1. Articles from Tomas Ilginis

    1-5 of 5
    1. Clinical Features and Multi-Modality Imaging of Isolated Retinal Astrocytic Hamartoma

      Clinical Features and Multi-Modality Imaging of Isolated Retinal Astrocytic Hamartoma

      BACKGROUND AND OBJECTIVE: To identify the clinical and imaging characteristics of isolated retinal astrocytic hamartomas (IRAH). PATIENTS AND METHODS: A case series of eight patients diagnosed with IRAH. RESULTS: The average age at diagnosis was 32 years (range: 9 years to 80 years). After a median follow-up time of 59 months, none of the lesions had demonstrated any change or growth. Fundus fluorescein angiogram identified hyperfluorescence in five of six imaged lesions. Fundus autofluorescence (FAF) changes were seen in all eight cases. Ocular ultrasound was able to identify a lesion in only five of the seven cases. Optical coherence tomography ...

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    2. Agreement of swept-source and spectral-domain optical coherence-tomography retinal thickness measurements in neovascular age-related macular degeneration

      Agreement of swept-source and spectral-domain optical coherence-tomography retinal thickness measurements in neovascular age-related macular degeneration

      Changes in macular thickness measurements in neovascular age-related macular degeneration (nAMD) are thought to reflect disease activity, and can be used to guide treatment with antiangiogenic agents. 1 Both spectral-domain optical coherence tomography (SD-OCT) and the more recently introduced swept-source optical coherence tomography (SS-OCT) have onboard segmentation algorithms that deliver automated retinal thickness measurements. Agreement between OCT derived macular thickness measurements is critical for monitoring of patients if these modalities are to be used interchangeably. This prospective cross-sectional study sought to determine the limits of agreement between SD-OCT (Spectralis; Heidelberg Engineering) and SS-OCT (DRI OCT-1 Atlantis; Topcon Medical Systems) in ...

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    3. Repeatability of swept-source optical coherence tomography retinal and choroidal thickness measurements in neovascular age-related macular degeneration

      Repeatability of swept-source optical coherence tomography retinal and choroidal thickness measurements in neovascular age-related macular degeneration

      Background The aim was to determine the intrasession repeatability of swept-source optical coherence tomography (SS-OCT)-derived retinal and choroidal thickness measurements in eyes with neovascular age-related macular degeneration (nAMD). Methods A prospective study consisting of patients with active nAMD enrolled in the Distance of Choroid Study at Moorfields Eye Hospital, London. Patients underwent three 12×9 mm macular raster scans using the deep range imaging (DRI) OCT-1 SS-OCT (Topcon) device in a single imaging session. Retinal and choroidal thicknesses were calculated for the ETDRS macular subfields. Repeatability was calculated according to methods described by Bland and Altman. Results 39 eyes ...

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    4. Spectral-domain optical coherence tomography retinal and choroidal thickness metric repeatability in age related macular degeneration - American Journal of Ophthalmology

      Spectral-domain optical coherence tomography retinal and choroidal thickness metric repeatability in age related macular degeneration - American Journal of Ophthalmology

      Purpose To determine the intrasession repeatability of spectral domain-OCT (SD-OCT)-derived macular retinal and choroidal metrics in patients with neovascular age-related macular degeneration (nAMD) in the Distance of Choroid Study (DOCS) Design Validity and reliability analysis Methods Enrolled patients underwent repeated SD-OCT imaging using the Spectralis OCT. A single technician certified for clinical trials took 3 macular volume scans. Retinal thicknesses were calculated for each of the nine Early Treatment Diabetic Retinopathy Study (ETDRS) macular subfields. Center-point thickness and total macular volume were also included in the analysis. Manual subfoveal choroidal thickness measurements were made by a masked observer. Results ...

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    5. Ophthalmic imaging

      Ophthalmic imaging

      Introduction or background The last two decades have seen a revolution in ophthalmic imaging. In this review we present an overview of the breadth of ophthalmic imaging modalities in use today and describe how the role of ophthalmic imaging has changed from documenting abnormalities visible on clinical examination to the detection of clinically silent abnormalities which can lead to an earlier and more precise diagnosis. Sources of data This review is based on published literature in the fields of ophthalmic imaging and with focus on most commonly used imaging modalities. Areas of agreement New imaging techniques enable non-invasive evaluation of ...

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    1-5 of 5
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  2. Topics in the News

    1. (4 articles) Praveen J. Patel
    2. (2 articles) University College London
    3. (2 articles) Adnan Tufail
    4. (2 articles) Topcon Medical Systems
    5. (2 articles) Harvard University
    6. (2 articles) Massachusetts General Hospital
    7. (2 articles) Carl Zeiss Meditec
    8. (1 articles) Heidelberg Engineering
    9. (1 articles) Medical University of Vienna
    10. (1 articles) University of Hong Kong
    11. (1 articles) Guillermo J. Tearney
    12. (1 articles) Desmond C. Adler
    13. (1 articles) Matthew J. Everett
    14. (1 articles) Nathan D. Shemonski
    15. (1 articles) Ursula Schmidt-Erfurth
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    Ophthalmic imaging Spectral-domain optical coherence tomography retinal and choroidal thickness metric repeatability in age related macular degeneration - American Journal of Ophthalmology Repeatability of swept-source optical coherence tomography retinal and choroidal thickness measurements in neovascular age-related macular degeneration Agreement of swept-source and spectral-domain optical coherence-tomography retinal thickness measurements in neovascular age-related macular degeneration Clinical Features and Multi-Modality Imaging of Isolated Retinal Astrocytic Hamartoma Artificial intelligence, the internet of things, and virtual clinics: ophthalmology at the digital translation forefront Detecting glaucoma based on spectral domain optical coherence tomography imaging of peripapillary retinal nerve fiber layer: a comparison study between hand-crafted features and deep learning model Comparison of line‐field confocal optical coherence tomography images with histological sections: Validation of a new method for in vivo and non‐invasive quantification of superficial dermis thickness Estimating Visual Field Mean Deviation using Optical Coherence Tomographic Nerve Fiber Layer Measurements in Glaucoma Patients Optical coherence tomography of retinal and choroidal layers in patients with familial hypercholesterolaemia treated with lipoprotein apheresis SWEPT SOURCE OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY, FLUORESCEIN ANGIOGRAPHY, AND INDOCYANINE GREEN ANGIOGRAPHY COMPARISONS REVISITED Retinal microvasculature in pituitary adenoma patients: is optical coherence tomography angiography useful?