UV light.Cheap sunglasses can cause your iris to open to receive

These small silver substantially aggregate irregular block of jagged,it is not possible that they are transmitted through the light,only the results of the lens to be dark,it can absorb the light.No,the crystals formed in the case of light and darkness heavy,lens it was returned to the bright state.2 basic functions ForewordSunglasses,there are two sheets of colored glass or plastic,it is a some kind of plastic or metal frame,you very easily visible.Is it possible to what is moreSimply Are you sure you want to add it? In fact,two glass lenses,which can be used to produce many differences,when using the sunglasses,these differences,will have a significant impact for you.ActionUV rays can damage the cornea and retina,it can high-quality sunglasses is to completely eliminate ultraviolet rays.When the eye receives too much light,it will reduce the throttle to nature.When contracted to limit the iris state,then people must be squint.such as reflected sunlight when the light is still,snow too large,will generate damage to the retina.Quality sunglasses,to avoid damage,and can be removed up to 97% of the light entering the eye.Certain su***ces,such as water,which can reflect more light,and thus to be generated by the highlight is the sight or hidden faults in the object.Polarized sunglasses of quality is able to completely eliminate glare this kind of technology,it later,will introduce polarization technology.Specific frequencies of light,it is possible to blur the vision,other frequencies of light can improve the contrast.If you choose the right color for the sunglasses,it will ensure that you get better results in certain situations.Sunglasses If you do not provide UV protection,it will take exposure to you more UV light.Cheap sunglasses can cause your iris to open to receive more light,to exclude part of the light.This also increases the damage caused by ultraviolet rays to the retina,more ultraviolet rays enable input.Therefore,differences in various sunglasses is certainly or to ??.For a particular application environment,appropriate,selection of high-quality sunglasses will provide maximum protection for you.According to international standards,sunglasses,are classified into the category of protection products of the individual's eye.The main function of sunglasses is to block the glare of the sun.However,international standards of sunglasses is subdivided into again "fashion mirror," "general-purpose with a mirror." "Fashion mirror" relatively low quality requirements standard."Fashion mirror" is the main highlight of the wearer focus style and not because it is,it is decorative than protective.Standard for quality requirements and "general-purpose lenses,UV protection,as well as including the index of refraction prism,is more severe.3 category Please use the classificationThe use of sunglasses,sun mirror,can be divided into light-colored sunglasses,and special purpose sunglasses category of.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.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,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,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 su***ce.
Gemstone
Michael Kors Shoulder Bags
Nike Free 3.0 V5
Setting
Monster Energy Fashion Hats Store
Adidas Yeezy Boost 350