Things to know before buying

Buying eyeglasses has never been easy, you have a lot of choices both online and in-store.  Here are some important questions to consider while deciding what and where to buy.
There seem to be a lot of inexpensive frames available online and at discount retailers, is there a quality difference?
There can be major quality differences depending on the materials and manufacturing method.  Try to avoid injection-molded plastic frames which tend to be brittle. Look for lighter weight metal alloys that can be hypoallergenic and highly flexible.  In general, low cost frames are more likely to break and require frequent adjustments to remain comfortable.
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