Anterior chamber angle imaging with optical coherence tomography.
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 360°. 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.
Department of Ophthalmology and Visual Sciences, Hong Kong Eye Hospital, The Chinese University of Hong Kong, Hong Kong, PR China. tlims00@hotmail.com
C K-S
CK
Leung
R N
RN
Weinreb
D000867:Anterior Chamber / Q000473:pathology*; D015812:Glaucoma, Angle-Closure / Q000175:diagnosis; D006801:Humans; D015203:Reproducibility of Results; D012590:Sclera / Q000473:pathology; D041623:Tomography, Optical Coherence / Q000295:instrumentation / Q000379:methods*; D014129:Trabecular Meshwork / Q000473:pathology
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