sunlight enters the eye....... Below is specific to user asked, "How to choose sunglasses?" Do a simple introduction.

How to choose sunglasses?

Both men and women, most people should not wear blue sunglasses. As they grow older, the photosensitive retinal cells in the compound will be more and more, whereas the Blue-ray of sunlight will activate these compounds in the retina, promoting the release of harmful free radicals.

"We see the light is white, but in fact this white light contains a variety of different colors of light, like a rainbow of light. Blue-ray part of the spectrum of wavelengths can activate these compounds to the maximum extent. Such a phenomenon is like damaged retinal cells of the oxidation process. ”

"The blue lenses actually picked out harmful blue light, but you want to avoid Blue-ray. Yellow or amber lenses filter blue light, reduced eyes Blue-ray, and that is what you want. "When choosing a Cheap Ray Ban Sunglasses, black lenses are also a good option, because black lenses to reduce eye contact with all colors of light.

Doctors advise how to choose sunglasses? A qualifying pair of sunglasses requirements can effectively filter ultraviolet rays and with good transparency. Inferior sunglasses UV filtering ineffective can cause eye irritation, tears, but also because the poor transparency of the lens, resulting in distorted vision, headaches, dizziness, unclear vision and other symptoms.

Above is on "how to choose sunglasses" brief introduction. Selecting sunglasses UV protection is the primary function of sunglasses, if not block UV rays is wearing poor-quality sunglasses, entered the eye of UV more than when not wearing Ray Ban Outlet sunglasses, more likely to damage the eyes, there will be eye pain, edema, coeal Epithelial Defects and other symptoms. You want to attract attention.