Assertion: eye's lens | /r/HasProperty | either eyeglasses
Facets:
Source sentences:
text: Individuals with low to moderate farsightedness can achieve full vision by wearing corrective convex lenses (either eyeglasses or contact lenses).
text: People who are nearsighted can (but not always) achieve full vision by wearing corrective concave lenses (either eyeglasses or contact lenses).