In the market of eyeglasses, most people may get confused by the diversity of options. It often takes a customer much effort to buy a right pair of eyewear, that either he or she wants a prescription pair or non-prescription pair. The situation is similar within each category that there are many styles. Most people know more or less how to group those numerous eyeglasses in the market. Similar to other kinds of products, eyeglasses have branded ones and non-branded ones. In some cases, the first type is usually called designer eyewear and the latter category will be named ordinary eyewear in brief. This way of classification is applicable to nearly all fields. For example, there are branded clothes, ordinary clothes, branded shoes and regular ones and so forth. Nowadays, even some tiny goods have certain brands. The differences between designer eyewear and ordinary ones are mostly similar to that between the two types of other goods. (more…)