Zeiss Humphrey FDT perimeter

Clinically Validated
Multiple studies 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
• Tajimi Population Screening Study: 98.7% patient success

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Use the FDT Anywhere:
• General hospitals
• Polyclinics
• Community clinics
• Industrial health check clinics
• Optical shops
Patients with a positive FDT result can be referred for specialized ophthalmic examination. Interpretation criteria may be adjusted for local conditions.

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