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.
The outer membrane of the eye is called the conjunctiva. Any irritation of the cornea or conjunctiva can lead to watery eye. Inflammation of the conjunctiva from (conjunctivitis) infection, irritants (chemical splash, etc.), or allergy (hay fever) is a common cause of itchy, watery eyes, as well as eye swelling. Infection of the eye can require antibiotics in the form of prescription eyedrops.