Combigan Eye Drop is a product of 3M that is a non-prescription drop that provides relief for dry eyes. It is composed of a soothing, soothing, and emollient liquid with a patented complex that helps to relieve dry eyes. This product was first developed in 1978 and was released in 1979. It is used for the treatment of dry eye syndrome, which is a condition that affects approximately 10% of the population.