Assertion: cornea's layer | /r/CapableOf | remain on corneal surface
Facets:
Source sentences:
text: Therefore, for a tear layer to be able to remain on the corneal surface without rolling off, the “hydrophilic” (water-attracting) mucoid or mucin layer of the tear film is laid down onto the surface of the cornea by “goblet cells,” which are present in the bulbar conjunctiva.