Dr. Ryan P. McNabb Profile

Dr. Ryan P. McNabb

Medical Instructor at Duke Univ School of Medicine

SPIE Involvement:

Author

Publications (34)

Proceedings Article | 13 March 2024 Presentation

Polarization multiplexed whole-eye optical coherence tomography with pupil tracking for ocular motion estimation

George Funkenbusch, Rick Laoprasert, Pablo Ortiz, Joseph Izatt, Anthony Kuo, Ryan McNabb

Proceedings Volume PC12830, PC1283007 (2024) https://doi.org/10.1117/12.3001091

KEYWORDS: Optical coherence tomography, Imaging systems, Polarization, Multiplexing, Optical tracking, Eye, Magnetic resonance imaging, Image segmentation, Motion estimation, Eye tracking

Read Abstract +

Proceedings Article | 13 March 2024 Presentation

Synthetic data algorithm development for high-speed instrument tracking of OCT imaging during anterior chamber ophthalmic surgeries

Harvey Shi, Pablo Ortiz, Jianwei Li, Amit Narawane, Robert Trout, Yuan Tian, Mark Draelos, Ryan McNabb, Anthony Kuo, Joseph Izatt

Proceedings Volume PC12824, PC1282415 (2024) https://doi.org/10.1117/12.2692376

KEYWORDS: Algorithm development, Microscopes, Equipment, Instrument modeling, Eye models, Vacuum chambers, 3D modeling, Optical coherence tomography, Education and training, Surgery

Read Abstract +

Proceedings Article | 13 March 2024 Presentation

In vivo ophthalmic robotically aligned optical coherence tomography with interchangeable cornea and retina imaging modules

Ryan McNabb, Yuan Tian, Pablo Ortiz, Al-Hafeez Dhalla, Mark Draelos, Joseph Izatt, Anthony Kuo

Proceedings Volume PC12824, PC1282412 (2024) https://doi.org/10.1117/12.3003081

KEYWORDS: Optical coherence tomography, Optical alignment, In vivo imaging, Imaging systems, Retinal scanning, Head, Cameras, Cornea, Corneal imaging, Retina

Read Abstract +

Proceedings Article | 13 March 2024 Presentation

Development of an ophthalmic slit lamp module with dual color cameras for use with an autonomously aligning robotic arm

Morgan McCloud, Pablo Ortiz, Mark Draelos, Joseph Izatt, Anthony Kuo, Ryan McNabb

Proceedings Volume PC12824, PC1282414 (2024) https://doi.org/10.1117/12.3000410

KEYWORDS: Cameras, Imaging systems, 3D tracking, Head, Software development, Projection systems, Optomechanical design, Lamps, Robotics, Eye

Read Abstract +

Proceedings Article | 13 March 2024 Presentation

Vortex open-source library-based OCT software enabling real-time, interlaced whole-eye imaging

Rick Laoprasert, George Funkenbusch, Mark Draelos, Joseph Izatt, Ryan McNabb, Anthony Kuo

Proceedings Volume PC12824, PC128240F (2024) https://doi.org/10.1117/12.3001092

KEYWORDS: Image segmentation, Scanners, Eye models, Data acquisition, Systems modeling, Optical coherence tomography, Open source software, Real time imaging, Process control, Eye

Read Abstract +

Proceedings Article | 13 March 2024 Presentation

Characterization and optical correction of beam wander at the pupil plane in point-scanning ophthalmic OCT systems

Amit Narawane, Pablo Ortiz, Mark Draelos, Ryan McNabb, Anthony Kuo, Joseph Izatt

Proceedings Volume PC12830, PC128300L (2024) https://doi.org/10.1117/12.3005602

KEYWORDS: Optical coherence tomography, Beam wander, Mirrors, Scanners, Robotic systems, Retina, Optical scanning systems, Mirror surfaces, Image resolution, Galvanometers

Read Abstract +

Proceedings Article | 17 March 2023 Presentation

Interchangeable imaging platform for ophthalmic robotically aligned optical coherence tomography

Ryan McNabb, Yuan Tian, Al-Hafeez Dhalla, Pablo Ortiz, Mark Draelos, Joseph Izatt, Anthony Kuo

