Search Results - "Vienola, Kari V"

Optoretinogram: optical measurement of human cone and rod photoreceptor responses to light by Azimipour, Mehdi, Valente, Denise, Vienola, Kari V, Werner, John S, Zawadzki, Robert J, Jonnal, Ravi S

“…Noninvasive, objective measurement of rod function is as significant as that of cone function, and for retinal diseases such as retinitis pigmentosa and…”
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Autofluorescent hyperreflective foci on infrared autofluorescence adaptive optics ophthalmoscopy in central serous chorioretinopathy by Vienola, Kari V., Lejoyeux, Raphael, Gofas-Salas, Elena, Snyder, Valerie C., Zhang, Min, Dansingani, Kunal K., Sahel, José-Alain, Chhablani, Jay, Rossi, Ethan A.

“…To test the hypothesis that hyperreflective foci in central serous chorioretinopathy (CSCR) are autofluorescent and may represent macrophages that have…”
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Multimodal Imaging of Torpedo Maculopathy With Fluorescence Adaptive Optics Imaging of Individual Retinal Pigmented Epithelial Cells by Vienola, Kari V, Dansingani, Kunal K, Eller, Andrew W, Martel, Joseph N, Snyder, Valerie C, Rossi, Ethan A

“…Torpedo maculopathy (TM) is a rare congenital defect of the retinal pigment epithelium (RPE). The RPE is often evaluated clinically using fundus…”
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Head stabilization apparatus for high-resolution ophthalmic imaging by Vienola, Kari V, Holmes, John A, Glasso, Zolten, Rossi, Ethan A

“…Head movement must be stabilized to enable high-quality data collection from optical instrumentation such as eye trackers and ophthalmic imaging devices…”
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Simultaneous directional full-field OCT using path-length and carrier multiplexing by Valente, Denise, Vienola, Kari V, Zawadzki, Robert J, Jonnal, Ravi S

“…Full-field swept-source optical coherence tomography (FF-SS-OCT) is an emerging technology with potential applications in ophthalmic imaging, microscopy,…”
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Angiography of the retina and the choroid with phase-resolved OCT using interval-optimized backstitched B-scans by Braaf, Boy, Vermeer, Koenraad A, Vienola, Kari V, de Boer, Johannes F

“…In conventional phase-resolved OCT blood flow is detected from phase changes between successive A-scans. Especially in high-speed OCT systems this results in a…”
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Kilohertz retinal FF-SS-OCT and flood imaging with hardware-based adaptive optics by Valente, Denise, Vienola, Kari V, Zawadzki, Robert J, Jonnal, Ravi S

“…A retinal imaging system was designed for full-field (FF) swept-source (SS) optical coherence tomography (OCT) with cellular resolution. The system…”
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Contributed Session I: Human cone response models for optoretinography with FF-SS-OCT and adaptive optics by Pijewska, Ewelina, Valente, Denise, Vienola, Kari V, Meleppat, Ratheesh, Zawadzki, Robert J, Jonnal, Ravi S

“…Recent work has shown that human rod and cone outer segments (ROS and COS, respectively) deform in response to visual stimuli. In phase-based optoretinography…”
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Microstructure of the retinal pigment epithelium near-infrared autofluorescence in healthy young eyes and in patients with AMD by Vienola, Kari V., Zhang, Min, Snyder, Valerie C., Sahel, José-Alain, Dansingani, Kunal K., Rossi, Ethan A.

