Assertion: eye chart's line | /r/CapableOf | comprise same number of test letters
Facets:
Source sentences:
text: Each line of the LogMAR chart comprises the same number of test letters (effectively standardizing the test across letter size); the Sloan font is used (Sloan letters are approximately equally legible one from another); letter size from line to line varies logarithmically, as does the spacing between lines (making the chart easy to use at nonstandard viewing distances).