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13 March 2019 A novel ergonomic optical coherence tomography probe optimized for supine handheld angiography of young children and infants (Conference Presentation)
Christian Viehland, Xi Chen, Du Tran-Viet, Gar Waterman, Moseph Jackson-Atogi, Cynthia A. Toth, Joseph A. Izatt
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Proceedings Volume 10858, Ophthalmic Technologies XXIX; 108580T (2019) https://doi.org/10.1117/12.2508034
Event: SPIE BiOS, 2019, San Francisco, California, United States
Abstract
Optical coherence tomography angiography (OCTA) is an extension of OCTA that allows for non-invasive imaging of the retinal microvasculature. OCTA imaging of adult retinal diseases is area of active research in ophthalmology as OCTA can provide insight into the pathogenesis of many retinal diseases. Like these adult diseases, pediatric diseases such as retinopathy of prematurity (ROP) have a primarily vascular pathogenesis. However, table top OCTA systems require compliant, seated subjects and cannot be used on infants and young children. In this manuscript we describe the development of a non-contact handheld OCTA (HH-OCTA) probe for imaging of young children and infants in the operating room. The probe utilizes a novel, diverging light on the scanner optical design that provides improved performance over a traditional OCT scanner design. While most handheld OCT probes are designed to be held by the side of the case or by a handle, our operators tend to prefer to grip probes by the tip of the probe for supine imagine. The ergonomics of the HH-OCTA probe were designed to match this grip. The HH-OCTA probe used a 200 kHz OCT engine, has a motorized stage that provides +10 to -10 D refractive error correction, and weighs 700g. Initial OCTA imaging was performed in 9 children or infants during exam under anesthesia. The HH-OCTA images provide visualization of the retinal microvasculature in both normal and pathological eyes.
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Christian Viehland, Xi Chen, Du Tran-Viet, Gar Waterman, Moseph Jackson-Atogi, Cynthia A. Toth, and Joseph A. Izatt "A novel ergonomic optical coherence tomography probe optimized for supine handheld angiography of young children and infants (Conference Presentation)", Proc. SPIE 10858, Ophthalmic Technologies XXIX, 108580T (13 March 2019); https://doi.org/10.1117/12.2508034
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KEYWORDS
Optical coherence tomography
Angiography
Pathogens
Retinal scanning
Scanners
Ophthalmology
Optical design
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