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Retina July 2019

Loss of Foveal Cone Structure Precedes Loss of Visual Acuity in Patients With Rod-Cone Degeneration

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Ethan Bensinger; Nicholas Rinella; Asma Saud; Panagiota Loumou; Kavitha Ratnam; Shane Griffin; Jia Qin; Travis C. Porco; Austin Roorda; Jacque L. Duncan
TAGS: blindness, retinal cone, retinitis pigmentosa, tissue degeneration, rod photoreceptors, visual acuity, diagnostic imaging
Invest. Ophthalmol. Vis. Sci.. 2019; 60(8):3187-3196. doi: 10.1167/iovs.18-26245

Includes: Supplemental Content

ARVO Annual Meeting Abstract July 2019

Fundus imaging in the freely gazing eye during large amplitude saccades

Kavitha Ratnam; Robin Sharma; Robert Konrad; Kyle Curts; Nicholas Trail; Alexander Fix; Robert Cavin

Invest. Ophthalmol. Vis. Sci.. 2019; 60(9):6117. doi:

ARVO Annual Meeting Abstract July 2018

The role of fixational eye movements in maintaining a stable fixation locus

Kavitha Ratnam; Norick R Bowers; Austin Roorda

Invest. Ophthalmol. Vis. Sci.. 2018; 59(9):656. doi:

Retina July 2018

Relationship Between Foveal Cone Structure and Visual Acuity Measured With Adaptive Optics Scanning Laser Ophthalmoscopy in Retinal Degeneration

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Katharina G. Foote; Panagiota Loumou; Shane Griffin; Jia Qin; Kavitha Ratnam; Travis C. Porco; Austin Roorda; Jacque L. Duncan

Invest. Ophthalmol. Vis. Sci.. 2018; 59(8):3385-3393. doi: 10.1167/iovs.17-23708

Article January 2017

Benefits of retinal image motion at the limits of spatial vision

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Kavitha Ratnam; Niklas Domdei; Wolf M. Harmening; Austin Roorda
TAGS: retinal cone, motion, eye, stabilization, spatial vision
Journal of Vision. 2017; 17(1):30. doi: 10.1167/17.1.30

Includes: Multimedia, Supplemental Content

ARVO Annual Meeting Abstract September 2016

Structural loss precedes visual acuity loss in the fovea of patients with retinal degeneration

Asma Saud; Kavitha Ratnam; Jia Qin; Panagiota Loumou; Shane Griffin; Austin Roorda; Travis Porco; Jacque L. Duncan

Invest. Ophthalmol. Vis. Sci.. 2016; 57(12):155. doi:

ARVO Annual Meeting Abstract September 2016

Phantom Cones: Visual function in photoreceptors with abnormal scattering properties

Joanna Tu; Jacque L. Duncan; Jia Qin; Brandon J Lujan; Kavitha Ratnam; Michael B Gorin; Austin Roorda; Christy K Sheehy; Ethan Bensinger; William Scott Tuten

Invest. Ophthalmol. Vis. Sci.. 2016; 57(12):4636. doi:

ARVO Annual Meeting Abstract September 2016

Relationship between foveal cone structure and visual acuity measured with adaptive optics scanning laser ophthalmoscopy (AOSLO) in retinal degenerations and normal subjects.

Panagiota Loumou; Shane Griffin; Kavitha Ratnam; Travis Porco; Jia Qin; Austin Roorda; Jacque L Duncan

Invest. Ophthalmol. Vis. Sci.. 2016; 57(12):5108. doi:

Retina September 2015

Repeatability of Cone Spacing Measures in Eyes With Inherited Retinal Degenerations

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Shiri Zayit-Soudry; Nicolas Sippl-Swezey; Travis C. Porco; Stephanie K. Lynch; Reema Syed; Kavitha Ratnam; Moreno Menghini; Austin J. Roorda; Jacque L. Duncan
TAGS: retinal cone, retinal degeneration, eye
Invest. Ophthalmol. Vis. Sci.. 2015; 56(10):6179-6189. doi: 10.1167/iovs.15-17010

Vision Sciences Society Annual Meeting Abstract September 2015

Fixational eye movements improve visual performance at the sampling limit

Kavitha Ratnam; Wolf Harmening; Austin Roorda

Journal of Vision. 2015; 15(12):1272-1272. doi: 10.1167/15.12.1272

ARVO Annual Meeting Abstract April 2014

Reliability of Cone Spacing Measures in Eyes with Inherited Retinal Degenerations

Shiri Zayit-Soudry; Nicolas Sippl-Swezey; Travis Porco; Stephanie Lynch; Reema Syed; Kavitha Ratnam; Moreno Menghini; Austin Roorda; Jacque L Duncan

Invest. Ophthalmol. Vis. Sci.. 2014; 55(13):2631. doi:

Visual Psychophysics and Physiological Optics August 2013

Relationship Between Foveal Cone Structure and Clinical Measures of Visual Function in Patients With Inherited Retinal Degenerations

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Kavitha Ratnam; Joseph Carroll; Travis C. Porco; Jacque L. Duncan; Austin Roorda
TAGS: retinal cone, retinal degeneration, vision
Invest. Ophthalmol. Vis. Sci.. 2013; 54(8):5836-5847. doi: 10.1167/iovs.13-12557

ARVO Annual Meeting Abstract June 2013

Microscopic Retinal Structure in Macular Telangiectasia

Austin Roorda; Brandon Lujan; Kavitha Ratnam; Vincent Liu; Johnny Tam; Steven Schwartz; Andrew Kaines; Paul Bernstein; Yuhua Zhang; Jacque Duncan

Invest. Ophthalmol. Vis. Sci.. 2013; 54(15):3606. doi:

