All About Lagophthalmos

Lagophthalmos is defined as the inability to close the eyelids completely.[1]

Blinking causes the eye to be being by a thin film of fluid (the tears). This is crucial to maintain lubrification and proper eye health. The tears also flush out foreign bodies and wash them away.

References

1. ^ Cline D; Hofstetter HW; Griffin JR. Dictionary of Visual Science. 4th ed. Butterworth-Heinemann, Boston 1997. ISBN 0-7506-9895-0