Assertion: eye chart's line | /r/HasProperty | read
Facets:
value: correctly
type: MANNER
Source sentences:
text: More than one line may be read.
text: The lowest line that can be read correctly is the visual acuity for that eye.
text: (For example, if the 20/40 line could be read, but not the 20/20 line, the vision is at least 20/40, but could also be 20/30 or 20/25.)