Proceedings Volume PC12360, PC123600L (2023) https://doi.org/10.1117/12.2650662

KEYWORDS: Optical coherence tomography, Imaging systems, Retina, Head, Retinal scanning, Ophthalmic imaging, Cameras, Vertical cavity surface emitting lasers, Tissues, Switches

Read Abstract +

Proceedings Article | 17 March 2023 Presentation

Robotically-aligned optical coherence tomography angiography with multiple illumination angles for enhanced vessel visualization

Amit Narawane, Mark Draelos, Pablo Ortiz, Ryan McNabb, Anthony Kuo, Joseph Izatt

Proceedings Volume PC12360, PC123600J (2023) https://doi.org/10.1117/12.2649505

KEYWORDS: Visualization, Optical coherence tomography, Angiography, Retina, Data acquisition, Speckle, Scattering, Ophthalmology, In vivo imaging, Image processing software

Read Abstract +

Proceedings Article | 17 March 2023 Presentation

OCT with integrated video optotype for dynamic choroidal thickness maps in response to defocused stimuli

Anthony Kuo, Alex Nixon, Derek Nankivil, Ryan McNabb

Proceedings Volume PC12360, PC123600K (2023) https://doi.org/10.1117/12.2650031

KEYWORDS: Optical coherence tomography, Video, Eye, Retina, Optical design, Imaging systems, Organic light emitting diodes, Optomechanical design, Mirrors, Macula

Read Abstract +

Proceedings Article | 15 March 2023 Presentation + Paper

Dual modality handheld adaptive optics optical coherence tomography probe for in vivo 3-D photoreceptor imaging

Kristen Hagan, Jongwan Park, Theodore DuBose, Somayyeh Soltanian-Zadeh, Al-Hafeez Dhalla, Anthony Kuo, Ryan McNabb, Joseph Izatt, Sina Farsiu

Proceedings Volume 12360, 123600D (2023) https://doi.org/10.1117/12.2648479

KEYWORDS: Adaptive optics, Optical coherence tomography, Biomedical optics, Adaptive optics optical coherence tomography, Scanning laser ophthalmoscopes, In vivo imaging, Ophthalmology, Scanning laser ophthalmoscopy, Retinal scanning, Retina

Read Abstract +

Proceedings Article | 9 March 2023 Presentation

Efficient 3D cell tracking using adaptive scanning OCT

Yuan Tian, Mark Draelos, Ryan McNabb, Al-Hafeez Dhalla, Anthony Kuo, Joseph Izatt

Proceedings Volume PC12367, PC123670L (2023) https://doi.org/10.1117/12.2652677

KEYWORDS: Optical coherence tomography, Detection and tracking algorithms, Algorithm development, Tissues, Ophthalmology, Medicine, Injuries, Inflammation, Eye, Computer simulations

Read Abstract +

Proceedings Article | 9 March 2023 Presentation

Sensor-driven digital motion correction of robotically-aligned optical coherence tomography retinal volumes

Pablo Ortiz, Amit Narawane, Ryan McNabb, Anthony Kuo, Joseph Izatt, Mark Draelos

Proceedings Volume PC12367, PC123670D (2023) https://doi.org/10.1117/12.2652996

KEYWORDS: Optical coherence tomography, Sensors, Sensor calibration, Scanners, Motion models, Image processing, Eye models, Systems modeling, Retina, Optical calibration

Read Abstract +

Proceedings Article | 9 March 2023 Presentation

Repeatable retinal imaging independent of posture and head pose with robotically-aligned optical coherence tomography

Mark Draelos, Pablo Ortiz, Amit Narawane, Ryan McNabb, Anthony Kuo, Joseph Izatt

Proceedings Volume PC12367, PC1236708 (2023) https://doi.org/10.1117/12.2651607

KEYWORDS: Optical coherence tomography, Head, Imaging systems, Retinal scanning, Robotics, Robotic systems, Eye, Retina, Pollution control, Optical alignment

Read Abstract +

Proceedings Article | 7 March 2022 Presentation

Autonomous robotic alignment enables remote, telehealth OCT, and OCTA retinal imaging

