Choose a right pair of men's sunglasses

More recently, the use of men's sunglasses is becoming more widespread. As we all know, men's sunglasses can protect men's eyes from UV. But when men decide to buy men's sunglasses, how to choose a right pair of sunglasses for men? When men walk into the mall for men's glasses, they may immediately be struck by the bewildering array of choices in front of them.
 
There are several things that a good pair of men's sunglasses should have. First, sunglasses for men should provide protection from ultraviolet rays in sunlight, which is the essential function. Secondly, men's sunglasses also should provide protection from intense light, when the eye in bright light, it will close the iris to reduce the light into the eye, a pair of fine men's sunglasses can block light entering the eyes. Thirdly, sunglasses for men can reflect a great deal of light to protect eyes from glare. Last, a good pair of men's sunglasses eliminates specific frequencies of light, a right pair of men's glasses can let men work better in specific situations.

 
But a pair of cheap sunglasses for men looks so similar to an expensive one, and how to judge a pair of sunglasses for men whether has the functions mentioned above? In the mass, when a man choose a pair of cheap men's sunglasses, it always means that he gives up the benefits mentioned above, some replica or ######## sunglasses for men even make things worse. For instance, the cheap men's sunglasses block some of light, causing the iris to open to allow more light in, this let in more UV rays as well, which really damage the eyes.
 
Of course, this does not mean men have to buy the men's sunglasses of famous brands such as Oakley, Ray-Ban. Men also can buy some high quality sunglasses for men in a fraction of the cost of high-dollar brands in some discount shops. But if a man is not good at distinguishing the differences between high quality lenses and poor quality ones, he had better to buy a pair of little expensive sunglasses for men to protect his eyes properly.