1. Carl Zeiss Meditec

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    1. Mentioned In 1301 Articles

    2. Test-Retest Variability of Retinal Nerve Fiber Layer Thickness and Macular Ganglion Cell-Inner Plexiform Layer Thickness Measurements Using Spectral-Domain Optical Coherence Tomography

      Test-Retest Variability of Retinal Nerve Fiber Layer Thickness and Macular Ganglion Cell-Inner Plexiform Layer Thickness Measurements Using Spectral-Domain Optical Coherence Tomography

      Purpose: To evaluate the test-retest variability of spectral-domain optical coherence tomography (OCT) in measurement of retinal nerve fiber layer (RNFL) thickness and macular ganglion cell-inner plexiform layer (GCIPL) thickness. Methods: A total of 65 eyes of healthy subjects were enrolled in this observational cross-sectional study. RNFL thickness and GCIPL thickness were measured using the repeat scan optic cube and macular cube protocol using Cirrus HD-OCT (software version 6.0). A single operator obtained 3 measurements during 1 session to determine test-retest variability. Intrasession repeatability was defined by intraclass correlation, limits of agreement, and coefficient of variation. Results: The mean age ...

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    3. Comparison of event-based analysis of glaucoma progression assessed subjectively on visual fields and retinal nerve fibre layer attenuation measured by optical coherence tomography

      Comparison of event-based analysis of glaucoma progression assessed subjectively on visual fields and retinal nerve fibre layer attenuation measured by optical coherence tomography
      ... fiber layer thickness in glaucoma. Arch Ophthalmol 123(4):464–470 Stratus OCT Model 3000 User Manual (2003) Carl Zeiss Meditec, Dublin Mills RP, Budenz DL, Lee PP, Noecker RJ, Walt JG, Siegartel LR et al (2006) Catego...
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    4. Effects of Misalignments in the Retinal Nerve Fiber Layer Thickness Measurements with Spectral Domain Optical Coherence Tomography

      Effects of Misalignments in the Retinal Nerve Fiber Layer Thickness Measurements with Spectral Domain Optical Coherence Tomography

      Purpose . To investigate misalignments (MAs) on retinal nerve fiber layer thickness (RNFLT) measurements obtained with SD-OCT. Methods . This was a retrospective, observational, cross-sectional study. Twenty-seven healthy and 29 glaucomatous eyes of 56 individuals with one normal exam and another showing MA were included. MAs were defined as an improper alignment of vertical vessels in the en face image. MAs were classified in complete MA (CMA) and partial MA (PMA), according to their site: 1 (superior, outside the measurement ring (MR)), 2 (superior, within MR), 3 (inferior, within MR), and 4 (inferior, outside MR). We compared RNFLT measurements of aligned versus ...

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    5. High-Speed Ultrahigh-Resolution OCT of Bruch's Membrane in Membranoproliferative Glomerulonephritis Type 2

      High-Speed Ultrahigh-Resolution OCT of Bruch's Membrane in Membranoproliferative Glomerulonephritis Type 2
      ... to Carl Zeiss Meditec and Optovue and has stock options in Optovue. Dr. Duker receives research support from Carl Zeiss Meditec and Optovue. The remaining authors have no financial or proprietary interest in the materia...
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    6. Intereye Comparison of Cirrus OCT in Early Glaucoma Diagnosis and Detecting Photographic Retinal Nerve Fiber Layer Abnormalities

      Intereye Comparison of Cirrus OCT in Early Glaucoma Diagnosis and Detecting Photographic Retinal Nerve Fiber Layer Abnormalities

      Purpose: To compare the ability of various maps constructed using Cirrus optical coherence tomography (OCT), including the "intereye comparison" derived from the temporal-superior-inferior-nasal-temporal (TSNIT) map, in terms of glaucoma diagnosis and detection of RNFL defects identified in red-free fundus photographs. Methods: This cross-sectional study was conducted on a total of 131 open-angle glaucoma patients with early-stage visual field defects (mean deviation ≤ -6.0 dB) and 56 normal controls. Intereye differences were identified on TSNIT maps constructed by comparing the RNFL thickness curves of both eyes of individual patients and a separation of the RNFL thickness curves of either eye (by ...

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    7. Retinal Ganglion Cell Analysis Using High-Definition Optical Coherence Tomography in Patients with Mild Cognitive Impairment and Alzheimer's Disease

      Retinal Ganglion Cell Analysis Using High-Definition Optical Coherence Tomography in Patients with Mild Cognitive Impairment and Alzheimer's Disease
      ...were selected from the Singapore Epidemiology of Eye Disease program. SD-OCT (CIRRUS, software version 6.0.2, Carl Zeiss Meditec Inc, Dublin, CA) was used to measure the GC-IPL and RNFL thicknesses. Results: Compared wit...
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    8. Optical coherence tomography shows early loss of the inferior temporal quadrant retinal nerve fiber layer in autosomal dominant optic atrophy

      Optical coherence tomography shows early loss of the inferior temporal quadrant retinal nerve fiber layer in autosomal dominant optic atrophy

      Purpose The aim of the study was to evaluate the relationship between visual function and retinal nerve fiber layer thickness (RNFLT) determined using Stratus optical coherence tomography (OCT) in patients with autosomal dominant optic atrophy (ADOA). Methods The study was a retrospective, institutional, and comparative case series. Thirty-six consecutive patients with ADOA and 72 age-matched normal controls were compared with regard to RNFLT, best-corrected visual acuity (BCVA), and visual field. Results The relative reduction of RNFLT of ADOA patients was most evident in the temporal quadrant (56.8 %), followed by the inferior (35.5 %), superior (27.2 %), and nasal quadrants ...

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    9. Baseline OCT Measurements in the Idiopathic Intracranial Hypertension Treatment Trial: Part II. Correlations and Relationship to Clinical Features

      Baseline OCT Measurements in the Idiopathic Intracranial Hypertension Treatment Trial: Part II. Correlations and Relationship to Clinical Features

      Purpose: The accepted method to evaluate and monitor papilledema, Frisén grading, is an ordinal approach based on descriptive features. Part I showed spectral domain (SD) optical coherence tomography (OCT) in a clinical trial setting provides reliable measurement of the effects of papilledema on the optic nerve head (ONH) and peripapillary retina, particularly if a 3D-segmentation method is used for analysis.1 We evaluated how OCT parameters are interrelated and how they correlate with vision and other clinical features in idiopathic intracranial hypertension (IIH). Methods: 126 subjects in the IIH Treatment Trial (IIHTT) OCT substudy had Cirrus SD-OCT optic disc ...

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    10. Baseline OCT Measurements in the Idiopathic Intracranial Hypertension Treatment Trial: Part I. Quality Control,Comparisons and Variability

      Baseline OCT Measurements in the Idiopathic Intracranial Hypertension Treatment Trial: Part I. Quality Control,Comparisons and Variability

      Purpose: Optical coherence tomography (OCT) has been utilized to investigate papilledema in single site, mostly retrospective studies. We investigated whether spectral domain OCT (SD-OCT), which provides thickness and volume measurements of the optic nerve and retina, could reliably demonstrate structural changes due to papilledema in a prospective multi-site clinical trial setting. Methods: At entry, 126 subjects in the Idiopathic Intracranial Hypertension Treatment Trial (IIHTT) with mild visual field loss had optic disc and macula scans using the Cirrus SD-OCT. Images were analyzed using the proprietary commercial and custom 3-D segmentation algorithms to calculate retinal nerve fiber layer (RNFL), total retinal ...

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    11. 1-15 of 1301 1 2 3 4 ... 85 86 87 »
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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