ALADDIN - User manual Rev. 19 EN of 10/07/2019
Figure 52
The final result of the Post-Op calculation is shown in Figure 52 with the suggested lenses highlighted in
yellow in each table.
11.14.5 Barrett Calculator
Barrett Calculator is an optional module: ask your distributor for details.
The Barrett Calculator integrates the Barrett IOL Calculator v1.05. The calculation methods are the
following:
Universal Formula II: Barrett Universal II Formula v1.05, for alle yes regardless of axial length
Toric Calculator: Barrett Toric Calculator v1.05, for correction of pre-existing corneal astigmatism
with Toric IOLs
True K: Barrett True K Formula v1.05, for eyes with prior myopic or hyperopic LASIK/PRK/RK
True K Toric: Barrett True-K Toric Calculator v1.05, for eyes with prior myopic or hyperopic
LASIK/PRK/RK and corneal astigmatism
Rx Formula: Barrett Rx Formula v1.05, for IOL exchange and piggy back IOLs based on refraction after
cataract surgery
All the formulas are based on the Barrett Universal II Formula.
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