But shoppers have been conditioned to shop only for deals, and David Bassuk, head of the global retail practice at consulting firm AlixPartners, said the next few weeks could set up a "game of chicken, " with consumers waiting to see if retailers' prices will come down before buying.
Nine volunteers with amblyopia were asked to wear the goggles for an hour a day over the next two weeks while playing Tetris, the falling building block video game.
According to ACB guidelines, Warne faces a mandatory two-year ban from the game if the B sample, which will be tested in the next few weeks, also proves positive.