Landolt C

English

Etymology

Developed by the Swiss-born ophthalmologist Edmund Landolt.

Noun

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

Hypernyms

This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.