PMID- 33577700 OWN - NLM STAT- MEDLINE DCOM- 20210818 LR - 20210818 IS - 1938-2391 (Electronic) IS - 1081-597X (Linking) VI - 37 IP - 2 DP - 2021 Feb 1 TI - Agreement Between Angle-to-Angle Distance and Aqueous Depth Obtained With Two Different Optical Coherence Tomographers and a Scheimpflug Camera. PG - 133-140 LID - 10.3928/1081597X-20201013-01 [doi] AB - PURPOSE: To compare angle-to-angle (ATA) distance and aqueous depth (AQD) readings produced by two different optical coherence tomography (OCT) devices and a Scheimpflug camera. METHODS: ATA distance and AQD were measured in 60 eyes using the Visante time-domain OCT (TD-OCT) (Carl Zeiss Meditec AG), the Anterion swept-source OCT (SS-OCT) (Heidelberg Engineering GmbH), and the Pentacam HR Scheimpflug camera (Oculus Optikgerate GmbH). Moreover, ATA distance was measured along the horizontal and vertical meridians. Bland-Altman analysis was used to assess the agreement between devices. RESULTS: All three devices did not yield similar horizontal ATA distance: 11.96 +/- 0.47 mm (TD-OCT), 11.96 +/- 0.42 mm (SS-OCT), and 11.05 +/- 0.52 mm (Pentacam). More specifically, the Pentacam yielded significantly smaller values (approximately 0.9 mm, P < .001). Mean vertical ATA distance was 12.61 +/- 0.65 and 12 +/- 0.65 mm for the TD-OCT and SS-OCT, respectively (P = .983). Vertical ATA distance was significantly larger than horizontal ATA distance for both OCT devices (approximately 0.6 mm, P < .001). The lowest mean difference was found between both OCT devices (0.0068 and -0.0415 mm, for horizontal and vertical meridians, respectively) and the highest between the Pentacam and the two OCT devices (approximately 0.9 mm). As for AQD, inter-device mean values were also statistically significant: 2.89 +/- 0.48, 2.82 +/- 0.49, and 2.79 +/- 0.50 mm, for the TD-OCT, SS-OCT, and Pentacam, respectively (P < .001). Mean differences were similar for the TD-OCT versus SS-OCT and SS-OCT versus Pentacam (approximately 0.02 mm), and larger between the TD-OCT and Pentacam (approximately 0.05 mm). CONCLUSIONS: The results show that the TD-OCT and SS-OCT are interchangeable instruments for ATA distance measurement but the Pentacam is not with either of the two OCT devices. A clinical criterion should assess whether these three devices could be used interchangeably for AQD measurement. [J Refract Surg. 2021;37(2):133-140.]. CI - Copyright 2021, SLACK Incorporated. FAU - Tana-Rivero, Pedro AU - Tana-Rivero P FAU - Rodriguez-Carrillo, Maria Dolores AU - Rodriguez-Carrillo MD FAU - Ruiz-Santos, Maria AU - Ruiz-Santos M FAU - Garcia-Tomas, Berta AU - Garcia-Tomas B FAU - Montes-Mico, Robert AU - Montes-Mico R LA - eng PT - Journal Article PL - United States TA - J Refract Surg JT - Journal of refractive surgery (Thorofare, N.J. : 1995) JID - 9505927 SB - IM MH - Humans MH - Reproducibility of Results MH - *Tomography, Optical Coherence EDAT- 2021/02/13 06:00 MHDA- 2021/08/19 06:00 CRDT- 2021/02/12 17:14 PHST- 2020/05/26 00:00 [received] PHST- 2020/10/08 00:00 [accepted] PHST- 2021/02/12 17:14 [entrez] PHST- 2021/02/13 06:00 [pubmed] PHST- 2021/08/19 06:00 [medline] AID - 10.3928/1081597X-20201013-01 [doi] PST - ppublish SO - J Refract Surg. 2021 Feb 1;37(2):133-140. doi: 10.3928/1081597X-20201013-01.