J Korean Ophthalmol Soc > Volume 54(1); 2013 > Article
Journal of the Korean Ophthalmological Society 2013;54(1):97-103.
DOI: https://doi.org/10.3341/jkos.2013.54.1.97    Published online January 15, 2013.
Comparison of the Efficacy between Time and Spectral Domain Optical Coherence Tomography for the Identification of Vitreomacular Interface.
Ja Young You, Hyung Chan Kim, Jun Woong Moon
1Department of Ophthalmology, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea.
2Gongduck Seoul Eye Clinic, Seoul, Korea. imoon58@netsgo.com
정상안의 유리체황반경계면 평가에 대한 시간영역과 스펙트럼영역 빛간섭단층촬영의 효용성 비교
유자영1⋅김형찬1⋅문준웅2
Department of Ophthalmology, Konkuk University Medical Center, Konkuk University School of Medicine1, Seoul, Korea
Gongduck Seoul Eye Clinic2, Seoul, Korea
Abstract
PURPOSE
To compare the efficacy of time domain (TD) and spectral domain (SD) optical coherence tomography (OCT) in determining vitreomacular interface (VMI). METHODS: VMIs were evaluated with TD and SD OCT images crossing the fovea horizontally in 69 eyes (mean age 52.7 +/- 15.4 years) and were classified as follows: (1) no vitreomacular separation (VMS), (2) incomplete VMS, and (3) unknown. RESULTS: In TD OCT, no VMS was observed in 2 eyes (2.9%), incomplete VMS in 2 eyes (2.9%), and unknown in 65 eyes (94.2%). In SD OCT, no VMS was observed in 31 eyes (45.0%), incomplete VMS in 13 eyes (18.8%), and unknown in 25 eyes (36.2%). In 31 eyes with no VMS on SD OCT, 29 eyes (93.5%) presented unknown on TD OCT (p<0.0001). In 13 eyes with incomplete VMS on SD OCT, 2 eyes (15.4%) showed incomplete VMS and 11 eyes (84.6%) showed unknown on TD OCT (p<0.0001). TD OCT was also non-informative in all 25 eyes with unknown on SD OCT. CONCLUSIONS: SD OCT allows better visualization of VMI than TD OCT, especially in patients with no VMS.
Key Words: Spectral domain optical coherence tomography;Time domain optical coherence tomography;Vitreomacular interface;Vitreomacular separation


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