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precorneal film


Definition: a protective film, 7–9 nm thick, consisting of external oily, intermediate watery, and deep mucoprotein layers.

Synonym(s): tear film

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.