I just started buying some good sunglasses for driving and such

sunglasses that aren't well-integrated into prescription glasses

• The side-protection that you can basically clip on to any set of glasses are called "side shields". The sunglasses version are typically shaded.
• If you're looking for sunglasses that are big enough to go over a set of prescription glasses, those are called "fit over" sunglasses.

sunglasses that are well-integrated into prescription glasses

• Some prescription glasses have a feature that allows a magnetic sunglasses layer to fit on the existing prescription glasses.
• If you have a recent prescription, you can buy a separate set of prescription sunglasses online.
  • Cheap places to buy include Zenni Optical (online only) and EyeBuyDirect (also online only).
  • Specific models that have thick-ish sides:
    • ZenniOptical [1]
    • EyeBuyDirect [1]

normal sunglasses that can work over contacts

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