# optical illusion

> visual perception that differs from objective reality

**Wikidata**: [Q174923](https://www.wikidata.org/wiki/Q174923)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Optical_illusion)  
**Source**: https://4ort.xyz/entity/optical-illusion


## References

1. [Source](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap)
2. [Nuovo soggettario](https://thes.bncf.firenze.sbn.it/termine.php?id=30189)
3. Nuovo soggettario
4. Freebase Data Dumps. 2013
5. BabelNet
6. UMLS 2023
7. Great Norwegian Encyclopedia
8. National Library of Israel
9. KBpedia
10. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)
11. Know Your Meme