PATIENT SOLUTIONS: Multiple Pairs Key to Second-Pair Sales: Start the Conversation Early and Provide Discounts By Rachael Click, OD Friday, October 5, 2012 6:23 PM Second-pair eyewear sales increase if you start the conversation with the appointment call and continue it all the way to check-out time. The deal clincher: hard-to-resist discounts. You must sign in to see the full article.