I'm trying to get non prescription purple contacts, (http://www.youknowit.com/violet-contact-lenses/ultra-violet-big-eyes-contact-lenses-pair.html) but since I don't have a vision impairment, I know nothing about contacts. Can I just pick some off of youknowit.com or something similar and wear those or is there more to the process? Thanks for you help guys, a full walk through would be appreciated
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Will these contacts mess up my eyes?