A fiber-based single-unit dual-mode optical Imaging system: Swept source optical coherence tomography and fluorescence spectroscopy

2012 ◽  
Vol 285 (9) ◽  
pp. 2478-2482 ◽  
Author(s):  
Seon Young Ryu ◽  
Hae Young Choi ◽  
Ki Soo Chang ◽  
Geon Hee Kim ◽  
Woo June Choi ◽  
...  
Keyword(s):  
Optical Coherence Tomography ◽  
Fluorescence Spectroscopy ◽  
Optical Imaging ◽  
Single Unit ◽  
Imaging System ◽  
Optical Coherence ◽  
Dual Mode ◽  
Swept Source ◽  
Optical Imaging System

Integrated optical imaging system composed of optical time-of-flight and optical coherence tomography

2021 ◽  
Author(s):  
Juan Manuel Franco Sanchez ◽  
Yuki Shimamoto ◽  
Shunya Masaki ◽  
Joel Cervantes ◽  
Quang Duc Pham ◽  
...  
Keyword(s):  
Optical Coherence Tomography ◽  
Optical Imaging ◽  
Imaging System ◽  
Time Of Flight ◽  
Optical Coherence ◽  
Integrated Optical ◽  
Optical Imaging System ◽  
Optical Time

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.

scholarly journals Dual-mode optical imaging system for fluorescence image-guided surgery

2014 ◽  
Vol 39 (13) ◽  
pp. 3830 ◽  
Author(s):  
Nan Zhu ◽  
Suman Mondal ◽  
Shengkui Gao ◽  
Samuel Achilefua ◽  
Viktor Gruev ◽  
...  
Keyword(s):  
Optical Imaging ◽  
Imaging System ◽  
Image Guided Surgery ◽  
Dual Mode ◽  
Fluorescence Image ◽  
Guided Surgery ◽  
Image Guided ◽  
Optical Imaging System

A NEW AND MODERN DIGNOSTIC TECHNIQUE: SWEPT-SOURCE OPTICAL COHERENCE TOMOGRAPHY (SS-OCT)

2013 ◽  
Vol 5 (2) ◽  
pp. 31-33
Author(s):  
Prakash Lokhande
Keyword(s):  
Optical Coherence Tomography ◽  
High Resolution ◽  
Optical Imaging ◽  
Optical Coherence ◽  
Cross Sectional ◽  
Swept Source ◽  
Non Invasive ◽  
Treatment Technologies ◽  
High Resolution Images ◽  
Swept Source Oct

ABSTRACT Innovative technique has been introduced in the field of dentistry for the purpose of diagnosis and treatment. Technologies like laser, composite curing techniques, optical imaging have been utilized in the field of dentistry. OCT(optical coherence tomography) is a recent. technique which creates cross-sectional high resolution images. SS-OCT(Swept -Source optical coherence tomography) is a variant of optical coherence tomography, which provides instant imaging with high resolution, non-invasive and ease of handling. This article provides a overview of Swept -Source OCT and its application in the field of dentistry.

Combined swept-source optical coherence tomography and fluorescence spectroscopy system

2010 ◽  
Author(s):  
Seon Young Ryu ◽  
Myeong Jin Ju ◽  
Kwan Seob Park ◽  
Joo Beom Eom ◽  
Byeong Ha Lee
Keyword(s):  
Optical Coherence Tomography ◽  
Fluorescence Spectroscopy ◽  
Optical Coherence ◽  
Swept Source ◽  
Spectroscopy System

A Dual-mode simultaneous bilateral optical imaging system for breast cancer detection

2010 ◽  
Author(s):  
Rabah Al abdi ◽  
Christoph Schmitz ◽  
Rehman Ansari ◽  
Randall Andronica ◽  
Yaling Pei ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Optical Imaging ◽  
Cancer Detection ◽  
Imaging System ◽  
Breast Cancer Detection ◽  
Dual Mode ◽  
Optical Imaging System

scholarly journals All-optically integrated photoacoustic and optical coherence tomography: A review

2017 ◽  
Vol 10 (04) ◽  
pp. 1730006 ◽  
Author(s):  
Wei Qiao ◽  
Zhongjiang Chen
Keyword(s):  
Optical Coherence Tomography ◽  
Biomedical Imaging ◽  
Imaging System ◽  
Michelson Interferometer ◽  
Optical Coherence ◽  
Dual Mode ◽  
Imaging Technology ◽  
Fabry Perot ◽  
All Optical ◽  
Potential Applications

All-optically integrated photoacoustic (PA) and optical coherence tomography (OCT) dual-mode imaging technology that could offer comprehensive pathological information for accurate diagnosis in clinic has gradually become a promising imaging technology in the aspect of biomedical imaging during the recent years. This review refers to the technology aspects of all-optical PA detection and system evolution of optically integrated PA and OCT, including Michelson interferometer dual-mode imaging system, Fabry–Perot (FP) interferometer dual-mode imaging system and Mach–Zehnder interferometer dual-mode imaging system. It is believed that the optically integrated PA and OCT has great potential applications in biomedical imaging.

Comparison of widefield swept-source optical coherence tomography angiography with ultra-widefield colour fundus photography and fluorescein angiography for detection of lesions in diabetic retinopathy

2020 ◽  
pp. bjophthalmol-2020-316245 ◽  
Author(s):  
Ying Cui ◽  
Ying Zhu ◽  
Jay C Wang ◽  
Yifan Lu ◽  
Rebecca Zeng ◽  
...  
Keyword(s):  
Optical Coherence Tomography ◽  
Diabetic Retinopathy ◽  
Fluorescein Angiography ◽  
Optical Coherence Tomography Angiography ◽  
Imaging System ◽  
Fundus Photography ◽  
Diabetic Patients ◽  
Optical Coherence ◽  
Swept Source ◽  
Detection Rates

AimsTo compare widefield swept-source optical coherence tomography angiography (WF SS-OCTA) with ultra-widefield colour fundus photography (UWF CFP) and fluorescein angiography (UWF FA) for detecting diabetic retinopathy (DR) lesions.MethodsThis prospective, observational study was conducted at Massachusetts Eye and Ear from December 2018 to October 2019. Proliferative DR, non-proliferative DR and diabetic patients with no DR were included. All patients were imaged with a WF SS-OCTA using a Montage 15×15 mm scan. UWF CFP and UWF FA were taken by a 200°, single capture retinal imaging system. Images were independently evaluated for the presence or absence of DR lesions including microaneurysms (MAs), intraretinal microvascular abnormalities (IRMAs), neovascularisation elsewhere (NVE), neovascularisation of the optic disc (NVD) and non-perfusion areas (NPAs). All statistical analyses were performed using SPSS V.25.0.ResultsOne hundred and fifty-two eyes of 101 participants were included in the study. When compared with UWF CFP, WF SS-OCTA was found to be superior in detecting IRMAs (p<0.001) and NVE/NVD (p=0.007). The detection rates of MAs, IRMAs, NVE/NVD and NPAs in WF SS-OCTA were comparable with UWF FA images (p>0.05). Furthermore, when we compared WF SS-OCTA plus UWF CFP with UWF FA, the detection rates of MAs, IRMAs, NVE/NVD and NPAs were identical (p>0.005). Agreement (κ=0.916) between OCTA and FA in classifying DR was excellent.ConclusionWF SS-OCTA is useful for identification of DR lesions. WF SS-OCTA plus UWF CFP may offer a less invasive alternative to FA for DR diagnosis.

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