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Influence of the overall intraocular lens diameter on rotational stability

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Session Details

Session Title: Toric IOLs

Session Date/Time: Sunday 14/09/2014 | 16:30-18:30

Paper Time: 17:45

Venue: Capital Hall B

First Author: : A.Harrer AUSTRIA

Co Author(s): :    N. Hirnschall   S. Maedel   O. Findl        

Abstract Details


Purpose of the study was to evaluate the rotational stability of two intraocular lenses (IOLs) of similar design and material, but a difference of 1mm in overall length.


Hanusch Hospital, Vienna VIROS Institute


In this prospective study patients with age-related cataract were included. An IOL of 12mm overall diameter (ACR-6 = small diamter IOL) was compared to an IOL of 13mm overall diameter (IDEA 613 XC = large diamter IOL) both Croma-Pharma GmbH, Austria). Retroillumination photography were taken1 hour and 3 months after surgery with a high-resolution digital retroillumination imaging system.


In total, 60 patients were included in this study. Absolute rotation in the small and the large diameter groups was 4.35° (SD: 3.99°; range: 0.25° to 17.75°) and 3.01°(SD: 2.36°; range: 0.10° to 7.80°), respectively. The differences between the two IOLs were not found to be statistically significant. However, it was shown that in the small diameter IOL group, rotation of more than 10° occurred in some eyes, whereas this was not the case in the large diameter IOL group.


The effect of overall length appears to have little impact in early rotation after cataract surgery.

Financial Interest:


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