SunglassesSunglassesThe so-called solar mirror is intended to shielding As the name suggests,people usually,the light intensity is dependent on the regulation of the size of the sun of the pupil in order to adjust the magnetic flux exceeding the ability to modulate the human eye to have,it will cause harm to the human eye.So,in outdoor activities,especially in the summer,a lot of people are used to block the sun visor mirror for harm is to reduce the occurrence adjustment eye fatigue and light stimulus.
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Light-colored sunglasses to block the action of the good and sunlight as shade is rich colors suitable for use in all types of clothing has a strong decorative effect.The reason,its rich color,style of bright colors of sunglasses,by young people of all ages,it fell in love,is more fashionable women.Special purpose sunglasses,in general,beach,skiing,hiking,to block the more intense the sun and powerful features that are used under outdoor sunlight,such as golf,UV resistance and other indicators that are,There is a higher requirement.
Favorite Ya people who differ according to different applications,but to select the sunglasses,the most basic thing is to protect the wearer from safety and vision are not subject to the basic principles of injury withdrawal.Light stimulation,visual clarity without distortion,anti-UV,color recognition,reduce the distortion without precise identification of traffic signal,it should be a basic function of sunglasses.If there is a defect in these features,
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ranging from the loss of the role of sunglasses,weight,slow when you react,dizziness,suitable for sore eyes and consciousness,claims the color illusion caused the other symptoms,of inequality Walk the symptoms,can lead to an accident,such as.So sunglasses focuses only on style,Choose not be able to ignore the inherent quality.Lens categoryAnti-reflective protective lens,color lens,tinted lenses,
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polarized lenses,photochromic lenses and other 5: The type of sunglass lenses are roughly classified.1 antireflective protective lens: The lens is not clearer,it is possible to see what the interference of light,in order to prevent the reflection of light,are covered with a thin layer of magnesium fluoride on the surface.Your sunglasses,to test whether in fact it is in the anti-reflective protective lens is,the glass,but you can be aligned with the light source,
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and if you look at the reflection of purple and green,it is the lens is coated with an anti-reflection it means that you have been protective film.2.Color Lens: lenses to indicate the color,in order to absorb certain wavelengths of light,a number of chemical substances,which,in the manufacturing process of the lens is called "dyed lens".This lens,sunglasses type of the most commonly used.3.
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Made colored lenses differ only this lens method,show the same effect as the color of the lens,it is a color that is applied to the lens surface and are "inclined colored lens" are the best known,color but most of the top,down is gradually shallow.Dealing with the general prescription sunglasses I am coloring a plurality of lenses.4.polarized lenses: In order to filter the sun,a special coating that is perpendicular to the lens,which is known as a polarizing lens,in addition,in the same direction as the water and snow of land,and had been shining in dazzling light .
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