Topcon KB-50 - Auxiliary Lens;PD Display

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COMPONENT NAMES AND FUNCTIONS
AUXILIARY LENS/PD DISPLAY
(1) PD display
Displays the PD value. When the value is highlighted by pressing the [PD] switch, PD can be oper-
ated by the dial.
(2) Auxiliary lens display
Displays the status of the auxiliary lens set in the CV-5000, the cross cylinder lens being used in the
astigmatism test and the TOPCON cross lens. In the open status, you can check the astigmatic
axis for a lens with axis.
Status/lens Image Status/lens Image Status/lens Image
Open
Close
(Occluding
plate)
Astigmatic axis
Polarization 45°
Polarization
135°
Pinhole
Prism 6∆ UP
(Right eye)
Prism 10∆ IN
(Left eye)
Near-point cross
cylinder
Maddox hori-
zontal
(Right eye)
Maddox vertical
(Left eye)
Retino-1.5
Red filter
(Right eye)
Green filter
(Left eye)
Retino-2.0
TOPCON cross:
Axis test
TOPCON cross:
Refractive
power test
Jackson cross:
Axis test No. 1
Jackson cross:
Axis test No. 2
Jackson cross:
Refractive
power test No. 1
Jackson cross:
Refractive
power test No. 2