Collection of eyeglasses from some characteristics of the glasses, to targeted collection. According to the law of treasured works in the collection, combined with the characteristics of glasses, related industry professionals to provide the following ways to make reference for the collectors.

Look at the s. Emerged from glasses has been nearly 800 years, every period of the glasses have different changes, this change is not only the change of style, there is a material change, more changes of era. So, from the different change of glasses will be able to comprehend its history, the pace of change, and it also gave the treasured works is a feature to distinguish the different s glasses. The sooner glasses usually s its market value, the greater the because early glasses production, the price is high, the less of is not much, and many glasses material quality, this may also explain why classical glasses now expensive, but the one hundred - year - old old glasses of truth is the same price.

See material pledge. Material is the another key of glasses collection, to a great extent, determines the value of a pair of glasses. First look at the lens, lens is crystal, glass or resin pills, including crystal is natural or artificial crystal, crystal of this value is often very different. Generally natural crystal are superior to synthetic crystal, and the value of the glass and resin piece is very small. Second frame, frame materials very much, both gold and silver, K gold, copper, brass, phosphor bronze, stainless steel, titanium alloy and other metal frames, there is also a wooden, hawksbill, horn, plastic etc. Nonmetal frames, different material itself reflects the different value, also determines the frame collection value and market value.

Then look at work. Lens to take a closer look at the accuracy of grinding, edge machining and polishing precision, such as frames in addition to the production level, if there is a decorative pattern design, sculpture, or the process, such as embroidery, provide for the level and degree of fine judging them. Some of the old store had often do mark on frame, such as "ming-yuan Yang", "jade ChengXiang", can through the signs in order to assess its s and the value of the material.