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Dry Eye

Alteration of ocular surface due to a deficiency in the lachrymal film's capacity to lubricate the eye surface.

Causes

Limited tear production (volume and/or quantity).
Excessive evaporation: instability of the tear film by an alteration in the lipid layer.

Symptoms

Feeling of discomfort.
Strange body and dryness sensation.

Ojos secos

Factors

External:

Wind, air conditioning, heating and/or pollution increase evaporation.
Contact lenses, eye drops and medications decrease tear production.

Internal:

Alteration of blinking.
Alteration of the aqueous component of the teardrop (aging, hormonal factors, Sjögren disease).
Alterations in the lipid component (blepharitis).
Alterations in the mucinous component (scabbing conjunctivitis, trachoma, eye burns).
Decreased reflex of tear production.

Lachrymal system

Secretory system:
- o Reflex tears.
- o Basal tear: Krause and Wolfring glands.
Excretory system:
- o Lachrymal points.
- o Lachrymal sack.
- o Nasolachrymal duct.

Teardrop

Composition

Water: 98%.
Fatty acids and other lipid molecules that slow down the evaporation of water and stabilize the tear.
Proteins: located in the lower part of the tear film, they have affinity for the surface of the eye and water.
Minerals.

Structure

Lipid layer (oil):
- o It reduces the evaporation of the tear film.
- o Keeps the humidity.
- o It lubricates the eyelid.
Aqueous coating:
- o It moisturizes and provides nutrients and oxygen.
- o It maintains the optimum viscosity of tears.
Mucinous layer:
- o It helps the tear film to remain attached to the surface of the eye.

Functions:

Metabolic.
Optical.
Bacteriostatic.
Lubricant.
Photo-absorbent.
Nasal moistening.
Drags small foreign bodies with the flicker.

Sjögren syndrome

Systemic autoimmune disease that affects mainly exocrine glands of the organism, such as the salivary and the lachrymal glands, causing a drop of their secretions, which is why it is also called dry syndrome..

Characteristics:

Eye dryness.
Mouth dryness.
Rheumatic arthritis.
Systemic alterations of autoimmune diseases.
Sjögren's syndrome can be primary, or be produced accompanied by another disease (autoimmune diseases, tumors), then it is called secondary Sjögren's syndrome.

Active ingredients

-Essential fatty acids and fish extract: Protects by providing a uniform surface of the eye for the cornea. It hydrates and maintains optimum viscosity of tears. They stimulate the production of prostaglandins PG-3 and reduce eye damage and irritation. They maintain cell structure. They stimulate aqueous tear secretion.

-Collagen, hyaluronic acid and chondroitin sulfate: Moisturize to retain and absorb water molecules. It is important for the structural maintenance of the vitreous body.

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Dry Eye

Factors

Teardrop

Sjögren syndrome

Active ingredients

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