IOL Intraocular Lens Power Calculations Effective Lens Position ELPo Eye Cataract Surgery Eyes
2008-09-13
IOL Intraocular Lens Calculations
Setting Up Your Spreadsheet for Calculating Average ELPo. Effective Lens Position
Calculate your average ELPo, for use with intraocular lens power calculation programs, by starting with an average of at least 10 cases, ideally 20 to 30. You can then easily set up your spreadsheet, using the example below, that will make the calculations automatically.
Case #
Patient
ID
Op
Eye
IOL
Power
Post-op
K1
Post-op
K2
Post-op
Sph Eq
Axial
Length
Bag
ELPo
Sulcus
ELPo
1
9695
OD
+26.50
44.00
42.12
-0.25
22.50
5.506
- - -
2
6789
OD
+23.50
45.75
47.75
-0.63
22.05
5.419
- - -
3
8298
OD
+17.00
42.75
44.87
-0.88
24.82
5.448
- - -
4
3045
OD
+20.00
42.00
42.75
-0.13
23.80
- - -
4.977
5
2044
OS
+20.00
41.50
42.75
+0.00
24.33
5.499
- - -
6
6644
OD
+24.00
44.62
44.87
-0.13
22.40
5.373
- - -
7
1081
OD
+21.50
43.37
43.87
-0.50
23.43
5.227
- - -
8
1109
OS
+20.50
45.13
45.75
-0.38
22.85
- - -
4.937
9
5578
OD
+18.00
42.50
42.88
-0.75
24.72
- - -
4.968
10
7826
OD
+21.50
43.88
45.50
-0.25
22.97
- -
4.892
11
2635
OS
+27.50
46.25
46.88
-0.50
21.04
- - -
5.002
12
9534
OS
+26.00
46.12
44.00
-0.13
21.92
5.464
- - -
13
9431
OS
+29.00
42.12
44.75
+0.50
21.60
5.459
- - -
14
8569
OD
+13.50
42.00
43.00
-0.50
26.34
5.519
- - -
15
1162
OS
+14.00
41.88
42.62
-0.75
26.41
5.514
- - -
16
2227
OD
+18.50
42.88
43.75
+0.25
23.99
- - -
5.103
17
1979
OS
+22.00
41.50
41.75
+0.13
23.87
5.366
- - -
18
0821
OD
+21.50
42.62
40.75
+0.25
23.99
5.477
- - -
19
9431
OD
+21.00
44.63
44.25
+0.00
23.24
5.550
- - -
20
6356
OS
16.00
45.25
46.37
-0.50
23.95
- - -
4.993
Avg =
5.448
4.982
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2008-09-13
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