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.
Tears are a combination of water, oil, and mucus. Healthy eyes glisten due to the presence of a balanced tear film. Excess water production in tears can be protective to the eye. Watery eye is usually caused by irritation or infection of the eye, injury to the eye from trauma, or a common cold. Other symptoms of eye irritation, including itching, redness, a gritty feeling, and swelling of the eyelids, often accompany watery eyes. Search Now.