Reply To: Glasses or contacts? Home › Forums › Decaffeinated Coffee › Glasses or contacts? › Reply To: Glasses or contacts? July 18, 2013 3:36 pm at 3:36 pm #966482 ObstacleIllusionParticipant Conatcts, I buy monthlies, they can stay in my eyes for a week a or two, buy them once every six to ten months.