Lacrimal system and disorders

lacrimal apparatus a group of organs concerned with the production and drainage of tears; it is a protective device that helps keep the eye moist and free of dust and other irritating particles. The lacrimal gland, which secretes tears, lies over the upper, outer corner of the eye; its excretory ducts branch downward toward the eyeball.  Tears secreted by the lacrimal glands spread across the cornea and flow through the superior and inferior lacrimal points (lacrimal puncta) at the inner corner of the eyelids. Then, the tears are drawn into the lacrimal canals or ducts to the lacrimal sac before flowing into the nasal cavity. Through these openings the tears pass into the lacrimal canaliculus, then through the lacrimal sac into the nasolacrimal duct and finally into the nasal cavity.  Dry eye is a complex disease that can occur owing to a disorder of the lacrimal system

  • Alacrima
  • Canalicular Laceration
  • Congenital Anomalies of the Nasolacrimal Duct
  • Dacryoadenitis
  • Dacryocystitis
  • Dacryocystorhinostomy
  • Dry Eye Syndrome
  • Lacrimal Gland Tumors
  • Obstruction Nasolacrimal Duct

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