How lubricated with tears in their eyes?

Author: Jakša Lloyd

The main purpose of tears is to clean and lubricate the eyes.

Tears are the secretion of the lacrimal gland ducts at the surface of the eyes between the eyeball and cover.

Lacrimal glands, one for each eye, is located behind the upper eyelid. When target = "_self" title = "Eye Facts"> flash, known as liquid tear tears are spread over the surface of the eye.

The lower eyelids are called apertures puncte minutes in their margins and bottom collecting tears and go in the nose.

That is why the nose runs, if there is an excess of tears, for example caused by tears, laughter or peeling onions.

As the tears flow so that the increase in floods puncte eyes can not cope, and excess tears running down the cheeks.

It is important that the surface the eye (cornea) is constantly wet, and feed on lachrymal fluid, which washes all types of dust or small particles that are almost a constant in our modern world.

Another important function of the fight against the tear fluid bacterial infection which can attack the eyes.

Tears composed water, mucin, lipids, lysozyme, lactoferrin, Lipocalin, immunoglobulins, glucose, urea, sodium and potassium.

Tears in three layers on the surface of the eye, each with a specific and important role in normal circumstances. This coating or a film called precorneal film.

The lipid layer or the outer layer is responsible for preventing the drying surface forming a hydrophobic barrier to slow evaporation. At the same time, retains the barrier function of tears on her cheeks.

The middle layer, called the aqueous layer, fights infection and helps dissemination of the tear film on the surface of the eye.

Mucosa, or inner layer, depending on the adhesive layer water that is responsible for the distribution three layers to the surface of the eye. It also contains mucus that helps protect the cornea.

Healthy tear production is essential for eye health. The largest are those that produce fewer tears.

Very interesting and confusing is the fact that if the eyes are watering heavily, we will still suffer from a lack of tear fluid in health across the surface of the eye.

If this be not a reason to visit your eye consultant to have checked. Ignore symptoms, which appear in May, it could lead to sight problems.

Depending of the patient, clinicians can provide treatment or maintain the condition under control. Punct within blocks, but sometimes it can be restored to normal bylaser treatment.

Thin tear or inadequate fluid levels have caused problems target = "_self" title = "Contact Lenses – Choosing"> contact wearerswearers, but modern technology has largely overcome this problem, contacts are have become more flexible, disposable or permeability to oxygen.

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Find what you can expect from href = "http://healthwise.eyebeautytips.com/eye-vision/lasik-eye-surgery/" target = "_new"> laser eye surgery

Item Source: ArticlesBase.com – title = "How many tears lubricate the eyes? "> How The tears lubricate the eyes?

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