One of my friends told me this ages ago. TBH, most people I know with their ears pierced do need glasses, IIRC she said it was something to do with a meridian. Probably something her mother told her to discourage her from piercing her ears!
Is anyone interested in a 'poll' to find out more?
Answer YES if you have pierced ears and wear glasses/contacts/(have had lazer surgery!)
Answer NO if you have pierced ears but don't need any of the above.