Assertion: cataract's lens | /r/HasProperty | n’t needed
Facets:
value: medically
type: MANNER
Source sentences:
text: But if that convenience isn’t worth the out-of-pocket cost, then the premium lenses aren’t needed.
text: This lens is considered medically necessary, and the implant is covered by Medicare; however, there are other types of lenses, called premium lenses, which allow for different ranges of vision without corrective wear like glasses.