1. Articles from Yen-Po Chen

    1-3 of 3
    1. Outer Retinal Structural Alternation and Segmentation Errors in Optical Coherence Tomography Imaging in Patients with a History of Retinopathy of Prematurity

      Outer Retinal Structural Alternation and Segmentation Errors in Optical Coherence Tomography Imaging in Patients with a History of Retinopathy of Prematurity

      Purpose To evaluate retinal anatomy and segmentation errors from spectral domain optical coherence tomography (SD-OCT) imaging (MM5 protocol of RTVue-100; Optovue, Inc., Fremont, CA) in school-aged children. Design A prospective cohort study in a referral medical center. Methods 133 eyes of 133 patients were enrolled. Patients were grouped as those who were treated for retinopathy of prematurity (ROP) (ROP-Tx-group); those with spontaneously-regressed ROP (ROP-non-Tx-group); other premature patients (premature group); and full-term age-matched children (full-term group). Anatomy and segmentation errors of retina were evaluated by SD-OCT. Results The mean age at assessment was 9.5 years (range 4–16 years). The ...

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      Mentions: Visionix
    2. Visual Acuity, Optical Components, and Macular Abnormalities in Patients with a History of Retinopathy of Prematurity

      Visual Acuity, Optical Components, and Macular Abnormalities in Patients with a History of Retinopathy of Prematurity

      Purpose: To examine the optical components and spectral-domain optical coherence tomography (OCT) findings in children with a history of retinopathy of prematurity (ROP) and to identify any associations between the OCT findings and the visual acuities of the patients.Design: Prospective, case-controlled study.Participants and Controls: Children who were between 6 and 14 years of age were divided into the following 4 groups: Patients with a history of threshold ROP who had been treated using laser therapy or cryotherapy (group 1), patients with regressed ROP who had not received any treatment (group 2), patients who were born prematurely but who ...

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    3. Highly reproducible swept-source, dispersion-encoded full-range biometry and imaging of the mouse eye

      Highly reproducible swept-source, dispersion-encoded full-range biometry and imaging of the mouse eye
      We report a high-speed, dispersion-encoded, full-range (DEFR) swept-source optical coherence tomography system for in vivo ocular imaging and biometry of small animals. The fast DEFR algorithm removes the depth ambiguity, gives access to objects located at the zero delay position, and doubles the sampling depth to 2×5.0 mm (at −101 to −71 dB sensitivity) in a single scan using 2048 samples/depth scan 0.43 nm line width of a light source operating at 1056 nm with 70 nm tuning range. The acquisition speed (frames of 512 depth scans in 18.3 ms) permits precise on-line monitoring during ...
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    1-3 of 3
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    1. (2 articles) Chang Gung University
    2. (2 articles) Boston University
    3. (2 articles) Massachusetts General Hospital
    4. (1 articles) Cardiff University
    5. (1 articles) Medical University of Vienna
    6. (1 articles) Visionix
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    Highly reproducible swept-source, dispersion-encoded full-range biometry and imaging of the mouse eye Visual Acuity, Optical Components, and Macular Abnormalities in Patients with a History of Retinopathy of Prematurity Outer Retinal Structural Alternation and Segmentation Errors in Optical Coherence Tomography Imaging in Patients with a History of Retinopathy of Prematurity A novel algorithm for multiplicative speckle noise reduction in ex vivo human brain OCT images Volumetric characterization of microvasculature in ex vivo human brain samples by serial sectioning optical coherence tomography Depth of focus extension in optical coherence tomography using ultrahigh chromatic dispersion of zinc selenide Retinal changes in bipolar disorder as an endophenotype candidate: Comparison of OCT-detected retinal changes in patients, siblings, and healthy controls Intraoperative optical coherence tomography guided 25G micro-amount trajectory vitrectomy for the treatment of penetrating ocular injury caused by a foreign body in the right eye: A case study Optical coherence tomography angiography reveals paradoxically decreasing choroidal thickness & increasing blood flow in remitting Vogt Koyanagi Harada syndrome A comparison of macular ganglion cell and retinal nerve fibre layer optical coherence tomographic parameters as predictors of visual outcomes of surgery for pituitary tumours Fundus Changes Evaluated by OCTA in Patients With Cerebral Small Vessel Disease and Their Correlations: A Cross-Sectional Study Optical Coherence Tomography Combined with Fluorescein Fundus Angiography under Intelligent Algorithm to Evaluate the Clinical Efficacy of Ranibizumab Combined with Panretinal Photocoagulation in the Treatment of Macular Edema of Diabetic Retinopathy Pati