As we all know, every coin has two sides, namely, the safety glasses
can help you protect your eyes at some occasion. However, when you wear them for long time, then you will some side effects from the safety glasses. In other word, if you wear the safety glasses for long time, then your eyes will get used to the glasses. For example, when you do something, such as looking newspaper, with the safety glasses. I dare tell you that someday you will find that you can not see clearly without the glasses. This is so called Dependence disease. In addition, according to some people who often wear the safety glasses, but there is no certain evidence, told us that often wearing the safety glasses will cause you headache. All in all, think you can wear the safety glasses, but meantime I suggest you not wear the safety glasses for long time or frequently. Hope I helped you.