Great Benefits of Opticlear for Dogs and Cats: Sterile, veterinary eyewash 4oz solution Soothing isotonic buffered solution formulated to be the same pH as normal tear fluid Helps relieve discomfort and itching Flushes out pollen, air pollutants, hair and other foreign materials Soothes eye irritation and discomfort caused by dry mucous Squeeze bottle makes it easy to flush eye