--------------------------------------------------------Auto Ref/Keratometer HRK-7000/7000A 61
Button: It is the button to decrease the intensity of Ref LED for one (1) level.
Button: It is the button to increase the intensity of Ref LED for one (1) level.
Measurement Mode Return: As pushing EXIT button, it is to finish Ret. Illum mode,
and to return to the ordinary measurement mode.
8.7.2.
Observation on Retro-Illum
①
Adjustment of brightness of LED to measure refractive power
-
In order to take a close look at Retro-Illumination image, change the intensity of
LED to measure refractive power by one (1) level using
button and button.
②
Observation on Retro-Illumination Image
-
Let LED to measure the refractive power to be at incidence to eye while
avoiding the part of opacity in crystalline lens by using the operation lever. It is
effective for observation on Retro-Illumination to let LED light be shed on part
around pupil.
NOTE
In order to protect the patient’s eyes, avoid examining the eyes over 30 seconds.
③
Stopping Image
-
After adjusting the focus of image by using the operation lever, stop the image
by pushing the measurement button. If the stopped screen is not satisfactory,
stop the image again after returning to the original screen by pushing EXIT
button.
④
Measuring Refractive Power and Stopping Image
Summary of Contents for HRK-7000
Page 1: ... Auto Ref Keratometer HRK 7000 7000A 1 User s Manual Auto Ref Keratometer HRK 7000 7000A ...
Page 43: ... Auto Ref Keratometer HRK 7000 7000A 43 Figure 22 Example of Print ...
Page 47: ... Auto Ref Keratometer HRK 7000 7000A 47 Figure 24 Example of Print ...
Page 53: ... Auto Ref Keratometer HRK 7000 7000A 53 Figure 26 Screen indicating KER P Mode ...
Page 74: ...74 Auto Ref Keratometer HRK 7000 7000A Figure 41 Display of VIRTUAL COMPARISON Mode ...