Masahiro Yamanari

Summary

Affiliation: University of Tsukuba
Country: Japan

Publications

  1. doi request reprint Full-range polarization-sensitive swept-source optical coherence tomography by simultaneous transversal and spectral modulation
    Masahiro Yamanari
    Computational Optics Group in the University of Tsukuba, Tsukuba, Ibaraki, Japan
    Opt Express 18:13964-80. 2010
  2. ncbi request reprint Visualization of phase retardation of deep posterior eye by polarization-sensitive swept-source optical coherence tomography with 1-microm probe
    Masahiro Yamanari
    Computational Optics Group in the University of Tsukuba, Tsukuba, Ibaraki, Japan
    Opt Express 17:12385-96. 2009
  3. ncbi request reprint Polarization-sensitive swept-source optical coherence tomography with continuous source polarization modulation
    Masahiro Yamanari
    Computational Optics Group in the University of Tsukuba, Tsukuba, Ibaraki, Japan
    Opt Express 16:5892-906. 2008
  4. doi request reprint Phase retardation measurement of retinal nerve fiber layer by polarization-sensitive spectral-domain optical coherence tomography and scanning laser polarimetry
    Masahiro Yamanari
    University of Tsukuba, Computational Optics Group, 1 1 1 Tennodai, Tsukuba, Ibaraki 305 8573, Japan
    J Biomed Opt 13:014013. 2008
  5. ncbi request reprint Investigation of post-glaucoma-surgery structures by three-dimensional and polarization sensitive anterior eye segment optical coherence tomography
    Yoshiaki Yasuno
    Computational Optics Group in the University of Tsukuba, Tsukuba, Ibaraki, Japan
    Opt Express 17:3980-96. 2009
  6. doi request reprint Tissue discrimination in anterior eye using three optical parameters obtained by polarization sensitive optical coherence tomography
    Arata Miyazawa
    Computational Optics Group in University of Tsukuba, Ibaraki, Japan
    Opt Express 17:17426-40. 2009
  7. pmc Optical rheology of porcine sclera by birefringence imaging
    Masahiro Yamanari
    Computational Optics Group in the University of Tsukuba, Tsukuba, Japan
    PLoS ONE 7:e44026. 2012
  8. pmc Anisotropic alteration of scleral birefringence to uniaxial mechanical strain
    Satoko Nagase
    Department of Ophthalmology, Tokyo Medical University, Ibaraki Medical Center, Ami, Ibaraki, Japan
    PLoS ONE 8:e58716. 2013
  9. doi request reprint Visualization of sub-retinal pigment epithelium morphologies of exudative macular diseases by high-penetration optical coherence tomography
    Yoshiaki Yasuno
    Computational Optics Group, Institute of Applied Physics, University of Tsukuba, Tennodai 1 1 1, Tsukuba, Ibaraki, 305 8573, Japan
    Invest Ophthalmol Vis Sci 50:405-13. 2009
  10. doi request reprint Comparison of three-dimensional optical coherence tomography and combining a rotating Scheimpflug camera with a Placido topography system for forme fruste keratoconus diagnosis
    Shinichi Fukuda
    Department of Ophthalmology, Institute of Clinical Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
    Br J Ophthalmol 97:1554-9. 2013

