Where can you buy no prescription color contact lenses?

There are a multitude of answers for this question as it could be interpreted many ways.  It's possible to buy just about anything online these days include no prescription contact lenses.  Circle Lenses from Korea come in both prescription strength and no prescription or plano non-vision correcting contact lenses which change the appearance and size of the eye's iris.  The same is true for Cosmetic or costume contacts that change or enhance the color of the wearer's eyes but do not make them appear larger.  Lastly it's possible to buy contact lenses no prescription that do correct vision if you know your recently expired prescription and don't want to go back and pay for another Doctor's verification of your Rx.