A pair of ray ban outlet sunglasses look very simple, which is a plastic or metal framework there are two pieces of colored glass or plastic sheet. There are simpler than the sun glasses, please? In fact, the two pieces of glass lenses can produce a lot of differences when you use sunglasses, those differences you will also have a significant impact. In this article you will understand the difference between a variety of sunglasses does exist. A pair of good sunglasses should have the following four capabilities:
Prevent exposure to sunlight in the ultraviolet
Ultraviolet rays can damage the cornea and retina, high quality sunglasses can completely eliminate UV radiation.
Prevent exposure to bright light
When the eye when you receive too much light, it will naturally shrink IRIS. As soon as the contraction of the IRIS to the limit State, then people need to blink. If the light is still too many, such as the snow reflected sunlight, will be on retinal injury. Quality fake ray bans sunglasses can filter up to 97% eyes light in order to avoid injury.
Prevent exposure to glare
Some surfaces, such as water, can reflect a lot of light, which will disturb the sight of the bright spots or hidden objects. High quality sunglasses using polarizing technology to completely eliminate glare, the polarizing technology described later, we will.
Elimination of specific frequencies of light
Some frequencies of light are blurred vision, while other frequencies of light can enhance the contrast. Choose the right color for sunglasses, make it get better results in a specific environment. If sunglasses provide UV protection, you will be more exposed to the UV rays. Cheap ray bans sunglasses filter a portion of the light, cause your Iris open to receive more light. This will allow more ultraviolet rays to enter, increases the harm caused by ultraviolet rays on the retina. Therefore, all kinds of sunglasses is indeed a difference between. For a specific environment, selection of suitable, high quality sunglasses will provide maximum protection for you.