Tomey OA-2000 - Page 109

3-77 ■
c) Settings for various measurements
(Fig. 1)
[Optical] Axial Pachy / Kerato : Opens the setup screen for optical
measurement of axial length and corneal
thickness.
Kerato : Opens the setup screen for keratometer
measurement.
[Ultrasound] Axial : Opens the setup screen for ultrasound
measurement of axial length.
Pachy : Opens the setup screen for ultrasound
measurement of corneal thickness.
[Optical – Axial/Pachy]
(Fig. 1)
(1) SNR
Assigns a low reliability mark to data with an SNR smaller than the preset
value.
Input
range
Default
setting
Axial SNR : SNR of retina waveform
2～99
3
ACD SNR : SNR of waveform on the
front of crystal lens
2～99
3
LENS SNR : SNR of waveform on the
back of crystal lens
2～99
3
Pachy SNR : SNR of waveform on the
back of cornea
2～99
3
(7)
(1)
(2)
(3)
(4)
(5)
(6)