There is a fairly
wide range of eyeglasses frames available in the market at the present time.
The most common styles of frames that spring to mind are of course framed,
semi-rimless and rimless eyeglasses. The choice available among these types, in
particular the framed styles, is fairly huge indeed. You will find many online
and even offline stores offering these main types of frames. On the other hand,
what you may notice is that from one store to another, the styles that you see
and the range available are somewhat similar in nature.
For the rimless eyeglasses, you will see the variety in the form of the shapes available (example- round, square etc). Also, in the quality of the materials used (eg, lightweight, flexible etc). For the frames on offer, the differences are a lot more wide ranging from one pair to another, For instance, apart from the quality of the materials used and so on, for each brand make out there in the marketplace, each brand will have its own unique design or style of frames. For many of these brands, one can argue that the styles that each company offers- are very similar to each other. In other words, let's say company xyz offers a unique design of frames and has about 100 variable designs/styles in its collection. All of these styles would be very identical to each other. So, you could say there are about 50 different brands- each having 100's of designs etc- however, as each company makes identical styles, there are really about 50 style of frames out in the marketplace.
Overall, the choice currently available takes into account considerably the most common face structures. Round and rectangular eyeglasses and so on, and the frame styles that go with them, are all centered around common facial features. Choosing a design that suits you should not really be too difficult, as most of the major stores- in particular the online stores (tend to have a bigger range)- all stock fairly the same eyewear from one store to another. It then becomes a matter of preference, whether to buy eyeglasses on line or from your local store, and also the type of frames you prefer etc.