Assertion: eye chart's letter | /r/HasProperty | equal
Facets:
value: to the letter size
type: OTHER
Source sentences:
text: The letter-to-letter and line-to-line spacing is equal to the letter size.
text: Spacing between letters is equal to letter width, and spacing between rows is equal to the height of the letters in the subsequent, smaller row.11 Notice that, as in the Snellen Chart, all of the characters are consonants with the exception of 0.