These eye drops are a form of \'artificial tears\'. They do not contain any pharmacologically active ingredients as such, but do contain polyvinyl alcohol, which is a lubricant that relieves dryness and irritation of the eyes. Liquifilm Tears Eye Drops Liquifilm Tears Eye Drops are a form of ‘artificial tears’ to treat irritable and dry eyes. They do not contain any pharmacologically active ingredients; however, they do contain polyvinyl alcohol to lubricate the eyes.