The National Motor Freight ClassificationÂ®. The National Motor Freight ClassificationÂ® (NMFCÂ®) is a standard that provides a comparison of commodities moving in interstate, intrastate and foreign commerce. It is similar in concept to the groupings or grading systems that serve many other industries.
Dry eyes Symptoms of dry eyes include a gritty sensation, pain, light sensitivity, eye redness, burning, and stinging. Sjogren's syndrome Sjogren's syndrome is an autoimmune disorder that most often causes dry eyes and dry mouth.
Tear ducts can become blocked from infection and inflammation, both of which can also lead to excessive tear production. The outer membrane of the eye is called the conjunctiva. Infection of the conjunctiva (conjunctivitis) is a common cause of itchy, watery eyes, as well as eye swelling. Symptoms that can be associated with watery eye and excessive tearing include. 1  eye pain, 2  eye inflammation or eye infection, 3  vision impairment,