Humphrey FDT – for efficient visual field loss detection Clinically validated Multiple studies1-15 have shown that the Humphrey FDT detects visual field loss due to a variety of ocular diseases, including glaucoma. Thus FDT is ideal for clinics desiring to identify patients in need of ophthalmological referral.

  • FDT is clinically validated in more than 170 peer-reviewed publications. Proven performance on virtually all patients Studies have found that virtually all patients can perform this fast and simple test with reliable results: • Beijing Eye Study: 98% patient success. 14
  • Tajimi Population Screening Study: 98.7% patient success.15 Easy to operate and interpret The FDT is optimized for use in non-ophthalmological settings and may be operated by healthcare workers having little or no specialty training in ophthalmology.
  • Simplified three touch operation.
  • Patients may be tested using their own glasses.
  • Short test: ~ 40 seconds per eye.
  • Small footprint.
  • Simplified interpretation of results. Both the Matrix and FDT also provide
  • Large, age-related normative database.
  • Compact design that fits anywhere in your practice.
  • Easy and intuitive operation for users of any level of experience.
  • No requirement for trial lenses or eye patches.
  • Dependable performance in ambient light.

Zeiss Humphrey FDT Specifications:

Test Specifications
Maximum temporal range (degrees) 30
Stimulus duration 300ms
Visual field testing distance Infinity
Background illumination 100 cd/m2
Threshold test libraries C-20, N-30
Threshold test strategy MOBS
Screening test libraries C-20, N-30
Fixation control Heijl Krakau blind spot monitor
Operator interface LCD
Stimulus Frequency doubling
Stimulus sizes 10°
Printer Thermal printer
Height 17” (43 cm)
Width 10” (25 cm)
Depth 19” (48 cm)
Weight 19 lbs (8.6 kg)
Electrical requirements 100-120 V, 50/60 Hz; 230V, 50/60 Hz
Standards Meets UL, CSA, and CE standards

Product Data


Disease Entity