Dr. Pigeon One-Drop, One-Eye, One-TimeOne Drop, One Eye, One Time is an excellent product when birds are experiencing upper respiratory infection symptoms known as "one eye cold". Drops are made of 100% natural herbal and oil extracts and may even be used during periods of high respiratory distress such as in the racing season. Key Benefits Helps reduce and prevent one eye cold symptoms, especially when experiencing upper respiratory diseases Helps clear eyes from dust and reduces