Ryan McNabb, Ailin Song, Kyung-Min Roh, Jay Lusk, Pablo Ortiz, Mark Draelos, Stefanie Schuman, Glenn Jaffe, Joseph Izatt, Anthony Kuo

Proceedings Volume PC11941, PC119410T (2022) https://doi.org/10.1117/12.2609063

KEYWORDS: Optical coherence tomography, Telemedicine, Robotics, Retinal scanning, Imaging systems, Angiography, Zoom lenses, Video, Satellites, Satellite imaging

Read Abstract +

Proceedings Article | 7 March 2022 Presentation

Adaptive scanning for > 5x speedup in volumetric frame rate with point-scan optical coherence tomography

Mark Draelos, Christian Viehland, Ryan McNabb, Anthony Kuo, Joseph Izatt

Proceedings Volume PC11948, PC119480L (2022) https://doi.org/10.1117/12.2612428

KEYWORDS: Optical coherence tomography, Systems modeling, Scanners, Target detection, Surgery

Read Abstract +

Proceedings Article | 7 March 2022 Presentation

3D optical coherence refraction tomography using a parabolic mirror

Kevin Zhou, Ryan McNabb, Ruobing Qian, Simone Degan, Al-Hafeez Dhalla, Sina Farsiu, Joseph Izatt

Proceedings Volume PC11948, PC119480W (2022) https://doi.org/10.1117/12.2611206

KEYWORDS: Optical coherence tomography, Tomography, Refraction, Coherence (optics), Mirrors, 3D modeling, Speckle, Resolution enhancement technologies, Visualization, Reconstruction algorithms

Read Abstract +

Proceedings Article | 7 March 2022 Presentation

Robotically aligned optical coherence tomography with gaze tracking and retinal image montaging

Pablo Ortiz, Mark Draelos, Amit Narawane, Ryan McNabb, Anthony Kuo, Joseph Izatt

Proceedings Volume PC11948, PC119480D (2022) https://doi.org/10.1117/12.2612447

KEYWORDS: Optical coherence tomography, Infrared cameras, Scanners, Retina, Mirrors, Light emitting diodes, Infrared imaging, Image processing, Cameras, Stereoscopic cameras

Read Abstract +

Proceedings Article | 7 March 2022 Presentation

First handheld adaptive optics optical coherence tomography probe for in vivo imaging of photoreceptors

Kristen Hagan, Jongwan Park, Theodore DuBose, Somayyeh Soltanian-Zadeh, Gar Waterman, Al-Hafeez Dhalla, Anthony Kuo, Ryan McNabb, Joseph Izatt, Sina Farsiu

Proceedings Volume 11941, 119410A (2022) https://doi.org/10.1117/12.2609182

KEYWORDS: Adaptive optics optical coherence tomography, Optical coherence tomography, Imaging systems, Adaptive optics, Image resolution, Cones, Wavefront sensors, Visualization, Tissues, Spectroscopy

Read Abstract +

Proceedings Article | 7 March 2022 Presentation

Automated volumetric retinal imaging with complete visualization of Henle’s fiber layer using robotically aligned optical coherence tomography

Amit Narawane, Pablo Ortiz, Mark Draelos, Ryan McNabb, Anthony Kuo, Joseph Izatt

Proceedings Volume PC11941, PC119410R (2022) https://doi.org/10.1117/12.2607640

KEYWORDS: Optical coherence tomography, Visualization, Retinal scanning, Software development, Retina, In vivo imaging, Image visualization, Control systems, Clinical research

Read Abstract +

Proceedings Article | 5 March 2021 Presentation

Autoaligning and autofocusing robotic optical coherence tomography of the retina for subject motion, gaze, and defocus compensation

Pablo Ortiz, Mark Draelos, Ryan McNabb, Amit Narawane, Christian Viehland, Anthony Kuo, Joseph Izatt

Proceedings Volume 11630, 116300H (2021) https://doi.org/10.1117/12.2583789

KEYWORDS: Optical coherence tomography, Robotics, Retina, Scanners, Mirrors, Image processing, Eye, Stereoscopic cameras, Ophthalmology, Imaging systems

Read Abstract +

Proceedings Article | 5 March 2021 Presentation

Robotically aligned optical coherence tomography for socially distanced clinical ophthalmic imaging

