# HPT: Perimeter, Automatic, Ac-Powered

- Device class: 1; regulation: 21 CFR 886.1605; FDA's rule: 510(k) exempt
- FDA decisions: 41
- Recalls: 0 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026; MAUDE to Sep 30, 2026

## Decisions per year (last 10)
- 1993: 2
- 1994: 2
- 1995: 2
- 1996: 1
- 1997: 1
- 2003: 1
- 2005: 1
- 2007: 1
- 2009: 1
- 2010: 2

## Most-cited predicates
- K954167: Humphrey Field Analyzer (Hfa II) (1995), cited by 4
- K852639: Humphrey Field Analyzer Model 630 (1985), cited by 1
- K092187: Maia, Model 1 (2010), cited by 1
- K841099: Octopus 500/500E (1984), cited by 1
- K093213: Guided Progression Analysis on the Humphrey Field Analyzer II and II -I Series (2010), cited by 1
- K050350: The Notal Vision Preview Preferential Hyperacuity Perimeter (Preview PHP) (2005), cited by 1
- K091579: Foresee Home (2009), cited by 1

Source page: https://510kreport.com/product-code/HPT
Data by year (CSV): https://510kreport.com/product-code/HPT.csv