A visually impaired former bus driver can continue her discrimination claims against the Chicago Transit Authority, a federal appeals panel has ruled.The 7th U.S. Circuit Court of Appeals this week determined that Bonjour Mack, deemed unfit to drive due to low blood pressure and progressive dystrophy in her left eye, should be given a chance to work in a different position.In a nonbinding decision Monday, Chief Judge Diane P. Wood wrote that the U.S. District Court judge misstated the applicable case law on the …