Meanings
nounLandolt C (plural Landolt Cs)
plural Landolt Cs
- A ring with a gap in it, used as a symbol in vision tests.
Synonyms: Landolt broken ring, Landolt ring
Synonyms & antonyms
nounA ring with a gap in it, used as a symbol in vision tests.
Also see
Origin
Developed by the Swiss-born ophthalmologist Edmund Landolt.
Full word history & related roots →Cite this entry
APA
Landolt C. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Landolt%20C
MLA
“Landolt C.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Landolt%20C. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “Landolt C,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Landolt%20C.
Source: Landolt C on Wiktionary, CC BY-SA 4.0.