Assertion: camel's eyelid | /r/CapableOf | protect the cornea
Facets:
value: from blowing sand
type: TRANSITIVE-OBJECT
Source sentences:
text: To keep sand out of their eyes, xerocoles including reptiles and birds, and some amphibians and mammals have a nicitating membrane in their eyes: a third, transparent eyelid that protects the cornea from blowing sand and can dislodge it from the eye.