Diagnostic Procedure
landolt ring
Definitions related to landolt ring:
-
A diagrammatic method to test visual acuity in which a symbol, in the shape of the letter C, is presented to the patient who must identify on which side of the symbol the gap is present. Both the size of the gap and the size of the symbol are reduced until the subject makes a predetermined rate of errors, thus ending the test.CDISC TerminologyClinical Data Interchange Standards Consortium (CDISC), 2021
-
A standard test of visual acuity, a symbol, in the shape of the letter C, is presented to the patient who must identify on which side of the symbol the gap is present. Both the size of the gap and the size of the symbol are reduced until the subject makes a predetermined rate of errors, thus ending the test.NCI ThesaurusU.S. National Cancer Institute, 2021
Return to OpenMD Medical Dictionary
> L
This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.