Home › Entities › general › optical illusion

optical illusion

visual perception that differs from objective reality
Thing general Q174923
Press Enter · cited answer in seconds

optical illusion

Summary

optical illusion has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[1]

Key Facts

  • optical illusion is a type of illusion[2].
  • optical illusion's Commons category is recorded as Optical illusions[3].
  • optical illusion's topic's main category is recorded as Category:Optical illusions[4].
  • optical illusion's Commons gallery is recorded as Optical illusion[5].
  • optical illusion's described by source is recorded as Armenian Soviet Encyclopedia[6].
  • optical illusion's described by source is recorded as Brockhaus and Efron Encyclopedic Dictionary[7].
  • optical illusion's described by source is recorded as Small Brockhaus and Efron Encyclopedic Dictionary[8].
  • optical illusion's described by source is recorded as Meyers Konversations-Lexikon, 4th edition (1885–1890)[9].
  • optical illusion's different from is recorded as optical illusion image[10].
  • optical illusion's on focus list of Wikimedia project is recorded as Wikipedia:Vital articles/Level/4[11].
  • optical illusion's maintained by WikiProject is recorded as WikiProject Mathematics[12].

Body

Definition and Type

optical illusion is a type of illusion[2].

Why It Matters

optical illusion has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[1] It is known by 80 alternative names across languages and contexts.[13]

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikidata sitelinks. wikidata.org.
  2. [13] ↑ . 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). optical illusion. Retrieved April 11, 2026, from https://4ort.xyz/entity/optical-illusion
MLA “optical illusion.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Apr. 2026, https://4ort.xyz/entity/optical-illusion.
BibTeX @misc{4ortxyz_optical-illusion_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{optical illusion}}, year = {2026}, url = {https://4ort.xyz/entity/optical-illusion}, note = {Accessed: 2026-04-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): optical illusion — https://4ort.xyz/entity/optical-illusion (retrieved 2026-04-11)

Canonical URL: https://4ort.xyz/entity/optical-illusion · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 23d ago · Jindřich Rubeš · 2026-06-12 view diff on Wikidata ↗
    Svkkl authority id → 0204209-zrakove-klamy
    "/* wbcreateclaim-create:1| */ [[Property:P9322]]: 0204209-zrakove-klamy, [[:toollabs:quickstatements/#/batch/259493|batch #259493]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.