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Comparison of anterior chamber depth measurements of Nidek AL-Scan and SIRIUS Scheimpflug camera system

Poster Details

First Author: B.Celik TURKEY

Co Author(s):    U. Celik   M. Taskapili                 

Abstract Details


To compare anterior chamber depth (ACD) measurements between the Nidek AL-Scan and the Sirius Scheimpflug camera system.


Cornea and Refractive Surgery Department


Twenty-four individual patient eyes with normal ocular examination findings were analyzed. Paired two-tailed t-test was used to compare devices.


Anterior chamber depth measurements for Nidek AL-Scan and Sirius Scheimpflug camera system were 3.43 ±0.29 (between 2.81 to 4.11) and 3.50 ±0.25 (between 2.85 to 4.21), respectively. Comparing the two instruments using paired samples t-test, a statistically significant difference was found between the measurements obtained for ACD (P = 0.001). The Sirius Scheimpflug System measured longer ACD values than the Nidek AL-Scan.


Our study showed that the difference in ACD between the Nidek AL-Scan and the Sirius Scheimpflug camera system was statistically significant. This result has to be considered in surgical interventions related to ACD.

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