1. Ott, Andrew T, OD 814 W Bell Ave, Knoxville, IA 50138 Coordinate: 41.30506,-93.10651 Phone: (641) 828-7993
2. Whylie Eye Care Centers 123 E Main St, Knoxville, IA 50138 Coordinate: 41.31914,-93.09783 Phone: (641) 842-2020