J Korean Ophthalmol Soc.  2020 Aug;61(8):905-910. 10.3341/jkos.2020.61.8.905.

Comparison of Clinical Outcomes between Swept-source Optical Coherence Tomography Biometer and Partial Coherence Interferometer

• Jang M
• Lee HJ
• Lee SY
• Kim JY
• Ma DJ
• Jeong JH

• KMID: 2505310
• DOI: http://doi.org/10.3341/jkos.2020.61.8.905

Abstract

Purpose
To compare the ocular biometry and postoperative refractive outcomes using two devices; the swept-source opticalcoherence tomography biometer (Argos) versus the partial coherence interferometer (IOL Master^®500, Carl Zeiss Meditec AG,Jena, Germany).
Methods
The axial length (AL), anterior chamber depth (ACD) and keratometry (K) in 221 cataract eyes were measured withArgos and IOL Master^®500. One month after surgery, refraction of the respective eyes was conducted and the mean absoluteerror (MAE) calculated for analysis of the refractive outcomes.
Results
Measurement was not possible in 13 eyes with the IOL Master^®500 but was possible with Argos. Measurement was notpossible in one eye with either biometer. Agreement in measured ocular biometry between the two devices by intraclass correlationcoefficient (ICC) and Bland-Altman plot (ICC AXL = 0.999, ACD = 0.975, K = 0.978) was excellent. The AL and ACD measuredwith Argos were significantly longer than measured with IOL Master^®500 (p= 0.005, p= 0.000). The MAE showed no significantdifference between the Argos and IOL Master^®500 (p= 0.087).
Conclusions
The measurement of ocular biometry was better in Argos than in IOL Master^®500. The accuracy of the intraocularlens power calculations of Argos was clinically acceptable and compatible with a conventional device.

Keyword

Argos; IOL Master^® 500; Ocular biometry; Refractive outcomes; Swept-source optical coherence tomography