As the reason of too much gum produce, when your eyes infected by bacteria and virus, it will come into the symptom of inflammation. In one way, it stimulates the tarsus and boosts the secretion of oil on your eyes. When the oil is increased in your eyelids and canthus, the eyes will be sticky. In another way, these white blood cells conflict with the bacterial, these remains of them will be mixed into the gums, then the gums will be more and light yellow colored. So, the increasing of gum will be a signal for the conjunctiva palpebrae which caused by conjunctivitis. You need to check and cure it in time.