A visually impaired woman denied service at a McDonald’s restaurant when she approached the drive-thru window on foot does not have a case under the Americans with Disabilities Act, a federal judge ruled Tuesday.In a written opinion, U.S. District Judge Joan H. Lefkow granted summary judgment in favor of McDonald’s in a proposed class-action lawsuit filed by Karen Morey.Morey alleged McDonald’s violates Title III of the ADA by failing to provide an accommodation that would allow visually impaired …