Tears (or lacrimal fluid) are formed not only at the cry — in fact, they are constantly produced by a special body — the lacrimal gland, located at the top of the outside of the eye. Tear wets the eyeball and a protective film on its surface, after which accumulates at the inner corner of the eye. If you blink tear film is updated, and a tear comes to located at the inner corner of the eye lacrimal way — tear ducts, lacrimal sac and nasolacrimal duct. Through the nasolacrimal duct tear gets into the nasal cavity. That's why when people cry at the same time begins to "flow" nose.
Lacrimal gland and lacrimal way relate tolacrimal apparatus eyes. As a result of various reasons may be affected by any components of this unit. Most often they occur inflammatory process:
- dakrioadenit — inflammation lacrimal gland;
- kanalikulit — inflammation tear ducts.
- dacryocystitis — Inflammation of the lacrimal sac.
Diagnosis and treatment of diseases of lacrimal apparatus engaged ophthalmologist. After the examination, the doctor may prescribe both conservative and surgical treatment. The operation is done in the case of congenital abnormalities, chronic inflammation of the lacrimal, and with no effect of drug therapy.