Here are some tips for you to select a satisfactory fashionable prescription sunglass:

Choose the frame:it`s a key step to select a pair of sunglass.First you should make sure the frames you choose match your face shape,then the material of your sunglass frame and colour.
Choose the lenses:that`s the most important step ,because lenses is the practical compartment of a pair of sunglass.You should decide the function of your sunglasses ,do you want your sunglass to be anti-UV,do you want it to be anti-reflective,do you want it to be photochromic?And are you myopia or hyperopia?There are different types of sunglasses according to you desires.

Thanks for your tips. They are really helpful for me as I prepare to buy my new prescription glasses from the online optical stores.