Wiktionary

Landolt C

English edit

 
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Etymology edit

Developed by the Swiss-born ophthalmologist Edmund Landolt.

Noun edit

Landolt C (plural Landolt Cs)

 
Landolt C optotypes in various sizes and orientations
  1. A ring with a gap in it, used as a symbol in vision tests.

Synonyms edit

Hypernyms edit

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