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Introduction to Lacrimal Apparatus


Pre-corneal tear film has three layers:

  1. Lipid layer (From Meibomian glands and gland of Zeis).
  2. Aqueous layer (From main lacrimal glands (95%) and accessory lacrimal glands of Krause and Wolfring).
  3. Mucin layer (From goblet cells and glands of Henle and Manz present in conjunctiva).

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