# Amsler grid

> grid of horizontal and vertical lines used to monitor a person's central visual field

**Wikidata**: [Q478046](https://www.wikidata.org/wiki/Q478046)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Amsler_grid)  
**Source**: https://4ort.xyz/entity/amsler-grid


## References

1. Freebase Data Dumps. 2013