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Landolt C

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Landolt C

Summary

Landolt C is an eye chart[1]. It draws 52 Wikipedia views per month (eye_chart category, ranking #3 of 9).[2]

Key Facts

  • Landolt C's image is recorded as Landolt C.svg[3].
  • Landolt C's instance of is recorded as eye chart[4].
  • Edmund Landolt is named after Landolt C[5].
  • Landolt C's Commons category is recorded as Landolt C[6].
  • Landolt C's Freebase ID is recorded as /m/07rbcg[7].
  • Landolt C's Encyclopædia Britannica Online ID is recorded as science/Landolt-rings[8].
  • Landolt C's UMLS CUI is recorded as CL540350[9].
  • Landolt C's Microsoft Academic ID is recorded as 2777651767[10].

Why It Matters

Landolt C draws 52 Wikipedia views per month (eye_chart category, ranking #3 of 9).[2] It has Wikipedia articles in 7 language editions, a strong signal of global cultural recognition.[11] It is known by 5 alternative names across languages and contexts.[12]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . Freebase Data Dumps. wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [11] ↑ . Wikidata sitelinks. wikidata.org.
  3. [12] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Landolt C. Retrieved May 3, 2026, from https://4ort.xyz/entity/landolt-c
MLA “Landolt C.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/landolt-c.
BibTeX @misc{4ortxyz_landolt-c_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Landolt C}}, year = {2026}, url = {https://4ort.xyz/entity/landolt-c}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Landolt C — https://4ort.xyz/entity/landolt-c (retrieved 2026-05-03)

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