Purpose. Ophthalmic parameters can be measured with different techniques and devices. Our aim was to measure anterior segment parameters using 2 optical devices and to compare the data to ultrasonic technique. Methods. Axial length (AL) was measured with IOLMaster; anterior chamber depth (ACD) was determined using IOLMaster, Visante® optical coherence tomography (OCT), and Pentacam® HR; and central corneal thickness (CCT) were measured with Pentacam® HR and with ultrasound. Results. In 45 eyes of 45 patients (age 62.73±15.31), the AL was 23.35±1.49 mm. The CCT was 541.7±39.9 μm with Visante OCT, 549.7±39.2 μm with Pentacam® HR, and 534.3±41.3 μm with ultrasonic device. The ACD was 3.0±0.42 mm with IOLMaster, 3.26±0.95 mm with Visante OCT, and 3.06±0.41 mm with Pentacam® HR. In case of CCT measurements, data obtained with Pentacam HR correlated with the results of ultrasonic measurements (r=0.89; p<0.001) and Visante OCT measurements (r=0.88; p<0.001). Regarding ACD results, a significant correlation was observed between Pentacam HR and IOLMaster (r=0.95; p<0.0001) but they did not significantly correlate to Visante OCT data (r=0.23; p=0.12). Correlation was significant between AL and ACD measured with IOLMaster (r=0.67; p<0.001). Conclusions. The CCT and ACD data show strong correlation between different devices.
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