Ryan McNabb, Pablo Ortiz, Kyung-Min Roh, Mark Draelos, Charlene James, Stefanie Schuman, Glenn Jaffe, Joseph Izatt, Anthony Kuo

Proceedings Volume 11623, 116231E (2021) https://doi.org/10.1117/12.2576536

KEYWORDS: Optical coherence tomography, Ophthalmic imaging, Eye, Optic nerve, Head, Structured optical fibers, Safety, Retina, Lenses, Clinical research

Read Abstract +

Proceedings Article | 9 March 2020 Presentation

Quantitative curvature maps of the ocular posterior segment utilizing OCT with demonstration of local shape change over time (Conference Presentation)

Ryan McNabb, Alice Liu, Sidney Gospe, Mays El Dairi, Charlene James, Robin Vann, Joseph Izatt, Anthony Kuo

Proceedings Volume 11218, 112180J (2020) https://doi.org/10.1117/12.2546197

KEYWORDS: Optical coherence tomography, Eye, Visualization, Coherence imaging, 3D metrology, Image segmentation, Cornea, Visual analytics, Optical imaging, 3D image processing

Read Abstract +

Proceedings Article | 9 March 2020 Presentation

Robotically-aligned optical coherence tomography with 5-degree of freedom eye tracking for subject motion and gaze compensation (Conference Presentation)

Pablo Ortiz, Mark Draelos, Ryan McNabb, Anthony Kuo, Joesph Izatt

Proceedings Volume 11228, 112280E (2020) https://doi.org/10.1117/12.2548376

KEYWORDS: Optical coherence tomography, Infrared cameras, Optical tracking, Retina, Scanners, Imaging systems, Infrared imaging, Image processing, Cameras, Mirrors

Read Abstract +

Proceedings Article | 19 February 2020 Paper

Wavefront sensorless multimodal handheld adaptive optics scanning laser ophthalmoscope for in vivo imaging of human retinal cones

Kristen Hagan, Theodore DuBose, David Cunefare, Corey Simmerer, Gar Waterman, Jongwan Park, Anthony Kuo, Ryan McNabb, Joseph Izatt, Sina Farsiu

Proceedings Volume 11218, 112180X (2020) https://doi.org/10.1117/12.2544407

KEYWORDS: Confocal microscopy, Imaging systems, Adaptive optics, Cones, Wavefronts, Sensors, Image registration, Eye, Retina

Read Abstract +

Proceedings Article | 13 March 2019 Presentation

Axial motion corrected constant linear velocity spiral scan OCT with dynamic focusing for high resolution wide field corneal and anterior chamber imaging (Conference Presentation)

Ryan McNabb, Yuxiao Wei, Moseph Jackson-Atogi, Alice Liu, Oscar Carrasco-Zevallos, Joseph Izatt, Anthony Kuo

Proceedings Volume 10858, 108580F (2019) https://doi.org/10.1117/12.2510164

KEYWORDS: Optical coherence tomography, Image resolution, Cornea, Imaging systems, Image quality, Telescopes, Optical alignment

Read Abstract +

Proceedings Article | 13 March 2019 Presentation

Constant linear velocity spiral scanning for real time 4D OCT with visualization in virtual reality (Conference Presentation)

Jianwei Li, Oscar Carrasco-Zevallos, Moseph Jackson-Atogi, Mark Draelos, Christian Viehland, Brenton Keller, Ryan McNabb, Anthony Kuo, Joseph Izatt

Proceedings Volume 10858, 108580D (2019) https://doi.org/10.1117/12.2510352

KEYWORDS: Optical coherence tomography, Visualization, Virtual reality, Scanners, Raster graphics, Data acquisition, Retina, Surgery

Read Abstract +

Proceedings Article | 4 March 2019 Presentation

Hand held optical coherence tomography probe for simultaneous anterior chamber and posterior segment imaging using a single light source (Conference Presentation)

Ryan McNabb, Gar Waterman, Al-Hafeez Dhalla, Moseph Jackson-Atogi, Pablo Ortiz, Anthony Kuo, Joseph Izatt

Proceedings Volume 10867, 1086716 (2019) https://doi.org/10.1117/12.2511550

KEYWORDS: Optical coherence tomography, Image segmentation, Polarization, Multiplexing, Mechanics

