Lactoferrin – what is it?
Lactoferrin is a protein that exhibits a unique combination of antimicrobial, antiviral and antiinflammatory properties. It is one of the eye’s important immunological defense mechanisms and also is a biomarker used to assess the secretory function of the lacrimal gland.

Benefits of testing lactoferrin levels in the tear film:

• Low Lactoferrin levels directly correlate to DED caused by aqueous deficiency
• The severity of DED can be determined by the Lactoferrin level
• Low Lactoferrin levels indicate DED and depressed ocular immunity, which may represent an increased surgical risk
• Low Lactoferrin levels may indicate the cause of contact lens intolerance
• Changes in Lactoferrin levels may show the efficacy of the prescribed treatment

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IgE – what is it?
IgE (Immunoglobulin E) is an antibody that binds to allergens and triggers the degranulation of mast cells that cause inflammation.

Benefits of testing IgE levels in the tear film:

• The presence of IgE indicates the diagnosis of allergic conjunctivitis
• Levels of IgE increase with the severity of the allergic response
• IgE testing can help differentiate allergic conjunctivitis from dry eye disease
• Allergic conjunctivitis is a contraindication for LASIK and other surgical procedures
• Changes in IgE levels may show the efficacy of the prescribed treatment

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The T-POC Quantitative Testing Platform is currently being used to improve patient care in the areas of dry eye, ocular immunology, ocular allergy and ocular surgery, including LASIK. The tests are simple to perform, accurate, rapid, repeatable and reimbursable.

To learn more, visit our Resources page