Checked by OPHTAZON
Possible installation on quotation
Buy now 11 000 €
ref : 13561
Year of mfg. : 2015
Available on 2026-12-01
Latest check up : 2026
Possible installation on quotation
Used equipment inspected by our experts
Functional condition: very good
Cosmetic condition: very good
Zeiss reliability and precision
Express shipping available upon request
The ZEISS HFA III 850 is a high-end automated perimetry system designed for visual field testing, glaucoma diagnosis, and monitoring of disease progression.
It is part of the Humphrey Field Analyzer 3 series from Carl Zeiss Meditec.
Compared to the HFA III 840, it notably features blue-yellow perimetry (SWAP) and additional examination control functions.
Technical Specifications
HFA III 850 Specifications
Manufacturer: Carl Zeiss Meditec
Technology: Automated static and kinetic perimetry
Maximum temporal field: 90°
Examination distance: 30 cm
Stimulus duration: 200 ms
Background illumination: 31.5 apostilbs
Goldmann I–V stimulus sizes
Touchscreen LCD
Gaze tracking
Head tracking
Vertex monitoring
SWAP blue-yellow perimetry
GPA and VFI progression analysis
Automatic optical correction: No
Programs and features
- 24-2 / 24-2C: central visual field testing for glaucoma.
- 30-2: neurological and glaucoma screening.
- 10-2: detailed analysis of the central visual field.
- 60-4: Peripheral examination.
- SITA Standard, Fast, and Faster: Examination strategies.
- SITA-SWAP: Blue-yellow perimetry.
- Esterman: Functional assessment of the visual field.
- RelEYE: retrospective visualization of the eye during the examination.
- GPA: analysis of glaucoma progression.
Comparison of ZEISS HFA III Models
Function 830 / 840 / 850 / 860
SITA Faster Yes / Yes / Yes / Yes
Gaze Tracking No / Yes / Yes / Yes
Head Tracking No / Yes / Yes / Yes
Vertex Monitoring No / No / Yes / Yes
Blue-Yellow SWAP No / No / Yes / Yes
RelEYE No / No / Yes / Yes
Liquid Trial Lens No / No / No / Yes
Dimensions and Weight
Width: 51 cm
Depth: 46 cm
Height: 58 cm
Weight: approximately 28.7 kg, excluding the table.
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