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11. Examination Modes
LDR-7800 system provides various examination modes in order to satisfy complicated
optometry needs. The examination modes may seem to be complicated at first. But
once get used to using them, examination procedure can be optimized effectively and
efficiently by memorizing different set of data, such as RK and LM measurement, in
each mode and switching among memorized data with one touch of button for
comparing those patient data. There are six different modes available on LDR-7800.
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EMPTY mode: This mode is the system default dummy mode where unclassified
measurement may be memorized. But the data memorized in this mode are not
permanent. Once the examination mode is switched to another, the data will be
copied to new mode and disappear completely. You can configure the system
to start from EMPTY mode whenever you reset by pressing the [CLEAR] button
by setting the system option “Startup Mode” to EMPTY. See the chapter 8
“Configuring the System” for more information.
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UA mode: This mode is provided to support checking and memorizing the
unaided visual acuity of patient. To enter this mode, press the [UA] button.
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LM mode: This mode is provided to support loading and memorizing
lensometry data. If there is no lensometry data loaded, pressing the [LM] button
will make the system switched to LM mode and then automatically load the
latest lensometry measurement transferred from LM, auto lensmeter. Otherwise
it just makes the system switched to LM mode.
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RK mode: This mode is provided to support loading and memorizing
ref/keratometry data. If there is no ref/keratometry data loaded, pressing the
[RK] button will make the system switched to RK mode and then automatically
loads the latest ref/keratometry measurement transferred from RK, auto
ref/keratometer. Otherwise it just switches the system to RK mode.
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SUBJ mode: This mode is provided to support subjective refraction and
memorizing subjective data that may be the perfect correction data of patient.