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Lacrimal Duct Obstruction

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)

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Subheadings:

Tree Number(s): C11.496.456

MeSH Unique ID: D007767

Entry Terms:

  • Duct Obstruction, Lacrimal
  • Lacrimal Duct Obstructions
  • Obstruction, Lacrimal Duct
  • Tear Duct Obstruction
  • Duct Obstruction, Tear
  • Obstruction, Tear Duct
  • Tear Duct Obstructions
  • Nasolacrimal Duct Obstruction
  • Duct Obstruction, Nasolacrimal
  • Nasolacrimal Duct Obstructions
  • Obstruction, Nasolacrimal Duct

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