Understanding the Tear Film
The mucus layer
The mucin layer is the deepest layer of the tear film and adheres firmly to the underlying epithelial cells of the cornea and conjunctiva. Its thickness varies from 0.8 mm over...
The mucus layer
The mucin layer is the deepest layer of the tear film and adheres firmly to the underlying epithelial cells of the cornea and conjunctiva. Its thickness varies from 0.8 mm over...
The acqueous layer
The aqueous layer, which is about 8 mm thick, represents the bulk of the precorneal tear film. It is composed of 98% water, but also contains the following: Water soluble gases: oxygen...
The acqueous layer
The aqueous layer, which is about 8 mm thick, represents the bulk of the precorneal tear film. It is composed of 98% water, but also contains the following: Water soluble gases: oxygen...
The lipid layer
The lipid layer is the thin outermost layer that is exposed to the air. Its thickness (0.1 to 0.2 mm) varies during the day, attaining its maximum on awakening. The precise composition...
The lipid layer
The lipid layer is the thin outermost layer that is exposed to the air. Its thickness (0.1 to 0.2 mm) varies during the day, attaining its maximum on awakening. The precise composition...
The role of the tear film
Role of the precorneal tear film The precorneal tear film has several important functions that are essential to the health of the eye. It: maintains a moist environment on the surface...
The role of the tear film
Role of the precorneal tear film The precorneal tear film has several important functions that are essential to the health of the eye. It: maintains a moist environment on the surface...