There are many reasons for the appearance of white mucus in the whites of the eyes, generally divided into physiological and pathological factors. Physiological factors are mainly caused by the eye’s own secretions or visual fatigue, while pathological factors appearing as white mucus may exist in diseases such as germ infection and dry eye. A. Physiological factors: 1. The white mucus is likely to be the secretion of the eyelids themselves, this secretion comes from the tear lids, lid glands, and eye surface cells, and generally appears when the eyelids are moving and the tear glands are secreting, which is a normal physiological phenomenon. For physiological factors appearing white mucus, no special treatment, daily attention to clean can; 2, visual fatigue: visual fatigue often by excessive eye, such as long-term use of electronic products or long-term eye work, when visual fatigue may appear in the cornea white mucus, generally after this phenomenon, pay more attention to rest can be alleviated, usually pay attention to eye moderate. Pathological factors: 1, germ infection: germ infection is common in conjunctivitis, can be caused by bacteria, fungi, viruses, parasites, chlamydia and other infections, by the adjacent tissue invasion and conjunctiva, the eye foreign body, such as white mucous or purulent matter, in serious cases may also appear bleeding. For germ infections need to determine the causative agent, and then apply the appropriate antibiotics for drug sensitivity testing, you can also use saline or silver nitrate solution to rinse and wipe the eye; 2, dry eye disease: dry eye disease is mainly caused by insufficient secretion of the tear glands, when dry eye disease, patients can be manifested as the eye appears white mucous, dry feeling, for the treatment of dry eye disease need to first intake enough water, for tear gland evaporation For those with excessive tear evaporation, it is recommended to use silicone eye shields and, if necessary, artificial tears or autologous serum eye drops.