At present, more and more people using glasses, but the clearance of glasses has not been given sufficient attention. Normally, people will use following method, such as, wipe with a cloth or paper. We know that containing dust or other particles often due to the dirt of the glasses surface, but even with just Kaifeng, special paper or cloth, wiping process, may cause the injury, particularly for resin lenses. For certain regions of the connecting member are difficult to clean. Taking into account, the glasses are cleaned every day for the work, even if the conventional method may cause damage, but to a certain extent, it can meet the requirements. So using vinegar to clean the glasses is desirable, although it is not the best approach.