1. K. Bailey Freund

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    1. Mentioned In 79 Articles

    2. Filigree vascular pattern in Combined Hamartoma of Retina and Retinal Pigment Epithelium on Optical Coherence Tomography Angiography

      Filigree vascular pattern in Combined Hamartoma of Retina and Retinal Pigment Epithelium on Optical Coherence Tomography Angiography
      Objective To evaluate the vascular structure within combined hamartoma of retina and retinal pigment epithelium (CHRRPE) lesions using optical coherence tomography angiography (OCT-A). Design: Multicentre retrospective observational analysis Subjects: 20 eyes of patients diagnosed with CHRRPE Methods Retrospective analysis of color fundus photographs, optical coherence tomography (OCT) and OCT-A of 20 eyes with CHRRPE. Morphological characteristics of CHRRPE and the OCT features were correlated with the density of the filigree ...
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    3. Best Clinical Practice for Age-Related Macular Degeneration Imaging

      Best Clinical Practice for Age-Related Macular Degeneration Imaging
      Purpose: To identify best clinical practices for macular degeneration imaging. Methods: We reviewed best clinical practices for imaging patients with age-related macular degeneration. These recommendations are based on different levels of evidence (I-III). Results: The type of imaging needed depends to some degree on the clinical scenario: first visit vs follow-up visit vs poorly responsive patient. Conclusions: Imaging technologies that may be useful include optical coherence tomography, fundus photography, fundus ...
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    4. Swept-Source Optical Coherence Tomography Angiography of Retinal Arterial Macroaneurysm With Overlying Hemorrhage

      Swept-Source Optical Coherence Tomography Angiography of Retinal Arterial Macroaneurysm With Overlying Hemorrhage
      A patient in their 90s with hypertension and diabetes type 2 noted the sudden onset of decreased visual acuity of 20/70 OS due to a subinternal limiting membrane macular hemorrhage. Blood obscured the view posteriorly, evidenced by blocked fluorescence exceeding 5 minutes on fluorescein angiography ( Figure , A). Swept-source optical coherence tomography angiography (SS-OCTA) demonstrated a retinal arterial macroaneurysm ( Figure , B). The SS-OCTA uses scatter from high-speed acquisition (100 000 ...
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    5. Optical Coherence Tomography Angiography of Retinal-Choroidal Anastomosis in Toxoplasmosis Chorioretinitis

      Optical Coherence Tomography Angiography of Retinal-Choroidal Anastomosis in Toxoplasmosis Chorioretinitis
      A young adult was examined for follow-up of toxoplasmosis chorioretinitis that was diagnosed and treated during early childhood. Two subsequent flare-ups were treated with atovaquone, combined trimethoprim and sulfamethoxazole, and oral prednisone. Visual acuity was 20/20 OD. Ophthalmoscopic examination results demonstrated an inactive temporal chorioretinal scar with an apparent retinal-choroidal anastomosis ( Figure ). Optical coherence tomography angiography was performed through the anastomosis. Enface images ( Figure ) of the retinal and choroidal ...
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    6. Early hydroxychloroquine retinopathy: optical coherence tomography abnormalities preceding Humphrey visual field defects

      Early hydroxychloroquine retinopathy: optical coherence tomography abnormalities preceding Humphrey visual field defects
      Background/Aims Hydroxychloroquine (HCQ) retinopathy may result in severe and irreversible vision loss, emphasising the importance of screening and early detection. The purpose of this study is to report the novel finding of early optical coherence tomography (OCT) abnormalities due to HCQ toxicity that may develop in the setting of normal Humphrey visual field (HVF) testing. Methods Data from patients with chronic HCQ exposure was obtained from seven tertiary care ...
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    7. Peripapillary versus macular combined hamartoma of the retina and retinal pigment epithelium: Imaging characteristics

      Peripapillary versus macular combined hamartoma of the retina and retinal pigment epithelium: Imaging characteristics
      Purpose To compare clinical, optical coherence tomography (OCT), and fundus autofluorescence (FAF) characteristics of peripapillary versus (vs.) macular variants of combined hamartoma of the retina and retinal pigment epithelium (combined hamartoma). Design Retrospective observational, comparative case series Methods:Setting Multicentre collaborative study Study Population 50 eyes with a clinical diagnosis of combined hamartoma Observational Analysis A comparative analysis of color fundus photographs (CFPs), OCT and FAF was performed for peripapillary ...
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    8. Summary of 6th International Meeting on OCT Angiography & Advances in OCT in Rome December 2018: A Tremendous Success

      Summary of 6th International Meeting on OCT Angiography & Advances in OCT in Rome December 2018: A Tremendous Success
      ...telligence in ophthalmology and Wide field OCT Imaging. A remarkable heated debate between Phil Rosenfeld and K. Bailey Freund thrilled the audience, showing that there are many topics still open to discussion. We had a...
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    9. Optical Coherence Tomography in Urologic Oncology: a Comprehensive Review

      Optical Coherence Tomography in Urologic Oncology: a Comprehensive Review
      Introduction Optical coherence tomography (OCT) is being investigated in urologic oncology for optical diagnosis. This comprehensive review analyzes the current state of development of OCT for bladder, upper urinary tract, kidney, prostate, testis, and penis cancer. Also, the potential role of OCT with regard to the current diagnostic pathways is critically appraised to guide future developments. Methods Embase and Pubmed were systematically searched for English and German articles on OCT ...
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    10. Imaging Of Pigment Epithelial Detachments With Optical Coherence Tomography Angiography

