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Evaluation of phacoemulsification parameters in myopic eyes with high axial length and normal eyes

Poster Details

First Author: A.Altintas TURKEY

Co Author(s):    O. Beyazyildiz   G. Koklu   E. Beyazyildiz   S. Ozcaliskan     

Abstract Details


To compare phacoparameters in myopic eyes with high axial length and normal eyes undergoing cataract surgery.


Ulucanlar Eye Education and Research Hospital, Ankara, Turkey


A total of 80 eyes underwent phacoemulsification surgery using the CASE mode. Group 1 was consisted of 33 myopic eyes with axial length higher than 24 mm and Group 2 was consisted of 47 eyes with axial length between 22 mm and 24 mm. Clinical findings and phacoparameters, intraoperative and postoperative complications were evaluated. Descriptive statistics were generated for demographics, total phaco times (TPT), effective phaco times (EPT) and average phaco power percentages (APP). Kolmogorov-Smirnov tests, Two-Independent Samples tests and Independent-Samples t tests were used for statistical analysis.


The mean age of patients in Group 1 and Group 2 were 61.6ḟ8.2 and 65.1ḟ8.7 years, respectively. The difference between mean age of patients was not statistically significantly (p=0.76). The mean axial length of the eyes of patients was 24.6ḟ0.4 mm in Group 1 and 22.9ḟ0.6 mm in Group 2. No one had posterior capsular rupture, iris trauma due to unstable anterior chamber during phaco surgery. The mean TPT were 95.3ḟ63.8 sec and 85.5ḟ60.4 sec in Group 1 and Group 2, respectively (p=0.40). The mean EPT were 16.5ḟ11.7 sec and 16.2ḟ16.4 sec in Group 1 and Group 2, respectively (p=0.49).The mean APP were 16.0ḟ6.5 and 16.0ḟ5.0 in Group 1 and Group 2, respectively (p=0.98). Even all of the phacoparameters were higher in Group 1, the differences were not statistically significant.


Although patients with high axial length had higher TPT, EPT and APP, complications did not occur in any eyes with high axial length and unstable anterior chamber with the help of CASE mode. Micro pulse technology with CASE mode is safe and effective method even in eyes with high risk of complication due to high axial length.

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