Choose three erroneous zone and the details of sunglasses
Sunglasses are essential in summer objects, can give you light blocking in the hot summer, a little cool and refreshing.
All these sunglasses to choose how to do?
Just remember three erroneous zone and details, can let you buy gratified flexibly sunglasses.
Ray-ban RB3025 unisex sunglass 002/40 black/dazzle colour blue three erroneous zone 1, lens color can block ultraviolet light.
Lens is not colored can block ultraviolet light, wearing colored mirror can make pupil dilation, such as the lens is not fully block ultraviolet light, eye damage is bigger.
2, sunglasses for only one is enough.
Actually sunglasses are divided into three types: general sun mirror;
Light color sunglasses;
Special purpose (
Skiing, beach, mountain climbing, etc. )
Summer wear general sun glasses is enough;
Spring and autumn season can wear a pair of light color sunglasses.
3, children can wear sunglasses.
Some parents are too afraid of the sun will hurt the child's eyes, and give the child with sunglasses.
And children eyesight increased with age in constant development, the light of the need outside stimulation.
Wearing sunglasses can make children of retinal light stimulate greatly abate, affect the development vision, so that the formation of amblyopia.
The three detail 1, mark with uv protection.
Uv protection is the primary function of sunglasses, some sunglasses lens or on the package '100% uv protection', 'UV400', the 'uv' etc.
If wear the inferior sunglasses can't block ultraviolet light, long wear may lead to cataracts, there will be a sore eyes, corneal edema, corneal epithelium fall off wait for a symptom.
Hence, consumers should be to regular store to buy sunglasses.
2, choose gray, dark brown and green lenses.
Lens distortion of color choice should be the color of the surrounding environment, the edge of the object is clear, can effectively identify the different color lights for the principle.
Lens color with gray, brown, green is good, because these color lenses of infrared, ultraviolet absorption is good.
Ray-ban sunglasses RB3541 men 003/30 silver/shallow silver piece 3, moderate depth of lens.
In general, the color of the lens the deeper the shading effect is stronger, but does not explain the uv protection ability is stronger, sunglasses uv protection function is related to the factors such as lens materials, process.
But drivers lens is unfavorable choose color very deep.
And then to recommend a relevant article: summer sunglasses practical skills, hoping to bring help oh ~ related: sunglasses polarized sunglasses