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.
People who have blepharitis may have a gritty or a burning sensation in the eyes, excessive tearing, itching, red and swollen eyelids, dry eyes or crusting of the eyelids. For some other people, blepharitis leads to only minor irritation and itching.