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Concept information

Eye Diseases > Lacrimal Apparatus Diseases > Lacrimal Duct Obstruction

Preferred term

Lacrimal Duct Obstruction  

Type

  • mesh:Descriptor

Definition

  • Interference with the secretion of tears by the lacrimal glands. Obstruction of the LACRIMAL SAC or NASOLACRIMAL DUCT causing acute or chronic inflammation of the lacrimal sac (DACRYOCYSTITIS). It is caused also in infants by failure of the nasolacrimal duct to open into the inferior meatus and occurs about the third week of life. In adults occlusion may occur spontaneously or after injury or nasal disease. (Newell, Ophthalmology: Principles and Concepts, 7th ed, p250)

Entry terms

  • Tear Duct Obstruction

In other languages

URI

http://data.loterre.fr/ark:/67375/JVR-SCZSRZD0-2

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