Theoretical and practical considerations on detection performance of time domain, Fourier domain, and swept source optical coherence tomography

2007 ◽  
Vol 12 (4) ◽  
pp. 044007 ◽  
Author(s):  
Bin Liu ◽  
Mark E. Brezinski
Keyword(s):  
Optical Coherence Tomography ◽  
Time Domain ◽  
Detection Performance ◽  
Fourier Domain ◽  
Optical Coherence ◽  
Swept Source

Optical Coherence Tomography in Vitreoretinal Interface Disorders

2018 ◽  
pp. 236-243
Keyword(s):  
Optical Coherence Tomography ◽  
Time Domain ◽  
Treatment Modalities ◽  
Optical Coherence ◽  
Vitreoretinal Interface ◽  
Swept Source ◽  
Appearance Time ◽  
Swept Source Oct ◽  
New Treatment ◽  
Pathologic Processes

Optical coherence tomography (OCT), which is in use for about 20 years, facilitated the evaluation of the vitreoretinal interface, improved our understanding of its pathologic processes, and paved the way to new treatment approaches. By order of appearance, time-domain, spectral-domain, and swept-source OCT technologies redefined vitreoretinal interface disorders and their treatment modalities.

scholarly journals Comparison of Fourier-Domain and Time-Domain Optical Coherence Tomography in the Measurement of Thinnest Corneal Thickness in Keratoconus

2015 ◽  
Vol 2015 ◽  
pp. 1-7 ◽  
Author(s):  
Chunxiao Wang ◽  
Xueying Xia ◽  
Bishan Tian ◽  
Shiyou Zhou
Keyword(s):  
Optical Coherence Tomography ◽  
Time Domain ◽  
Pearson Correlation ◽  
Corneal Thickness ◽  
Intraclass Correlation ◽  
Fourier Domain ◽  
Optical Coherence ◽  
Highly Correlated ◽  
Time Domain Oct

Objective. To compare fourier-domain optical coherence tomography (FD-OCT) and time-domain OCT (TD-OCT) in the determination of thinnest corneal thickness (TCT).Methods. This study included 55 keratoconus patients and 50 healthy volunteers. The RTVue-OCT (FD-OCT) and Visante-OCT (TD-OCT) were used for the measurement of the TCT. Three consecutive scans were performed. The comparison and agreement between the two modalities were analyzed by pairedt-test, the Pearson correlation, intraclass correlation coefficient (ICC), and Bland-Altman plots. intraobserver repeatability was analyzed by the intraobserver within-subject standard deviation (S(w)), coefficient of variation (CV(w)), and ICC.Results. The TCT value of normal corneas was higher by RTVue-OCT (530.4 ± 19.7 μm) than Visante-OCT (521.5 ± 18.3 μm) (p<0.001). For keratoconus eyes, the TCT was 425.0 ± 58.2 μm and 424.4 ± 55.7 μm (difference being 0.6 ± 10.2 μm,p=0.604). Strong correlation (r= 0.938∼0.985) (ICC = 0.915–0.984) was observed between the two OCTs, and each OCT exhibited excellent repeatability in determining the TCT in all subjects (ICC = 0.984–0.994).Conclusions. The values of TCT obtained from RTVue-OCT and Visante-OCT were highly correlated; however, the two values were different. Both OCT instruments exhibited good intraobserver reliability. The existence of systematic differences suggested that the two instruments cannot be used interchangeably.

Comparison of Fourier-Domain and Time-Domain Optical Coherence Tomography in the Detection of Band Atrophy of the Optic Nerve

2009 ◽  
Vol 147 (1) ◽  
pp. 56-63.e2 ◽  
Author(s):  
Luciana V.F. Costa-Cunha ◽  
Leonardo P. Cunha ◽  
Roberto F.S. Malta ◽  
Mário L.R. Monteiro
Keyword(s):  
Optical Coherence Tomography ◽  
Optic Nerve ◽  
Time Domain ◽  
Fourier Domain ◽  
Optical Coherence

Fourier domain versus time domain optical coherence tomography of the prostate nerves

2011 ◽  
Author(s):  
Shahab Chitchian ◽  
Gwen Lagoda ◽  
Arthur Burnett ◽  
Nathaniel M. Fried
Keyword(s):  
Optical Coherence Tomography ◽  
Time Domain ◽  
Domain Versus ◽  
Fourier Domain ◽  
Optical Coherence
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