1. Aberration-Free Akreos MI60 Versus Spherical Clariflex and Aspherical Tecnis Z9002
Eye clinic of the 3rd Faculty of Medicine, Prague, Czech Republic
Deli Siveková M.D., Magdalena Vokrojová M.D.,
Lucia Wágnerová M.D., Prof. Pavel Kuchynka, CSc.
The authors have no financial interest in the presentation material

2. Prospective nonrandomized, non-comparative single center study.
Purpose
To compare visual functions after cataract surgery with implantation of different types of IOL.
Prospective nonrandomized, non-comparative single center study.

3. Examination Preoperatively: - UCVA - BCVA - Wavefront analysis
Postoperatively:- UCVA
- Contrast sensitivity

4. Methods 65 eyes of 40 patients 24 (60%) women, 16 (40%) men
Mean age: 71,6 (64-84) years
Except for cataract, all patients were in healthy ocular condition
Surgery: standard operation technique
temporal approach
incision: 2,6mm
Infinity Vision system (Alcon)
topical anesthesia

5. Materials and methods
In all patients there was a wavefront analysis and contrast sensitivity.
- wavefront - analysis was performed monocularly with Wavescan (VISX, AMO) 3 months postoperatively.
- contrast sensitivity (CSV-1000, VectorVision) was measured monocularly with the best distance correction 3 months postoperatively under photopic light conditions (85 cd/m2).

6. 3 groups of IOLs Group A Group B Group C (Bausch&Lomb) (AMO)
Akreos AO MI60®
(Bausch&Lomb)
Clariflex®
(AMO)
Tecnis Z9002®

7. Structure Optics Material Refractive index A-constant
Akreos AO MI60®
Clariflex®
Tecnis Z9002®
Structure
Single piece, foldable,
360° posterior ridge
3-pieces, foldable, UV - blocking filter
Optics
Aspheric aberration-free optics
Biconvex optic
diameter 6,0 mm
Biconvex optic diameter 6,0 mm
Material
hydrofilic acrylate
polymethyl -
diphenylsiloxane
polydimethyl - diphenylsiloxane
Refractive index
1,45
1,46
A-constant
118,4
118,0

8. Results (n=65) UCVA BCVA Akreos AO MI60® Clariflex® Tecnis Z9002®
0,64 (0,5 – 1,0)
0,93 (0,63 - 1,0)
0,94 (0,63 - 1,0)
BCVA
0,95 (0,63 – 1,0)
0,97 (0,8 - 1,0)
0,98 (0,8 - 1,0)

9. Results (n=65) RMS error (Z 5,0mm) SA Akreos AO MI60® Clariflex®
Tecnis Z9002®
RMS error
(Z 5,0mm)
0,22 ±0,05 SD
0,19 ±0,09 SD
0,15 ±0,05 SD SA
0,11 ±0,06 SD
0,17 ±0,06 SD
-0,02 ±0,05 SD

10. Comparison
p<0,0001

11. Contrast sensitivity Akreos AO MI60® Tecnis Z9002® Clariflex®
p>0,05
p<0,0001
p<0,0001
Akreos AO MI60®
Tecnis Z9002®
Clariflex®

12. Conclusion
We have found statistically significant difference in postoperative measured HOA and spherical aberration between our groups.
Results of the examination of contrast sensitivity show that aspheric and aberration free intraocular lenses are significantly better than spherical lenses. These results between aspherical IOL and aberration free IOL was not found statistically significant.
We did not find any statistically significant difference in our results of postoperative BCVA.