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.
Your eyes may feel irritated or gritty. Eye pain may be accompanied by blurred vision, itching, redness, dry eyes, or watery eyes. Eye pain may result from trauma, allergies, and infections of the eye area, or from more generalized conditions, including migraine, upper respiratory infections, and sinus problems. The most obvious cause of eye pain is a direct injury, such as a cut or blunt impact to the eye area.