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.