ARVO Annual Meeting Abstract June 2013

Cone structure imaged with Adaptive Optics Scanning Laser Ophthalmoscopy in eyes with Non-Neovascular Age-related Macular Degeneration

Shiri Zayit-Soudry; Reema Syed; Kavitha Ratnam; Moreno Menghini; Austin Roorda; Jacque Duncan

Invest. Ophthalmol. Vis. Sci.. 2013; 54(15):1744. doi:

Retina February 2013

High-Resolution Images of Retinal Structure in Patients with Choroideremia

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Reema Syed; Sanna M. Sundquist; Kavitha Ratnam; Shiri Zayit-Soudry; Yuhua Zhang; J. Brooks Crawford; Ian M. MacDonald; Pooja Godara; Jungtae Rha; Joseph Carroll; Austin Roorda; Kimberly E. Stepien; Jacque L. Duncan
TAGS: choroideremia, retinal cone, fovea centralis, photoreceptors, diagnostic imaging, mosaicism, retina, tissue degeneration
Invest. Ophthalmol. Vis. Sci.. 2013; 54(2):950-961. doi: 10.1167/iovs.12-10707

Includes: Supplemental Content

ARVO Annual Meeting Abstract March 2012

High Resolution Retinal Images in a Family with Autosomal Dominant Retinitis Pigmentosa Caused By a Mutation in NR2E3

Ashleigh L. Levison; Kavitha Ratnam; Austin Roorda; Stephen P. Daiger; Lori Sullivan; Sara J. Bowne; Jacque L. Duncan

Invest. Ophthalmol. Vis. Sci.. 2012; 53(14):4587. doi:

ARVO Annual Meeting Abstract March 2012

Visual Acuity and Foveal Sensitivity are not Reliable Measures of Cone Density at the Fovea

Kavitha Ratnam; Joseph Carroll; Travis Porco; Jacque L. Duncan; Austin Roorda

Invest. Ophthalmol. Vis. Sci.. 2012; 53(14):4646. doi:

Clinical Trials December 2011

Abnormal Cone Structure in Foveal Schisis Cavities in X-Linked Retinoschisis from Mutations in Exon 6 of the RS1 Gene

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Jacque L. Duncan; Kavitha Ratnam; David G. Birch; Sanna M. Sundquist; Anna S. Lucero; Yuhua Zhang; Meira Meltzer; Nizar Smaoui; Austin Roorda
TAGS: mutation, retinal cone, exons, fovea centralis, genes, eye, x-linked retinoschisis
Invest. Ophthalmol. Vis. Sci.. 2011; 52(13):9614-9623. doi: 10.1167/iovs.11-8600

Includes: Supplemental Content

Clinical Trials May 2011

Cone Photoreceptor Abnormalities Correlate with Vision Loss in Patients with Stargardt Disease

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Yingming Chen; Kavitha Ratnam; Sanna M. Sundquist; Brandon Lujan; Radha Ayyagari; V. Harini Gudiseva; Austin Roorda; Jacque L. Duncan
TAGS: blindness, atrophy, retinal cone, stargardt's disease
Invest. Ophthalmol. Vis. Sci.. 2011; 52(6):3281-3292. doi: 10.1167/iovs.10-6538

Includes: Supplemental Content

ARVO Annual Meeting Abstract April 2011

Correlation Between AOSLO and SDOCT Photoreceptor Metrics in Macular Disease

Evan Lyall; Austin Roorda; Jacque L. Duncan; Steven D. Schwartz; Kavitha Ratnam; Sanna Sundquist; Anna S. Solovyev; Brandon J. Lujan

Invest. Ophthalmol. Vis. Sci.. 2011; 52(14):6571. doi:

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Loss of Foveal Cone Structure Precedes Loss of Visual Acuity in Patients With Rod-Cone Degeneration

Fundus imaging in the freely gazing eye during large amplitude saccades

The role of fixational eye movements in maintaining a stable fixation locus

Relationship Between Foveal Cone Structure and Visual Acuity Measured With Adaptive Optics Scanning Laser Ophthalmoscopy in Retinal Degeneration

Benefits of retinal image motion at the limits of spatial vision

Structural loss precedes visual acuity loss in the fovea of patients with retinal degeneration

Phantom Cones: Visual function in photoreceptors with abnormal scattering properties

Relationship between foveal cone structure and visual acuity measured with adaptive optics scanning laser ophthalmoscopy (AOSLO) in retinal degenerations and normal subjects.

Repeatability of Cone Spacing Measures in Eyes With Inherited Retinal Degenerations

Fixational eye movements improve visual performance at the sampling limit

Reliability of Cone Spacing Measures in Eyes with Inherited Retinal Degenerations

Relationship Between Foveal Cone Structure and Clinical Measures of Visual Function in Patients With Inherited Retinal Degenerations

Microscopic Retinal Structure in Macular Telangiectasia

Cone structure imaged with Adaptive Optics Scanning Laser Ophthalmoscopy in eyes with Non-Neovascular Age-related Macular Degeneration

High-Resolution Images of Retinal Structure in Patients with Choroideremia

High Resolution Retinal Images in a Family with Autosomal Dominant Retinitis Pigmentosa Caused By a Mutation in NR2E3

Visual Acuity and Foveal Sensitivity are not Reliable Measures of Cone Density at the Fovea

Abnormal Cone Structure in Foveal Schisis Cavities in X-Linked Retinoschisis from Mutations in Exon 6 of the RS1 Gene

Cone Photoreceptor Abnormalities Correlate with Vision Loss in Patients with Stargardt Disease

Correlation Between AOSLO and SDOCT Photoreceptor Metrics in Macular Disease

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