      Imaging Of Pigment Epithelial Detachments With Optical Coherence Tomography Angiography
      Purpose: To investigate the utility of optical coherence tomography angiography (OCTA) for detecting pathologic vascularization within pigment epithelial detachments (PEDs). Methods: This was a retrospective, cross-sectional, consecutive case series. Multimodal imaging (structural OCT, fluorescein, and indocyanine green angiography) was used as the gold standard to classify PEDs as nonvascularized or vascularized. Optical coherence tomography angiography imaging of the PED was subsequently and independently evaluated to classify PEDs as vascularized or ...
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    11. PROGRESSION OF MACULAR ATROPHY IN EYES WITH TYPE 1 NEOVASCULARIZATION AND AGE-RELATED MACULAR DEGENERATION RECEIVING LONG-TERM INTRAVITREAL ANTI–VASCULAR ENDOTHELIAL GROWTH FACTOR THERAPY: An Optical Coherence Tomographic Angiography Analysis

      PROGRESSION OF MACULAR ATROPHY IN EYES WITH TYPE 1 NEOVASCULARIZATION AND AGE-RELATED MACULAR DEGENERATION RECEIVING LONG-TERM INTRAVITREAL ANTI–VASCULAR ENDOTHELIAL GROWTH FACTOR THERAPY: An Optical Coherence Tomographic Angiography Analysis
      Purpose: To evaluate the size and location of macular atrophy in eyes with Type-1 neovascularization (NV) and age-related macular degeneration receiving chronic intravitreal antivascular endothelial growth factor therapy. Methods: A retrospective review of a case series of 27 eyes with Type-1 NV and retinal pigment epithelial detachment (PED) having a minimum of 12 months follow-up was performed. Demographic information and visual acuity at baseline and the final follow-up were collected ...
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    12. Quantitative shadow compensated optical coherence tomography of choroidal vasculature

      Quantitative shadow compensated optical coherence tomography of choroidal vasculature
      Conventionally rendered optical coherence tomography (OCT) images of the posterior segment contain shadows which influence the visualization of deep structures such as the choroid. The purpose of this study was to determine whether OCT shadow compensation (SC) alters the appearance of the choroid and the apparent choroidal vascularity index (CVI), an OCT-derived estimated ratio of luminal to total choroidal volume. All scans were shadow compensated using a previously published algorithm ...
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      Mentions: K. Bailey Freund
    13. Dense B-scan Optical Coherence Tomography Angiography

      Dense B-scan Optical Coherence Tomography Angiography
      Purpose To describe a novel imaging technique, we call dense B-scan optical coherence tomography angiography (DB OCTA) in which thin dense raster scans are used to produce highly resolved structural B-scans with superimposed flow signal that provide precise correlation between retinal microstructure and blood flow. Design Observational case series Methods Normal eyes and eyes with macular findings of interest were imaged with DB OCTA in which 150-400 OCT B-scans were ...
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      Mentions: K. Bailey Freund
    14. Directional Changes In Tissue Reflectivity May Influence Flow Detection On Optical Coherence Tomography Angiography

      Directional Changes In Tissue Reflectivity May Influence Flow Detection On Optical Coherence Tomography Angiography
      Purpose: To determine if directional or anatomical changes in tissue reflectivity of Henle fiber layer (HFL) may influence flow detection on optical coherence tomography angiography ( OCT-A ). Methods: Cross-sectional analysis of consecutive cases undergoing OCT-A . Directional changes in visualization of HFL were either produced manually by moving the beam entrance within the pupil or observed occurring naturally because of tilting of the OCT line-scan within a myopic staphyloma. Areas of enhanced ...
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      Mentions: K. Bailey Freund
    15. Type 3 neovascularisation: long-term analysis of visual acuity and optical coherence tomography anatomical outcomes

      Type 3 neovascularisation: long-term analysis of visual acuity and optical coherence tomography anatomical outcomes
      Background To investigate the long-term visual and optical coherence tomography (OCT) anatomical outcomes of type 3 neovascularisation (NV) and to identify any baseline predictors of poor outcomes. Methods In this retrospective study, patients diagnosed with treatment nave type 3 NV were identified and categorised into two groups: good or poor vision based on final vision at 1year. Baseline demographic features and visual acuity (VA) and baseline and 1-year spectral domain ...
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    16. SILDENAFIL CITRATE INDUCED RETINAL TOXICITY—ELECTRORETINOGRAM, OPTICAL COHERENCE TOMOGRAPHY, AND ADAPTIVE OPTICS FINDINGS

      SILDENAFIL CITRATE INDUCED RETINAL TOXICITY—ELECTRORETINOGRAM, OPTICAL COHERENCE TOMOGRAPHY, AND ADAPTIVE OPTICS FINDINGS
      Background/Purpose: To report a case of persistent retinal toxicity associated with a high dose of sildenafil citrate intake. Methods: Single retrospective case report. Results: A 31-year-old white man with no medical history presented with complaints of bilateral multicolored photopsias and erythropsia (red-tinted vision), shortly after taking sildenafil citratepurchased through the internet. Patient was found to have cone photoreceptor damage, demonstrated using electroretinogram, optical coherence tomography, and adaptive optics imaging ...
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  2. About K. Bailey Freund

    K. Bailey Freund

    K. Bailey Freund is a Physician at Vitreous Retina Macula Consultants of New York.