The relative methods identify sunglasses
Lens: it depends on the guest glasses nets expert introduction, identify Carrera sunglasses lens quality has a simple method, is to take glasses lamplight, see whether surface lens bubble, flaws, etc.
Price: lens of good quality sunglasses prices should not too cheap, good Oakley sunglasses in entity shop is in commonly 200 yuan of above, poor quality of in wearing sunglasses when often do not comfortable, color distortion, lens wear easily.
Try: to natural light try to wear sunglasses. Had better be to choose in one day more intense light, go to the outside of the optician's to try to wear Ran ban sunglasses, see the ground can't have uneven feeling, the object cannot deformation.
Feeling: picture frame of the beautiful is important, but the visual comfort levels and lens wearing frames the comfort of the more important, not wearing a dizzy, eyes swell feeling.
Colour: in addition to the leisure, entertainment, if it really is to prevent ultraviolet ray, still had better buy lens for grey color, green, blue these have the effect of shading ran ban 3025, because these relatively subdued color, in the view of, will not change color, especially for people having, will not affect their traffic lights and other transportation signal of the resolution.
Tags: small brand often is ignored, in fact, on the card besides tell you oakley prescroption sunglasses producers outside, still concealed many useful information, especially to see whether the card have QS logo.
UV index: sunglasses for, UV index also is minus UV result, it is very important to a standard. At present, most of the UV index sunglasses between 96% and 98%, brunet lens must be better than light color lenses.
The sun glasses selection
See color of skin
Depending on the guest glasses nets expert introduction, the darker color of skin, should choose a little bit brighter color; Color of skin fair-skinneds in vain, general took what color glasses are very nice. The Chinese yellow skin, red picture frame is common suitable.

See faces
Face shape wide, should choose bigger; The narrow thin face, should choose the picture frame edge thin (or without), exquisite some Oakley outlet. Fat round face should wear line with thicker frame eye; The one for wearing thin face up and down a wide round glasses, to coordinate proportion. The longitudinal narrow lateral wide face appropriate chooses the square frame and narrow.

See nose
The nose is the face of the longitudinal line, emphasize the line, can strengthen the face stereo feeling. Depending on the guest glasses nets expert advice: the short nose should pick in the ZhongLiang above glasses, otherwise, should choose ZhongLiang offset, and can be effectively "shorter" the length of the nose.

See eyebrows
To face the influence of the eyebrows image the balance. Brow and glasses framework on the DuanXiang qi, a little higher than the framework is moCheap ran ban sunglassesst ideal. Upturned eyebrows, its MeiShao cannot and glasses framework of approach, but eyebrows must agree with the framework; Avoid by all means is choose frame upturned glasses, lest produce "become warped" and "become warped" funny feeling, should choose the frame flat glasses. Brow and glasses framework with "gap" between not. Brow shock, should choose the fine framework or no framework glasses; Conversely, thick frame glasses for light and thin eyebrows.
Sunglasses to have the four characteristics
A, porsche carrera sunglasses can prevent the illuminate of strong light, when receiving too much light to the eyes, it will naturally to shrink the iris. Once the iris shrink to the limit state, then people will need to narrow eyes. If light still too, such as the snow reflected sunlight, will produce damage to the retina. High quality sunglasses can filter to up to 97% of the light in order to avoid damage it.
Second, sunglasses can prevent ultraviolet sunlight from the illuminate, ultraviolet ray can damage the cornea and retina, high quality sunglasses can eliminate most of the ultraviolet radiation.
Three, cheap oakley sunglasses can prevent the illuminate of glare, some surface, such as the surface of the water, can reflex a lot of light, and thus produced window would disrupt the sight or hidden objects. The high quality of polarized sunglasses can use technology to eliminate such glare, we will be introduced later polarized technology.
Four, Ran ban glass can eliminate specific frequency light, some of the frequency of light will fuzzy line of sight, and some other frequency light can enhance contrast. For sunglasses choosing the right color, make it in specific environment better effect.