1. Carl Zeiss Meditec

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    1. Mentioned In 1360 Articles

    2. Relationship between Peripapillary Retinal Nerve Fiber Layer Thickness Measured by Optical Coherence Tomography and Visual Field Severity Indices

      Relationship between Peripapillary Retinal Nerve Fiber Layer Thickness Measured by Optical Coherence Tomography and Visual Field Severity Indices
      Purpose Though there are many reports regarding the structure-function relationship in glaucoma, they are too complicated to apply to the routine clinical setting. The aim of this study was to investigate the direct relationship between peripapillary retinal nerve fiber layer (RNFL) thickness measured by optical coherence tomography (OCT) and visual field (VF) severity indices computed by standard automated perimetry. Methods This cross-sectional comparative study included 104 glaucomatous patients and 59 ...
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    3. Evaluation of the peripapillary retinal nerve fiber layer and ganglion cell-inner plexiform layer measurements in patients with iron deficiency anemia with optical coherence tomography

      Evaluation of the peripapillary retinal nerve fiber layer and ganglion cell-inner plexiform layer measurements in patients with iron deficiency anemia with optical coherence tomography
      Objective : To evaluate the thickness of the peripapillary retinal fiber layer (RNFL) and macula ganglion cell-inner plexiform layer (GCL+) using optical coherence tomography (OCT) in patients with iron deficiency (ID) anemia. Methods : This study included 73 eyes of 39 patients with ID anemia and 68 eyes of 34 age- and sex-matched healthy subjects. The measurements included the peripapillary RNFL thicknesses as average, 4 quadrant and 12 clock-hour (CH) based and ...
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    4. Reproducibility and Agreement Between 2 Spectral Domain Optical Coherence Tomography Devices for Anterior Chamber Angle Measurements

      Reproducibility and Agreement Between 2 Spectral Domain Optical Coherence Tomography Devices for Anterior Chamber Angle Measurements
      Purpose: To compare anterior chamber angle parameters based on the location of Schwalbe line (SL) from 2 spectral domain optical coherence tomography (SD-OCT) instruments and to measure their reproducibility. Methods: Forty-two eyes from 21 normal, healthy participants underwent imaging of the inferior irido-corneal angle with the Spectralis and Cirrus SD-OCT under tightly controlled low-light conditions. SL-angle opening distance (SL-AOD) and SL-trabecular iris space area (SL-TISA) were measured by masked, certified ...
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    5. Optical coherence tomography reflects brain atrophy in MS: A four year study

      Optical coherence tomography reflects brain atrophy in MS: A four year study
      Objective : To determine whether atrophy of specific retinal layers and brain substructures are associated over time, in order to further validate the utility of optical coherence tomography (OCT) as an indicator of neuronal tissue damage in patients with multiple sclerosis (MS). Methods : Cirrus high definition OCT (including automated macular segmentation) was performed in 107 MS patients biannually (median follow-up: 46-months). Three-tesla magnetic resonance imaging brain scans (including brain-substructure volumetrics) were ...
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    6. Repeatability of Perimacular Ganglion Cell Complex Analysis with Spectral-Domain Optical Coherence Tomography

      Repeatability of Perimacular Ganglion Cell Complex Analysis with Spectral-Domain Optical Coherence Tomography
      Purpose. To assess the repeatability of spectral-domain optical coherence tomography to measure macular and perimacular ganglion cell complex thicknesses and compare retinal ganglion cell parameters between algorithms. Methods. Ninety-two nonglaucomatous eyes from 92 participants underwent macular and perimacular ganglion cell complex thickness measurement using OCT-HS100 Glaucoma 3D algorithm and these measurements were repeated for 34 subjects. All subjects also had macular ganglion cellinner plexiform layer thickness measured by Cirrus HD-OCT ...
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    7. Effect of ocular magnification on macular measurements made using spectral domain optical coherence tomography

      Effect of ocular magnification on macular measurements made using spectral domain optical coherence tomography
      Aim: The aim of the present study was to study the effect of ocular magnification on macular measurements made using spectral domain optical coherence tomography (OCT). Materials and Methods: One hundred and fifty-one subjects were included from the normative study of foveal morphology carried out at our hospital. Subjects underwent comprehensive eye examination and macular scanning using Cirrus high-definition OCT and axial length (AXL) measurement. Macular cube 512 128 scan ...
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    8. Noninvasive Visualization and Analysis of the Human Parafoveal Capillary Network Using Swept Source OCT Optical Microangiography

      Noninvasive Visualization and Analysis of the Human Parafoveal Capillary Network Using Swept Source OCT Optical Microangiography
      Purpose. We characterized the foveal avascular zone (FAZ) and the parafoveal capillary network in healthy subjects using swept source OCT optical microangiography (OMAG). Methods. We acquired OMAG images of the macula of 19 eyes (13 healthy individuals) using a prototype swept source laser OCT. En face images of the retinal vasculature were generated for superficial and deep inner retinal layers (SRL/DRL) in regions of interest 250 (ROI-250) and 500 ...
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    9. Effects of rigid contact lenses on optical coherence tomographic parameters in eyes with keratoconus

      Effects of rigid contact lenses on optical coherence tomographic parameters in eyes with keratoconus
      Background The aim was to evaluate the effect of irregular astigmatism on the retinal nerve fibre layer (RNFL), macular thickness and ganglion cell analysis obtained by spectral domain optical coherence tomography (OCT) in eyes with keratoconus. Methods Fifty-two eyes of 31 patients (20 females) with keratoconus that required correction of irregular astigmatism with rigid gas-permeable (RGP) contact lenses were included to this study. The average, superior, nasal, inferior, temporal and ...
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    10. Wide-field imaging of retinal vasculature using optical coherence tomography-based microangiography provided by motion tracking.

