IOL Calculator for Eyes with Prior Myopic LASIK/PRK
(Your data will not be saved. Please print a copy for your record.)
Please enter all data available and press "Calculate"
Doctor Name
Patient Name
Patient ID
Eye
IOL Model
Target Ref (D)
Pre-LASIK/PRK Data:
Refraction*
Sph(D)
Cyl(D)*
Vertex (If empty, 12.5 mm is used)
Keratometry
K1(D)
K2(D)
Post-LASIK/PRK Data:
Refraction*§
Sph(D)
Cyl(D)*
Vertex(If empty, 12.5 mm will be used)
Topography
EyeSys
EffRP
Tomey
ACCP
Nidek
#
ACP/APP
Galilei
TCP2
Atlas Zone value
Atlas 9000
4mm zone
Pentacam
TNP_Apex_4.0 mm Zone
Atlas Ring Values
0mm
1mm
2mm
3mm
OCT (RTVue or Avanti XR)
Net Corneal Power
Posterior Corneal Power
Central Corneal Thickness
Optical/Ultrasound Biometric Data:
Ks
K1(D)
K2(D)
Device Keratometric
Index (n)
1.3375
1.332
Other
AL(mm)
ACD(mm)
Lens Thick (mm)
WTW (mm)
Lens Const
ants**
A-const(SRK/T)
SF(Holladay1)
Haigis a0 (If empty, converted value is used)
Haigis a1 (If empty, 0.4 is used)
Haigis a2 (If empty, 0.1 is used)
*If entering "Sph(D)", you must enter a value for "Cyl(D)", even if it is zero.
§Most recent stable refraction prior to development of a cataract.
#
Magellan ACP or OPD-Scan III APP 3-mm manual value (personal communication Stephen D. Klyce, PhD).
**Enter any constants available;
others will be calculated from those entered. If ultrasonic AL is entered, be sure to use your ultrasound lens constants.
It is preferable to use optimized a0, a1, and a2 Haigis constants.