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The Contact Lens appear in Paper Mario: The Thousand-Year Door. At the beginning of the game, two Piantas bumped Zess T. making her drop her contact lens and Mario would accidentally step on them. Mario would not be able to go to Rogueport's West Side as she would block the way until he had ordered a replacement for her from the Toad Bros. Bazaar. Once Chapter 1 has been completed, Mario can purchase them for ten coins and give them to Zess T. who will move out of the way and also cook food for him.
