# Müller-Lyer illusion

> optical illusion

**Wikidata**: [Q926299](https://www.wikidata.org/wiki/Q926299)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Müller-Lyer_illusion)  
**Source**: https://4ort.xyz/entity/m-ller-lyer-illusion


## References

1. Freebase Data Dumps. 2013