■
3-40
The entered value is stored in the main unit, and is not cleared even when
the power is turned off.
d) Lens constants (A-constant/SF/ACD-constant/a0･a1･a2)
Enter various lends constants for IOL according to the formula. This instrument is
able to calculate up to 4 constants for 1 formula simultaneously. The formula (1)
corresponds to lenses (2) and (3), and the formula (4) corresponds to lenses (5)
and (6). There are 2 ways to enter the values. One is to enter them directly using
the keypad, and the other is by selecting them from the IOL data list.
● Entering using keypad
The lens constants a0, a1, and a2 in the Haigis optimized formula cannot be
entered directly using the keypad. Refer to “Entering through IOL data list” below.
1) Touch an input field (1) to activate it. The keypad (2) appears. Enter the data
and touch the “Enter” key to apply the data.
[Input range]
A-constant : 100.00 - 130.00
ACD-constant : 0.00 - + 10.00
SF : - 5.00 - + 10.00
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