Assertion: cornea | /r/CapableOf | help to focus light waves
Facets:
value: onto the retina
type: TRANSITIVE-OBJECT
value: at the back of the eye
type: LOCATION
Source sentences:
text: The cornea is the thin-walled, “dome-shaped” transparent layer forming the front of the eyeball; it serves as a protective covering and helps to focus or bend (refract) light waves onto the retina at the back of the eye.