Do you need to clean contact lenses case every time you use it?

So I just got my contact lenses, and do you need to clean the case every time after you take out the lenses from the solution? Or you just toss the solution only without cleaning? Btw, the solution can keep my contact lenses in the case for 30 days and every time you want to put on or take out the contact lenses do you need to make sure your hands are reaaaaallllly clean like 0% germs or just make sure there's no dirt and wash them with soap and tap water?

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