Lacrimation is the excessive secretion of tears as in the case of eye irritation or injury. The most common cause is dry eye syndrome which is characterized by a lack of lubricating tears; this then leads to overproduction of tears when the eye is irritated by dryness. The treatments for such excessive tearing depend on the cause; for instance, patients with lacrimation due to dry eye syndrome are given artificial tears eyedrops, those with infections are prescribed with antibiotics, and those with mal-positioned eyelids may require surgery.

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