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Accutome A-Scan Plus User’s Guide
Entering an AXL Value
You may not be satisfied with the average measurement
of any of the five acquired measurements or you may
want to enter the axial length from a previous
measurement. The Accutome A-Scan Plus allows you to
manually enter an AXL value.
To enter an AXL value:
1. Within the Calculate IOL Screen, rotate the knob to
select the "AXL" field, located in the top right side
of the screen. Selection is indicated by a solid
black border.
2. Press the knob or the √ button, to activate the
field, indicated by the dashed border.
3. Within the AXL field, enter the new AXL value.
4. Press the knob or the √ button, to save the
entered AXL value and to deactivate the field.
5. The A-Scan will indicate that the AXL value is
entered with the text "[entered]" below the AXL
field.
Entering the K1, K2 Values
The keratometer index of refraction, used to convert
corneal radius to diopter power is not the same for all
keratometers. In North America, most units have an
index of refraction of 1.3375. European keratometers
may have an index of refraction of 1.3315. The factory
default is 1.3375.
The K Index value is only used when entering
keratometer readings in diopters. K readings can be
entered on the Calculate IOL screen as well as the
Personalize IOL screen. The K index associated with
diopter entries is not explicitly shown. When a
keratometer reading is entered in diopters the default K
index is copied from the setup screen. If the K index of
an entry is different than the Setup screen default K
Index, a * appears beside the entry. To change or view
the K index, change or reenter the diopter entry. The
Accutome A-Scan Plus will prompt you with the default
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