Assertion: eye chart's letter | /r/CapableOf | represent an acuity of 6/60
Facets:
value: often
type: TEMPORAL
Source sentences:
text: The largest letter on an eye chart often represents an acuity of 6/60 (20/200), the value that is considered "legally blind" in the US.
text: The largest letter on an eye chart often represents an acuity of 6/60 (20/200), the value that is considered "legally blind" in the US.