Anterior segment imaging: Fourier-domain optical coherence tomography versus time-domain optical coherence tomography

Wylęgała, Edward; Teper, Sławomir; Nowińska, Anna; Milka, M; Dobrowolski, Dariusz

doi:10.1016/j.jcrs.2009.03.034

Cited by 89 publications

(72 citation statements)

References 17 publications

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“…47 After blunt eye trauma in eyes with opaque corneas due to edema or blood, AS-OCT can reveal unexpected lesions that are difficult to visualize with routine slitlamp examination, including angle closure, dislocation of the lens, or foreign body. 48 …”

Section: Traumamentioning

confidence: 99%

“…However, timedomain OCT shows all anterior segment structures in a single image, whereas Fourier-domain OCT provides high details but only of small components of the anterior segment. 48 Schlemm canal and the trabecular meshwork can be detected due to the higher resolution images of Fourier-domain OCT. 86 One major advantage of this OCT type is its ability to image the anterior as well as the posterior segments.…”

Section: New Developmentsmentioning

confidence: 99%

See 1 more Smart Citation

Value of optical coherence tomography for anterior segment surgery

Doors

Berendschot

Brabander

et al. 2010

Journal of Cataract and Refractive Surgery

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Section: Traumamentioning

confidence: 99%

Section: New Developmentsmentioning

confidence: 99%

Value of optical coherence tomography for anterior segment surgery

Doors

Berendschot

Brabander

et al. 2010

Journal of Cataract and Refractive Surgery

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“…5.1) does not adjust for refraction at the air-cornea and cornea-aqueous interfaces (dewarping), imaging should be performed in a direction perpendicular to the limbus to minimize the effect of image distortion. Wylêgała et al 21 compared RTVue FD-OCT and Visante OCT for measurement of TIA and AOD in 30 normal volunteers, and did not find any significant differences between the instruments. The measurement repeatability and reproducibility of RTVue FD-OCT and Cirrus HD-OCT has not been reported.…”

Section: Reliability Of Anterior Segment Oct For Measurement Of the Amentioning

confidence: 99%

Anterior chamber angle imaging with optical coherence tomography

Leung

Weinreb

2011

Eye

102

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The technology of optical coherence tomography (OCT) has evolved rapidly from time-domain to spectral-domain and swept-source OCT over the recent years. OCT has become an important tool for assessment of the anterior chamber angle and detection of angle closure. Improvement in image resolution and scan speed of OCT has facilitated a more detailed and comprehensive analysis of the anterior chamber angle. It is now possible to examine Schwalbe's line and Schlemm's canal along with the scleral spur. High-speed imaging allows evaluation of the angle in 3601. With three-dimensional reconstruction, visualization of the iris profiles and the angle configurations is enhanced. This article summarizes the development and application of OCT for anterior chamber angle measurement, detection of angle closure, and investigation of the pathophysiology of primary angle closure.

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“…Fourier-domain OCT and Visante OCT (time-domain) have been studied in assessing corneal and trabecular-iris angle disorders, central corneal thickness, trabecular-iris angle, and angle-opening distance (Pekmezci et al,2009;Wylegala et al, 2009). OCT devices with biomicroscopy provide images of the scleral spur, ciliary body, ciliary sulcus, anterior chamber depth, and even canal of Schlemm in some eyes.…”

Section: Oct In Anterior Segmentmentioning

confidence: 99%