Assertion: eye chart's line | /r/HasProperty | etdrs format
Facets:
Source sentences:
text: Front side of eye chart features HOTV characters in proportionally-spaced lines (ETDRS format) for monocular and binocular (left eye / right eye) vision testing.
text: Front side of eye chart features pediatric symbols in proportionally spaced lines (ETDRS format) for monocular (testing one eye with the other eye occluded) and binocular (testing both eyes simultaneously) visual acuity testing or screening.