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Schirmer's test determines whether the eye produces enough tears to keep it moist. This test is used when a person experiences very dry eyes or excessive watering of the eyes. It poses no risk to the patient.
The eye maintains a stable level of moisture and eliminates foreign particles by producing tears. This is a condition that occurs when the tear glands are unable to produce enough tears to keep the eyes moist. This causes stinging, burning, and redness in the eye.
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This article will review the purpose and relevance of the Schirmer tear test. Simple tests to estimate lacrimation tear production in humans were first described by the German ophthalmologist Otto Schirmer inand a veterinary modification was first described in Basal tear production is defined as the quantity of tears produced which normally lubricate the corneal surface.
It can be used to diagnose tear deficiency as a contributing factor to ocular eye surface diseases, such as Keratoconjunctivitis sicca KCSpigmentary keratitis, indolent corneal ulcers, exposure keratitis, and more. It can also be used to assess lacrimal gland function before cataract surgery. Each standardized sterile strip has a color bar tear front indicator and a millimeter scale up to 35 mm.
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