# vergence

> reciprocal of the distance between the point of focus and a reference plane

**Wikidata**: [Q632617](https://www.wikidata.org/wiki/Q632617)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Vergence_(optics))  
**Source**: https://4ort.xyz/entity/vergence-q632617


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)