1. How to buy sunglasses
Outdoors is fresh and pleasant, sunny day, ready to go out, you may instinctively pick up
sunglasses, and you may not have too much attention to these sunglasses. However, when buying
a new pair of sunglasses, you might seriously consider those to be elected sunglasses. Whether in
the famous discount store in the mall or buying sunglasses, your eyes will be amazed at the
diversity of choice. For example, staining sunglasses, reflective sunglasses, color sunglasses and
polarized sunglasses have a difference between. Frame styles and lens size is also very
important. $ 200 Serengeti brand sunglasses really than $ 10 from the flea market in Amoy to
sunglasses, okay?
Next, this paper will provide you uncover the mystery of sunglasses, sunglasses with you to
understand the purchase should pay attention. We will also analyze the different styles of
sunglasses, to understand a variety of lens material behind the technology used. At the same
time, you will also learn the principles of light and, in some cases, sunglasses, why will become
indispensable. You will be surprised at a simple sunglasses could be so complex and
sophisticated.
Is there really a difference between a variety of sunglasses?
A pair of sunglasses looks very simple, that is some kind of plastic or metal frame, there are two
colored glass or plastic film. There are more simple than this it? In fact, the two glass lenses can
produce a lot of difference when you use sunglasses, these differences will you have a great
impact. ni will be learned in this article the existence of the difference between sunglasses.
A pair of good sunglasses must have the following four functions:
 Sunglasses can prevent the sun's ultraviolet radiation. UV rays can damage the cornea and
the retina, high-quality sunglasses can completely eliminate the ultraviolet radiation.
 sunglasses to prevent light exposure. When the eye receives too much light, it will naturally
shrink the iris. Once the contraction of the iris to the limit state, then people need to
squint. If the light is still too much, such as snow reflected sunlight, will produce damage to
the retina. High-quality sunglasses can filter out 97% of eyes light up in order to avoid
injury.
 sunglasses to prevent glare exposure. Some surfaces, such as water, can reflect a lot of
light, and this will disrupt the line of sight produce bright or hidden objects. The use of
high-quality polarized sunglasses can completely eliminate such glare technology, we will
introduce later polarizing technology.
 Sunglasses can eliminate specific frequencies of light. Certain frequencies of light will blur
the line of sight, while some other frequencies of light can enhance the contrast. Choosing

2. the right color for the sunglasses, making it in certain circumstances get better results.
When buying a cheap sunglasses, you have to give up these advantages, and even make it
worse. For example, if your sunglasses do not provide UV protection, it will give you more
exposure to ultraviolet irradiation. Cheap sunglasses filter out a portion of the light, causing
your iris to open to receive more light. This will let more UV rays to enter, increasing the UV
damage to the retina.
Therefore, a variety of sunglasses, there is a difference between really. For a particular use
environment, the selection of suitable, high-quality sunglasses will provide you with maximum
protection.
We provide replica Oakley sunglasses and imitation Oakley sunglasses, include variety series of
Oakley sunglasses.