1. Articles from Martha Kim

    1-4 of 4
    1. Spectral-domain optical coherence tomography in manifest glaucoma: its additive role in structural diagnosis

      Spectral-domain optical coherence tomography in manifest glaucoma: its additive role in structural diagnosis

      Purpose To investigate the additive role of spectral-domain optical coherence tomography (SD-OCT) in the structural diagnosis in glaucoma. Design Reliability and validity analysis. Methods Structural examinations from 109 eyes of 109 healthy individuals and 151 eyes of 151 glaucoma patients with different severities were included. Four structural-diagnostic examination sets were prepared using stereo optic disc photography (SDP), red-free retinal nerve fiber layer photography (RNFLP), and SD-OCT: (1) SDP (S), (2) SDP and SD-OCT (SO), (3) SDP and RNFLP (SR), and (4) SDP, RNFLP, and SD-OCT (SRO). Five glaucoma specialists were instructed to classify subjects as normal or glaucoma using each ...

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    2. Additive Diagnostic Role of Imaging in Glaucoma: Optical Coherence Tomography and Retinal Nerve Fiber Layer Photography

      Additive Diagnostic Role of Imaging in Glaucoma: Optical Coherence Tomography and Retinal Nerve Fiber Layer Photography

      Purpose: To investigate the additive diagnostic role of spectral-domain optical coherence tomography (SD-OCT) and red-free retinal nerve fiber layer photography (RNFLP) in making clinical glaucoma diagnosis. Methods: Four diagnostic combination sets, including the most recent image from each measurement of 196 glaucoma eyes (including the 44 preperimetric glaucoma eyes) and 101 healthy eyes, were prepared: (1) stereo disc photography and Humphrey visual field (SH); (2) SH and SD-OCT (SHO); (3) SH and RNFLP (SHR); 4) SHR and SD-OCT (SHRO). Each randomly sorted set was serially presented at one-month intervals to five glaucoma specialists who were asked to evaluate them in ...

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    3. Low Limit for Effective Signal Strength in the Stratus OCT in Imperative Low Signal Strength Cases

      Low Limit for Effective Signal Strength in the Stratus OCT in Imperative Low Signal Strength Cases

      PurposeTo determine the lowest limit of signal strength that is still effective for accurate analysis of optic coherence tomography (OCT) values, we investigated the reproducibility of OCT scans by signal strength (SS). MethodsA total of 668 subjects were scanned for measurements of retinal nerve fiber layer (RNFL) thickness using the Stratus OCT twice on the same day. The variability of overall RNFL thickness parameters obtained at different SS was analyzed and compared by repeated-measures of ANOVA and Spearman's correlation coefficient. Values of the intraclass correlation coefficient (ICC) and variability (standard deviation) of RNFL thickness were obtained. The false positive ...

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    4. Changes in Anterior Chamber Configuration after Cataract Surgery as Measured by Anterior Segment Optical Coherence Tomography

      Changes in Anterior Chamber Configuration after Cataract Surgery as Measured by Anterior Segment Optical Coherence Tomography

      Purpose To evaluate the changes in anterior chamber depth (ACD) and angle width induced by phacoemulsification and intraocular lens (IOL) implantation in normal eyes using anterior segment optical coherence tomography (AS-OCT). Methods Forty-five eyes (45 patients) underwent AS-OCT imaging to evaluate anterior chamber configuration before and 2 days after phacoemulsification and IOL implantation. We analyzed the central ACD and angle width using different methods: anterior chamber angle (ACA), trabecular-iris angle (TIA), angle opening distance (AOD), and trabecular iris surface area (TISA) in the nasal and temporal quadrants. Comparison between preoperative and postoperative measurement was done using paired t-tests and each ...

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    1-4 of 4
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    1. (4 articles) Seoul National University
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    Changes in Anterior Chamber Configuration after Cataract Surgery as Measured by Anterior Segment Optical Coherence Tomography Low Limit for Effective Signal Strength in the Stratus OCT in Imperative Low Signal Strength Cases Additive Diagnostic Role of Imaging in Glaucoma: Optical Coherence Tomography and Retinal Nerve Fiber Layer Photography Spectral-domain optical coherence tomography in manifest glaucoma: its additive role in structural diagnosis Optical Coherence Tomography: Critical Tool to Manage Expectations after Cataract Extraction Improving the characterization of ex vivo human brain optical properties using high numerical aperture optical coherence tomography by spatially constraining the confocal parameters Choroidal, macular and ganglion cell layer thickness assessment in Caucasian children measured with spectral domain optical coherence tomography Examination of retinal vascular density changes via optical coherence tomography angiography in patients with glaucoma 3D reconstruction of coronary artery bifurcations from coronary angiography and optical coherence tomography: feasibility, validation, and reproducibility Age- and refraction-related changes in anterior segment anatomical structures measured by swept-source anterior segment OCT The evaluation of juvenile ocular hypertension by optical coherence tomography angiography Superficial capillary perfusion on optical coherence tomography angiography differentiates moderate and severe nonproliferative diabetic retinopathy