- The aqueous layer of the tear film is the thickest layer.
- The lipid layer of the tear film is produced by the conjunctival goblet cells.
- The mucin layer is secreted by the glands of Wolfring.
- There are 4 layers of the tear film.
Correct Answer: The aqueous layer of the tear film is the thickest layer.
There are 3 layers of the tear film: the aqueous layer (11um) which is the thickest layer, the lipid layer, produced by the meibomian glands, and the mucin layer produced by the conjunctival goblet cells.