J Korean Ophthalmol Soc > Volume 59(7); 2018 > Article
Journal of the Korean Ophthalmological Society 2018;59(7):613-621.
DOI: https://doi.org/10.3341/jkos.2018.59.7.613    Published online July 15, 2018.
Comparison of Anterior Segment Measurements between Scheimpflug Camera and New Module of Optical Coherence Tomography.
Jae Min Kim, Min Seok Kang, Kyung Hyun Jin
Department of Ophthalmology, Kyung Hee University Hospital, Kyung Hee University School of Medicine, Seoul, Korea. khjinmd@khmc.or.kr
샤임플러그 사진기와 빛간섭단층촬영계의 새로운 모듈을 이용한 전안부 계측치 비교
경희대학교 의학전문대학원 경희대학교병원 안과학교실
Correspondence:  Kyung Hyun Jin,
Email: khjinmd@khmc.or.kr
Received: 15 March 2018   • Revised: 23 April 2018   • Accepted: 26 June 2018
We compared the anterior segment measurements using a Scheimpflug camera (Pentacam® [Oculus Inc., Wetzlar, Germany]) and a new anterior segment module of optical coherence tomography (Cirrus HD-OCT 5000® [Carl Zeiss Meditec, Dublin, CA, USA]). METHODS: Anterior segment measurements were evaluated in 47 eyes of 26 patients who visited for the purpose of cataract surgery. Measurements of the central corneal thickness (CCT), anterior chamber depth (ACD), anterior chamber angle (ACA; nasal and temporal side), and angle to angle distance (ATA) were compared between the Pentacam® and the new anterior segment module of the Cirrus HD-OCT 5000®. RESULTS: The mean CCTs measured by the Pentacam® and the new anterior segment module of the Cirrus HD-OCT 5000® were 561.68 ± 31.35 µm and 559.04 ± 36.43 µm, respectively. There was no statistically significant difference (p = 0.387) and high correlations in the results using the two methods (r = 0.824, p < 0.001). The mean ACD measurements using the Pentacam® and Cirrus HD-OCT 5000® were 2.70 ± 0.44 mm and 2.68 ± 0.42 mm, respectively. The measurements were strongly correlated (r = 0.981, p < 0.001) without a statistically significant difference (p = 0.091). The measurements of ACA (nasal and temporal side) and ATA did not differ significantly different between the two methods (p = 0.109, p = 0.153, p = 0.322, respectively). High correlations were observed between the two methods (r = 0.944, r = 0.951, r = 0.955, respectively; p < 0.001 in all groups). CONCLUSIONS: There was no significant difference between the CCT, ACD, ACA, and ATA measured by the Pentacam® and the new anterior segment module of the Cirrus HD-OCT 5000® in adult patients. However, there was a low degree of agreement for the CCT. The measurements of ACD, ACA, and ATA can therefore be considered interchangeable when used clinically.
Key Words: Anterior chamber angle;Anterior chamber depth;Central corneal thickness;Cirrus HD-OCT®;Pentacam®

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