Welch-allyn Light Sources - User Manual Manual de usuario descargar pdf (Pagina 54)

50 Strumento per la misurazione del campo visivo Humphrey Matrix

Rev. A 1/6/04 Cod. 112738-1IT

Humphrey Matrix Macula (16 pts.) FDT Test and

Humphrey Matrix 10-2 (44 pts.) FDT Test

2x2 degree FDT pattern (12 Hz, 0.5 cycles/degree)

No horizontal or vertical axis offset in central 4 degrees,

+/- 1 degree axis offsets outside central 4 degrees

(~1 degree square stationary central fixation target)

Right Eye

Key

HFAII Macula (16 pts)

HFAII 10-2 (68 pts)

FDT Macula (16 pts)

FDT 10-2 (44 pts)

Blinds pot t a rge t

(~ 1 degree diameter)

Self-alignment

"corners"

(4 places)

1 2 ... 49 50 51 52 53 54 55 56 57 58 59 ... 74 75

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Welch-allyn Light Sources - User Manual Manual de usuario Pagina 54