      Wide-field imaging of retinal vasculature using optical coherence tomography-based microangiography provided by motion tracking.
      ...idespread clinical use of the technology. Here, we report the results of retinal OMAG imaging obtained from a Zeiss Cirrus 5000 spectral domain OCT system with motion tracking capability achieved by a line scan ophthalmo...
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    11. Imaging of filtering blebs after implantation of the Ex-PRESS shunt with the use of the Visante optical coherence tomography

      Imaging of filtering blebs after implantation of the Ex-PRESS shunt with the use of the Visante optical coherence tomography
      AIM: To analyze the features of the filtering blebs following implantation of the Ex-PRESS glaucoma device (model P-50) with the aid of the Visante anterior segment optical coherence tomography (AS-OCT) METHODS: Five patients with open angle glaucomas were included in the study. They all underwent implantation of the Ex-PRESS device under a scleral flap. The surgical procedure was augmented with the use of mitomycin C subconjunctivally. The filtering blebs were ...
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    12. Systems and methods for improved ophthalmic imaging

      Systems and methods for improved ophthalmic imaging
      Systems and methods for improving ophthalmic imaging by correlating the location of a measurement on the pupil of the eye with a quality of the measurement and further controlling subsequent measurements based on the quality are presented. Aspects of the invention include obtaining optical coherence tomography (OCT) measurements through cataracts or other media opacities, obtaining B-scans with minimized tilt, and automated OCT data acquisition of select structures in the eye ...
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    13. A program to analyse optical coherence tomography images of the ciliary muscle

      A program to analyse optical coherence tomography images of the ciliary muscle
      Purpose To describe and validate bespoke software designed to extract morphometric data from ciliary muscle Visante Anterior Segment Optical Coherence Tomography (AS-OCT) images. Method Initially, to ensure the software was capable of appropriately applying tiered refractive index corrections and accurately measuring orthogonal and oblique parameters, 5 sets of custom-made rigid gas-permeable lenses aligned to simulate the sclera and ciliary muscle were imaged by the Visante AS-OCT and were analysed by ...
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    14. 1-15 of 1360 1 2 3 4 ... 89 90 91 »
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  2. About Carl Zeiss Meditec

    Carl Zeiss Meditec

    Carl Zeiss Meditec.  Ophthalmology Systems.  Carl Zeiss Meditec is an integrated medical technology company with two main areas of business activity.  In the field of ophthalmology we offer complete solutions for treating the four main eye ailments: vision defects (refraction), cataract, glaucoma and retinal disorders. Our products support doctors and patients to diagnose and treat these ailments efficiently and precisely, thus giving both of them clear benefits, not least by offering them a comprehensive disease management solution. The acquisition of Carl Zeiss Surgical has strengthened our leading market and competitive position for devices and systems in ophthalmic surgery.  Furthermore, we have secured an outstanding starting position in the growth market of neuro/ENT surgery. As the world‘s leading provider of surgical microscopes and visualisation solutions for these treatments, we will further expand our footprint in this area through organic growth and strategic expansion into adjacent market segments. In doing so, we want to develop into a solution provider in this area as well.  Carl Zeiss Meditec's medical technology portfolio is rounded off by innovative and promising future technologies such as intraoperative radiation therapy, which allows the targeted treatment of breast cancer and brain cancer during the operation stage itself.

  3. Quotes about Carl Zeiss Meditec

    1. I have come to rely on the Carl Zeiss Meditec brand for consistent and reliable technologies that are at the forefront of innovation and patient care.
      Ike K. Ahmed in Carl Zeiss Meditec Introduces New Suite of Ophthalmic Innovations
    2. Mr Taylor has been instrumental in making Meditec one of the leading companies in the field of ophthalmology in the past few years. My sincere thanks are due to him for his effort and dedication. I am pleased that Mr Taylor will continue to support us in the role of independent consultant and that we will be able to draw on his experience in future. Furthermore, I am convinced that we are ideally set with our current team to accelerate the proposed realisation of growth potential of Carl Zeiss Meditec.
      Michael Kaschke in Carl Zeiss Meditec reorganises management of its strategic business units
    3. Carl Zeiss Meditec received the highest overall Frost & Sullivan Competitive Metrics Score in the recently completed Strategic Analysis of Optical Imaging Technologies in U.S. Clinical Diagnostics Markets.
      In Frost & Sullivan Lauds Carl Zeiss Meditec for Dominating the OCT Market for Ophthalmic Applications