Read Abstract +

Proceedings Article | 14 March 2018 Presentation

Widefield whole eye SSOCT measurement of retinal curvature for papilledema screening (Conference Presentation)

Ryan McNabb, M. Tariq Bhatti, Maysantoine El Dairi, Joseph Izatt, Anthony Kuo

Proceedings Volume 10474, 1047417 (2018) https://doi.org/10.1117/12.2291187

KEYWORDS: Optical coherence tomography, Magnetic resonance imaging, Eye, Retina, Head, Optic nerve, Ophthalmology, Cornea, Brain

Read Abstract +

Proceedings Article | 19 February 2018 Presentation + Paper

Anterior chamber blood cell differentiation using spectroscopic optical coherence tomography

Ruobing Qian, Ryan McNabb, Anthony Kuo, Joseph Izatt

Proceedings Volume 10474, 1047411 (2018) https://doi.org/10.1117/12.2290907

KEYWORDS: Spectroscopy, Optical coherence tomography, Blood, Eye, In vitro testing, Mie scattering, Optical spectroscopy, In vivo imaging, Data acquisition

Read Abstract +

Proceedings Article | 16 May 2017 Presentation

Truly simultaneous SS-OCT of the anterior and posterior human eye with full anterior chamber and 50° retinal field of views (Conference Presentation)

Ryan McNabb, Christian Viehland, Brenton Keller, Robin Vann, Joseph Izatt, Anthony Kuo

Proceedings Volume 10045, 100451A (2017) https://doi.org/10.1117/12.2253477

KEYWORDS: Medicine, Macula, Optic nerve, Optomechanical design, Eye, Optical coherence tomography, Imaging systems, Retina, Ophthalmic imaging, Switching

Read Abstract +

Proceedings Article | 26 April 2016 Presentation

Registration of orthogonally oriented wide-field of view OCT volumes using orientation-aware optical flow and retina segmentation (Conference Presentation)

Jose Lezama, Dibyendu Mukherjee, Ryan McNabb, Guillermo Sapiro, Joseph Izatt, Sina Farsiu, Anthony Kuo

Proceedings Volume 9693, 96930I (2016) https://doi.org/10.1117/12.2213832

KEYWORDS: Current controlled current source, Optical coherence tomography, Image registration, Optical flow, Retina, Optic nerve, Head, Computer programming, Image segmentation, Holmium

Read Abstract +

Proceedings Article | 28 February 2014 Paper

Complete 360° circumferential SSOCT gonioscopy of the iridocorneal angle

Ryan McNabb, Anthony Kuo, Joseph Izatt

Proceedings Volume 8930, 89300I (2014) https://doi.org/10.1117/12.2039574

KEYWORDS: Optical coherence tomography, Cornea, Mirrors, Independent component analysis, Image segmentation, Tumors, Imaging systems, Eye, Scanners, Scattering

Read Abstract +

Proceedings Article | 1 February 2012 Paper

Dual-depth SSOCT for simultaneous complex resolved anterior segment and conventional retinal imaging

Al-Hafeez Dhalla, Theresa Bustamante, Derek Nanikivil, Hansford Hendargo, Ryan McNabb, Anthony Kuo, Joseph Izatt

Proceedings Volume 8213, 82131G (2012) https://doi.org/10.1117/12.911306

KEYWORDS: Image segmentation, Polarization, Optical coherence tomography, Imaging systems, Retina, Heterodyning, Coherence (optics), Computer programming, Eye, Retinal scanning

Read Abstract +

Proceedings Article | 16 February 2011 Paper

Doppler velocity detection limitations in spectrometer and swept-source Fourier-domain optical coherence tomography

Hansford Hendargo, Ryan McNabb, Al-Hafeez Dhalla, Neal Shepherd, Joseph Izatt

Proceedings Volume 7889, 788911 (2011) https://doi.org/10.1117/12.876013

KEYWORDS: Spectroscopy, Optical coherence tomography, Doppler effect, Doppler tomography, Data acquisition, Signal to noise ratio, Velocity measurements, Signal attenuation, Imaging systems, Data centers

Read Abstract +

Showing 5 of 34 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years