# Zeiss Humphrey System

- Location (FDA's records): San Leandro, CA
- FDA decisions: 9 (1979–1994): 9 510(k) clearances
- Product codes: HPT (2), HKI (1), HLQ (1), HLM (1), GEX (1), IYO (1), HKO (1), ITX (1)
- Predicates its devices cite: 0 (0 its own); citations of its devices by later devices: 3 (0 its own)
- Recalls linked to its devices: 0 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Firms that cite its devices most
- Neurovision, Inc.: 1 (https://510kreport.com/company/neurovision)
- Tomey Corporation USA: 1 (https://510kreport.com/company/tomey-usa)
- Carl Zeiss, Inc.: 1 (https://510kreport.com/company/carl-zeiss)

## Its most-cited devices
- K852639: Humphrey Field Analyzer Model 630 (1985), cited by 1
- K781994: Autokeratometer, Instrument (1979), cited by 1
- K923348: Ophthalmic a/B Scan System, Model 835 -- Modified (1992), cited by 1

## Recent decisions
- K942439: Zeiss Opmilas 144 Surgical Lasers (Jul 1, 1994)
- K923211: Digital Ophthalmic Ultrasound Biomicroscope (Nov 8, 1993)
- K923348: Ophthalmic a/B Scan System, Model 835 -- Modified (Dec 10, 1992)
- K852639: Humphrey Field Analyzer Model 630 (Sep 18, 1985)
- K852638: Humphrey Image Analyzer Model 110 (Aug 12, 1985)
- K821940: The Humphrey Field Analyzer Model 610 (Jul 28, 1982)
- K802029: Objective Refractor (Nov 12, 1980)
- K781994: Autokeratometer, Instrument (Feb 12, 1979)

Source page: https://510kreport.com/company/zeiss-humphrey-system