Tomey AL-2000, Operator'S Manual

Page: 77 / 119

AL-2000 Biometer & Pachymeter
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7 7..4 4 U Uttiilliittyy S Se ettu up p ffo orr P Pa acch hyym me ettrryy
b b)) D Diissp plla ayyiin ng g ccrro ossss--sse eccttiio on na all vviie ew w o off cco orrn ne ea a
• • A Att lle ea asstt tth he e cce en nttrra all cco orrn ne ea all tth hiicck kn ne essss a an nd d tth he e 8 8 d da atta a p po oiin nttss ssu urr--
rro ou un nd diin ng g ((a ad djja acce en ntt tto o)) tth he e cce en ntte err a arre e n ne ecce essssa arryy iin n o orrd de err tto o d diissp plla ayy
a a ccrro ossss--sse eccttiio on na all vviie ew w o off tth he e cco orrn ne ea a..
• • T Th he e ccrro ossss--sse eccttiio on na all vviie ew w iiss n no ott sscca alle ed d.. T Th he e a avve erra ag ge e K K vva allu ue e iiss u usse ed d
[[((K K1 1 + + K K2 2))//2 2]],, n no ott tth he e iin nd diivviid du ua all K K1 1 a an nd d K K2 2 vva allu ue ess..
To display a cross-sectional corneal view for
stored pachymetry data:
1. Touch the P Pa attiie en ntt d da atta a key (1) on the
pachymetry Utility screen to display the
Patient Data list (fig. 2).
2. Touch the a
arrrro ow w keys (2) to select the
patient whose pachymetry data you want
to display. If necessary, change the page
using the F
Fo orrw wa arrd d key (3) or B Ba acck k key (4).
If you wish to return to the pachymetry
Utility screen at any time, touch the E
Ex xiitt
key (5).
3. Touch the S Se eccttiio on n key (6) to display the
cross-section selection screen for the
selected cornea (fig. 3).
4. Select the K
K1 1 key (7) and enter the K1
value using the number keys (8). Then
select the K
K2 2 key (7) and enter the K2 val-
ues. (Either the flat K or the steep K may
be entered first. K values may be entered
in either diopters or millimeters. )
In the event of an erroneous entry, press
the D
De elle ette e key (9).
5. Register the entered values by touching
the R Re ettu urrn n key (10).
6. Touch the M
Me em mo orryy key (11) to store the
K1 and K2 values on the memory card.
7. Touch the arrow keys (12) to determine
the location of the cross-sectional view.
8. Touch the R Ro otta attiio on n key (12, center) to
rotate the meridian (13) of the cross-sec-
tion viewed by 45 degrees counterclock-
wise.
9. Touch the V
Viie ew w key (14) to display the
cross-sectional diagram of the cornea.
10. To return to the cross-section selection
screen (fig. 3), touch the E Ex xiitt key (15).
11. To return to the Patient Data list (fig. 2),
touch the E Ex xiitt key (16) on the cross-sec-
tion selection window (fig. 3).