Schirmer's test

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Eye	Schirmer's test

Tear test; Tearing test; Dry eye test; Basal secretion test

More than 10 mm of moisture on the filter paper after 5 minutes is a sign of normal tear production. Both eyes normally release the same amount of tears.

Dry eyes may result from:

• Aging
• Blepharitis
• Climate changes
• Corneal ulcers and infections
• Eye infections (for example, conjunctivitis)
• Laser vision correction
• Leukemia
• Lymphoma
• Rheumatoid arthritis
• Previous eyelid or facial surgery
• Sjogren syndrome
• Vitamin A deficiency

Review Date: 02/10/2011
Reviewed By: Linda Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington School of Medicine; and Franklin W. Lusby, MD, Ophthalmologist, Lusby Vision Institute, La Jolla, California. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).

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