The syndrome of ' dry eye depends on an incorrect flow of tears that serves consistently provides the moisture in the eyes, in order to lubricate and allow good vision, without any kind of discomfort, the tears are composed of three different substances, each of which is secreted by a particular type of glands, which are located all around the eyes, and performs a specific function.
The main substance is water that has the function to moisturize the eyes, the other substances, however, are lipids, which serve to lubricate the surface of the eyes, the mucus, which favors the spreading of tears, and, finally, proteins and antibodies; any kind of imbalance in this lacrimal system involves the onset of a disorder, known by the name of dry eye syndrome, a disease characterized by the lack of lubrication and moisture on the surface of the eye: the consequences of this disease, which is sometimes also called keratitis or dry, when it refers to the dryness of the cornea, keratoconjunctivitis sicca, ranging from mild irritation to inflammation of the tissues of the eyes.
Common symptoms of dry eye syndrome
If the eye is not properly lubricated by tears, are felt, in most cases, the following symptoms:
In some cases, people who suffer from dry eye syndrome may have excessive tearing, a symptom that may appear contradictory, however, when the eye is not properly hydrated with tears, the body sends a signal from the eye to the nervous system, which responds by triggering increased lacrimation to compensate for the dryness: These tears, however, are composed mainly of water, so you do not have the lubricating qualities and other properties of tears, so it will be useful for eliminating dust on the surface of the eye , but do not absolve the specific function to lubricate the ocular surface.