A retinal full-field swept-source optical coherence tomography and flood imaging system with hardware adaptive optics

2021 ◽  
Author(s):  
Denise Valente ◽  
Kari V. Vienola ◽  
John S. Werner ◽  
Robert J. Zawadzki ◽  
Ravi S. Jonnal
Keyword(s):  
Optical Coherence Tomography ◽  
Adaptive Optics ◽  
Imaging System ◽  
Optical Coherence ◽  
Swept Source ◽  
Full Field

Feasibility and Clinical Utility of Ultra-Widefield–Navigated Swept-Source Optical Coherence Tomography Imaging

2021 ◽  
pp. 247412642199733
Author(s):  
Kyle D. Kovacs ◽  
M. Abdallah Mahrous ◽  
Luis Gonzalez ◽  
Benjamin E. Botsford ◽  
Tamara L. Lenis ◽  
...  
Keyword(s):  
Optical Coherence Tomography ◽  
Clinical Utility ◽  
Clinical Decision Making ◽  
Imaging System ◽  
Imaging Modality ◽  
Case Series ◽  
Subretinal Fluid ◽  
Optical Coherence ◽  
Swept Source ◽  
Oct Imaging

Purpose: This work aims to evaluate the clinical utility and feasibility of a novel scanning laser ophthalmoscope-based navigated ultra-widefield swept-source optical coherence tomography (UWF SS-OCT) imaging system. Methods: A retrospective, single-center, consecutive case series evaluated patients between September 2019 and October 2020 with UWF SS-OCT (modified Optos P200TxE, Optos PLC) as part of routine retinal care. The logistics of image acquisition, interpretability of images captured, nature of the peripheral abnormality, and clinical utility in management decisions were recorded. Results: Eighty-two eyes from 72 patients were included. Patients were aged 59.4 ± 17.1 years (range, 8-87 years). During imaging, 4.4 series of images were obtained in 4.1 minutes, with 86.4% of the image series deemed to be diagnostic of the peripheral pathology on blinded image review. The most common pathologic findings were chorioretinal scars (18 eyes). In 31 (38%) eyes, these images were meaningful in supporting clinical decision-making with definitive findings. Diagnoses imaged included retinal detachment combined with retinoschisis, retinal hole with overlying vitreous traction and subretinal fluid, vitreous inflammation overlying a peripheral scar, Coats disease, and peripheral retinal traction in sickle cell retinopathy. Conclusions: Navigated UWF SS-OCT imaging was clinically practical and provided high-quality characterization of peripheral retinal lesions for all eyes. Images directly contributed to management plans, including laser, injection or surgical treatment, for a clinically meaningful set of patients (38%). Future studies are needed to further assess the value of this imaging modality and its role in diagnosing, monitoring, and treating peripheral lesions.

Optical Coherence Tomography and Glaucoma

2021 ◽  
Vol 7 (1) ◽  
Author(s):  
Alexi Geevarghese ◽  
Gadi Wollstein ◽  
Hiroshi Ishikawa ◽  
Joel S. Schuman
Keyword(s):  
Optical Coherence Tomography ◽  
Adaptive Optics ◽  
Imaging Modality ◽  
Annual Review ◽  
Publication Date ◽  
Optical Coherence ◽  
Swept Source ◽  
Diagnosis And Management ◽  
Spectral Domain Oct ◽  
Glaucoma Diagnosis

Early detection and monitoring are critical to the diagnosis and management of glaucoma, a progressive optic neuropathy that causes irreversible blindness. Optical coherence tomography (OCT) has become a commonly utilized imaging modality that aids in the detection and monitoring of structural glaucomatous damage. Since its inception in 1991, OCT has progressed through multiple iterations, from time-domain OCT, to spectral-domain OCT, to swept-source OCT, all of which have progressively improved the resolution and speed of scans. Even newer technological advancements and OCT applications, such as adaptive optics, visible-light OCT, and OCT-angiography, have enriched the use of OCT in the evaluation of glaucoma. This article reviews current commercial and state-of-the-art OCT technologies and analytic techniques in the context of their utility for glaucoma diagnosis and management, as well as promising future directions. Expected final online publication date for the Annual Review of Vision Science, Volume 7 is September 2021. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.

scholarly journals Full‐field swept‐source optical coherence tomography and neural tissue classification for deep brain imaging

2019 ◽  
Vol 13 (2) ◽  
Author(s):  
Ilan Felts Almog ◽  
Fu‐Der Chen ◽  
Suhan Senova ◽  
Anton Fomenko ◽  
Elise Gondard ◽  
...  
Keyword(s):  
Optical Coherence Tomography ◽  
Brain Imaging ◽  
Neural Tissue ◽  
Optical Coherence ◽  
Tissue Classification ◽  
Swept Source ◽  
Full Field ◽  
Deep Brain

Full-field swept-source optical coherence tomography with Gaussian spectral shaping

2008 ◽  
Author(s):  
Satish Kumar Dubey ◽  
Gyanendra Sheoran ◽  
Tulsi Anna ◽  
Arun Anand ◽  
Dalip Singh Mehta ◽  
...  
Keyword(s):  
Optical Coherence Tomography ◽  
Optical Coherence ◽  
Spectral Shaping ◽  
Swept Source ◽  
Full Field

Imaging pulse wave propagation in human retinal vessels using full-field swept-source optical coherence tomography

2015 ◽  
Vol 40 (20) ◽  
pp. 4771 ◽  
Author(s):  
Hendrik Spahr ◽  
Dierck Hillmann ◽  
Carola Hain ◽  
Clara Pfäffle ◽  
Helge Sudkamp ◽  
...  
Keyword(s):  
Optical Coherence Tomography ◽  
Wave Propagation ◽  
Pulse Wave ◽  
Retinal Vessels ◽  
Optical Coherence ◽  
Pulse Wave Propagation ◽  
Swept Source ◽  
Full Field
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