Humphrey matrix fdt manual

Humphrey Matrix User Manual Rev. F Introduction (1) Introduction Chapter Overview Topics covered in this chapter: • Instrument Overview, page • Humphrey Matrix User Manual, page • System Hardware, page • External Device Equipment, page • Instrument Installation, page Page Specifications Right Eye Humphrey Matrix N - 30 FDT Tests x degree FDT patterns (25 Hz, cycles/degree) Horizontal axis offset +/- 1 degree Vertical axis offset +/- 3 degrees (~1 degree square stationary central fixation target) Humphrey Matrix User Manual Rev.  · Zeiss Humphrey Field Analyzer User Manual. Zeiss Humphrey Field Analyzer Parts * Using DICOM, or you can export JPEG or PDF files via the USB port to a PC or EHR. Zeiss Humphrey Field Analyzer 3 Manual ** Trial lenses are required beyond +/-3 diopters for the Humphrey Matrix and beyond +/-7 diopters for the Humphrey FDT.

Humphrey Matrix Stimulus Frequency doubled sinusoidal gratings Fixation Control Video eye monitoring Heijl-Krakau fixation method Alternative fixation targets Area of Field Tested Threshold - 30 degrees and macula Screening - 30 degrees Test Library Threshold Screening FDT Full Threshold N FDT Supra-threshold. Humphrey Matrix Visual Field Instrument 5 Rev. D 08/21/06 PN FREQUENCY DOUBLING TECHNOLOGY (FDT) OVERVIEW FDT isolates a subset of low redundancy, retinal ganglion cell mechanisms in the magnocellular (M-cell) pathway. These M-cells have large diameter fibers and comprise only 3% to 5% of all retinal ganglion cells. Page Specifications Right Eye Humphrey Matrix N 2 (55 pts.) and (69 pts) FDT Tests 5x5 degree FDT patterns (18 Hz, cycles/degree) Horizontal axis offset +/- 1 degree Vertical axis offset +/- 3 degrees (~1 degree square stationary central fixation target) Humphrey Matrix User Manual Rev.

The N tests of the original FDT perimeter are duplicated in the Humphrey Matrix perimeter,. using the same testing strategy and normative database as the. Zeiss Matrix FDT Perimeter Frequency Doubling · Humphrey FDT Perimeter Acuitus Auto refractor Keratometer Manual English Edition · ARK to. Like the Humphrey® FDT® Perimeter, the Matrix doubles as an in-office Includes keyboard and printed manual 6 month warranty (parts and labor in our.