Color liquid crystal lens performanceLee sunglasses I'm wearingSunglasse

Coe ?? computing sunglassesAccording to it,it is covered with a layer of metal film on a glass lensCoe ?? computing sunglassesCoe ?? computing sunglassesTo protect the eye,a lens for reflecting sunlight.Color glassesIn a normal room,colorless and transparent,and in exposure to the sun,it turns the gray or other colors soon.The color of the glass I can to become automatically dim or lightly on the strength of the sun.Mirror of the film,since the addition of a small amount of silver halide as a photosensitive agent,which is located in the copper trace of as a sensitizerSunglassesSunglassesThe reason.It will automatically adjust the brightness of the lens,it can be formulated to wear corrective lenses suitable for the patient's myopia and hyperopia.Unfortunately,it is a considerable degree,the largest since then,that (commonly known as 300 degrees) can not be more than ± 3 degrees of diopters,color difference in the thickness of the center and the edges between light and shade glasses of It varies greatly.Plastic lens:Anti-ultraviolet rays,and the decline of anti-infrared performance,has been coated with a specific color.From cool angle,and excellent glass lens that is suitable for summer wear.Crystal lensIt does not block the infrared and ultraviolet light.Color liquid crystal lens performanceLee sunglasses I'm wearingSunglasses wearing Lee only (7)It is better than a glass lens.Some,it was unfounded,maintaining a cool head,liquid crystal lens,say does not hurt the eyes.Long-term human life in the sun,the eye has adapted to the surrounding environment,without protection life.In many cases,but is beneficial wear sunglasses to work outdoors,work,you need to select depending on the nature of the environment.Ornaments that are still wearing the sunglasses,regardless of the location,such as the evening ?? late or when the night such as opportunity,or to report to the parties,not only sunglasses not only as uncivilized manners,eye of burden to increase,but not conducive to eye care.2 Historical Development At least three countries,have claimed that they were first invented the glasses.In the 500 years before the Spanish missionaries,this book,but they were brought back from China on top of the glasses,I said no physical permit.And in fact,one is to use the 500-year-old wooden goggles Eskimo,there is a long strip of woodSunglassesSunglassesPlates,two slits which can not be considered as top Obviously sunglasses draws.Reliable modern sunglasses European invention.Europe of the 18th century,the Industrial Revolution is mature,I began to glass manufacturing and precision metal processing.Small workshop,handmade mainly in the time eyewear,not only comes with the names of all the eyewear manufacturer.Many of these small workshops,it becomes a domestic production of precision instruments after,look at the manufacturer.Then,the glass has become high society,tuxedo,secretary Dick (the stick) that the new darling of the pince-nez is a gentleman wearing a decent enough standard clothes.The aircraft without goggles,because it does not allow you to easily drive when possible conversion,automobile,aircraft,industrial revolution to the car and airplane brought goggles of the biggest wealth is popular.
Crystal
Michael Kors Gia
Nike Free Run 5.0 V2
Hole Punch Pliers
Apple iPhone 7 Plus
Seattle Seahawks Jersey

Women's Watches
Michael Kors Harper
Free Trainer 3.0
Looping
Apple iPhone 5C
Pittsburgh Steelers Jersey