Why do people need tears? Maybe we can do without them well? This idea sometimes comes to mind, especially when it starts to disturb lachrymation. Its causes are different. But first a little about how tears are formed.
Above, at the outer edge of the eye, there is a teariron, which produces a liquid. Tears performs a protective function. They protect the eye from infection, with the help of them remove small mote. They moisturize the eyeball, protect the eyes from wind, cold, bright sun. But sometimes excessive formation causes lacrimation. The eye protects itself in this way. For example, in the wind, in the cold, in a room where there is a lot of smoke or irritating chemicals in the air.
Tears in increased amounts are produced whenconjunctivitis - inflammation of the conjunctiva, or keratitis - inflammation of the cornea of the eye. There are other factors that cause lacrimation. The reasons can be wrong use of contact lenses, foreign bodies caught in the eye, burns with ultraviolet rays, eye contact with some chemicals, such as carcass or cream. Sometimes in tearing, the increased function of lacrimal glands is to blame.
Another group of reasons is all that violatesnormal outflow of tears. To remove excess tear fluid, there is a tear sack and the way it flows into the nasal passages. Disrupt the outflow may be trauma, inflammation, stones of the tear duct, swelling of the nasal mucosa in rhinitis. Young children also often have lachrymation. The reasons for it usually consist in the anatomical features of young children. But sometimes it is associated with dacryostenosis - a mucous plug, which did not have time to resolve after birth.
The elderly change with agelocation of lacrimal points - holes of the tear duct. This is due to a violation of the elasticity of the skin of the eyelids. In the wind or in the cold, lacrimation begins. In this case it is necessary to address to the ophthalmologist. If the patency of the lacrimal passages is impaired, only the removal of obstacles to the outflow of liquid will help. Sometimes helps massage the lacrimal sac. If it did not work, a small surgery or lavage of the lacrimal system would restore the correct outflow.
However, there are more serious reasons for thisan unpleasant phenomenon. These include dacryocystitis and trauma to the pathways through which outflow of tear fluid occurs. Trauma to the nasal septum, if accompanied by its curvature, can also cause lacrimation. The reasons for these can be eliminated only in an ophthalmological hospital. Therefore, an appeal to the ophthalmologist is necessary.
People after 50 years of lacrimation candevelop due to a disorder called dry eye syndrome. Eyes begin to water in the light, with the wind, sometimes even for no apparent reason. This is due to the fact that due to age-related changes, the protective function of the tear film is impaired. Medical treatment of lacrimation with the help of replacing drops (vidisik, otagel, otolik) and others can help here. But in any case, you must first consult an ophthalmologist, who should clarify the diagnosis.
How to cope with the problem, in each specificThe case must be decided by the doctor. First of all, infectious and inflammatory eye diseases, problems associated with wearing lenses, trauma and exposure to chemicals are excluded. If lacrimation is seasonal, it probably arises as an allergic reaction to pollen from plants. The allergist's advice will help here.
In any case, with lacrimation should be fought. Do not reconcile with him even at a very old age.