“…Retinal pigmented epithelial (RPE) cells are essential for maintaining normal visual function, especially in their role in the visual cycle, and are thought to…”
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Fiber-based polarization-sensitive OCT of the human retina with correction of system polarization distortions by Braaf, Boy, Vermeer, Koenraad A, de Groot, Mattijs, Vienola, Kari V, de Boer, Johannes F

“…In polarization-sensitive optical coherence tomography (PS-OCT) the use of single-mode fibers causes unpredictable polarization distortions which can result in…”
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Parallel line scanning ophthalmoscope for retinal imaging by Vienola, Kari V, Damodaran, Mathi, Braaf, Boy, Vermeer, Koenraad A, de Boer, Johannes F

“…A parallel line scanning ophthalmoscope (PLSO) is presented using a digital micromirror device (DMD) for parallel confocal line imaging of the retina. The…”
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Near infrared autofluorescence imaging of retinal pigmented epithelial cells using 663 nm excitation by Vienola, Kari V., Zhang, Min, Snyder, Valerie C., Dansingani, Kunal K., Sahel, José-Alain, Rossi, Ethan A.

“…Purpose Fundus autofluorescence (AF) using adaptive optics scanning laser ophthalmoscopy (AOSLO) enables morphometric analysis of individual retinal pigmented…”
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Real-time eye motion correction in phase-resolved OCT angiography with tracking SLO by Braaf, Boy, Vienola, Kari V, Sheehy, Christy K, Yang, Qiang, Vermeer, Koenraad A, Tiruveedhula, Pavan, Arathorn, David W, Roorda, Austin, de Boer, Johannes F

“…In phase-resolved OCT angiography blood flow is detected from phase changes in between A-scans that are obtained from the same location. In ophthalmology, this…”
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Real-time eye motion compensation for OCT imaging with tracking SLO by Vienola, Kari V, Braaf, Boy, Sheehy, Christy K, Yang, Qiang, Tiruveedhula, Pavan, Arathorn, David W, de Boer, Johannes F, Roorda, Austin

“…Fixational eye movements remain a major cause of artifacts in optical coherence tomography (OCT) images despite the increases in acquisition speeds. One…”
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Design of a radial multi-offset detection pattern for in vivo phase contrast imaging of the inner retina in humans by Gofas-Salas, Elena, Rui, Yuhua, Mecê, Pedro, Zhang, Min, Snyder, Valerie C, Vienola, Kari V, Lee, Daniel M W, Sahel, José-Alain, Grieve, Kate, Rossi, Ethan A

“…Previous work has shown that multi-offset detection in adaptive optics scanning laser ophthalmoscopy (AOSLO) can be used to image transparent cells such as…”
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In vivo retinal imaging for fixational eye motion detection using a high-speed digital micromirror device (DMD)-based ophthalmoscope by Vienola, Kari V, Damodaran, Mathi, Braaf, Boy, Vermeer, Koenraad A, de Boer, Johannes F

“…Retinal motion detection with an accuracy of 0.77 arcmin corresponding to 3.7 µm on the retina is demonstrated with a novel digital micromirror device based…”
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Digital micromirror device based ophthalmoscope with concentric circle scanning by Damodaran, Mathi, Vienola, Kari V, Braaf, Boy, Vermeer, Koenraad A, de Boer, Johannes F

“…Retinal imaging is demonstrated using a novel scanning light ophthalmoscope based on a digital micromirror device with 810 nm illumination. Concentric circles…”
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Contributed Session I: Towards clinically friendly optoretinography (ORG) using 100 kHz swept-source OCT without adaptive optics (AO) by Vienola, Kari V., Zawadzki, Robert J., Jonnal, Ravi S.

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Velocity-based optoretinography for clinical applications by Vienola, Kari V., Valente, Denise, Zawadzki, Robert J., Jonnal, Ravi S.

“…Optoretinography (ORG) is an emerging tool for testing neural function in the retina. Unlike existing methods, it is noninvasive and objective, and provides…”
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Towards clinically friendly optoretinography (ORG) using 100 kHz swept-source OCT without adaptive optics (AO) by Vienola, Kari V, Zawadzki, Robert J, Jonnal, Ravi S

“…Optoretinography measures the stimulus-evoked response of the photoreceptors using light. Current systems use adaptive optics (AO) to obtain cellular-level…”
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