Collaborators

Detail Information

Publications25

  1. doi request reprint Full-range polarization-sensitive swept-source optical coherence tomography by simultaneous transversal and spectral modulation
    Masahiro Yamanari
    Computational Optics Group in the University of Tsukuba, Tsukuba, Ibaraki, Japan
    Opt Express 18:13964-80. 2010
    ..4 microm in tissue. Full-range polarization-sensitive retinal images showed characteristic birefringence of fibrous tissues such as retinal nerve fiber, sclera, and lamina cribrosa...
  2. ncbi request reprint Visualization of phase retardation of deep posterior eye by polarization-sensitive swept-source optical coherence tomography with 1-microm probe
    Masahiro Yamanari
    Computational Optics Group in the University of Tsukuba, Tsukuba, Ibaraki, Japan
    Opt Express 17:12385-96. 2009
    ..In addition, unlike conventional OCT, our PS-SS-OCT showed polarization-insensitive intensity images, in which an artifact created by the birefringence of sclera has been successfully eliminated...
  3. ncbi request reprint Polarization-sensitive swept-source optical coherence tomography with continuous source polarization modulation
    Masahiro Yamanari
    Computational Optics Group in the University of Tsukuba, Tsukuba, Ibaraki, Japan
    Opt Express 16:5892-906. 2008
    ..The phase retardation image shows an additional contrast in the fibrous tissue such as the collagen fiber in the trabecular meshwork and sclera...
  4. doi request reprint Phase retardation measurement of retinal nerve fiber layer by polarization-sensitive spectral-domain optical coherence tomography and scanning laser polarimetry
    Masahiro Yamanari
    University of Tsukuba, Computational Optics Group, 1 1 1 Tennodai, Tsukuba, Ibaraki 305 8573, Japan
    J Biomed Opt 13:014013. 2008
    ..PS-SD-OCT can measure the cumulative phase retardation of RNFL as well as SLP, which will allow the evaluation of RNFL for glaucomatous eyes...
  5. ncbi request reprint Investigation of post-glaucoma-surgery structures by three-dimensional and polarization sensitive anterior eye segment optical coherence tomography
    Yoshiaki Yasuno
    Computational Optics Group in the University of Tsukuba, Tsukuba, Ibaraki, Japan
    Opt Express 17:3980-96. 2009
    ..Interactive 3D datasets of all cases are provided for interactive clinical review. Complex raw 3D OCT volumes are also provided as a reference dataset for the development of PS-OCT algorithms...
  6. doi request reprint Tissue discrimination in anterior eye using three optical parameters obtained by polarization sensitive optical coherence tomography
    Arata Miyazawa
    Computational Optics Group in University of Tsukuba, Ibaraki, Japan
    Opt Express 17:17426-40. 2009
    ..A marker was injected into sub-Tenon's space and the tissues that were anterior to the marker and posterior to the marker were successfully segmented by our algorithm...
  7. pmc Optical rheology of porcine sclera by birefringence imaging
    Masahiro Yamanari
    Computational Optics Group in the University of Tsukuba, Tsukuba, Japan
    PLoS ONE 7:e44026. 2012
    ..To investigate a relationship between birefringence and elasticity of porcine sclera ex vivo using polarization-sensitive optical coherence tomography (PS-OCT)...
  8. pmc Anisotropic alteration of scleral birefringence to uniaxial mechanical strain
    Satoko Nagase
    Department of Ophthalmology, Tokyo Medical University, Ibaraki Medical Center, Ami, Ibaraki, Japan
    PLoS ONE 8:e58716. 2013
    ..To investigate the relationship between scleral mechanical properties, its birefringence, and the anisotropy of birefringence alteration in respect of the direction of the strain by using PS-OCT...
  9. doi request reprint Visualization of sub-retinal pigment epithelium morphologies of exudative macular diseases by high-penetration optical coherence tomography
    Yoshiaki Yasuno
    Computational Optics Group, Institute of Applied Physics, University of Tsukuba, Tennodai 1 1 1, Tsukuba, Ibaraki, 305 8573, Japan
    Invest Ophthalmol Vis Sci 50:405-13. 2009
    ..To evaluate the clinical significance of the newly developed long-wavelength probe optical coherence tomography (LP-OCT) for the diagnosis of exudative macular diseases...
  10. doi request reprint Comparison of three-dimensional optical coherence tomography and combining a rotating Scheimpflug camera with a Placido topography system for forme fruste keratoconus diagnosis
    Shinichi Fukuda
    Department of Ophthalmology, Institute of Clinical Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
    Br J Ophthalmol 97:1554-9. 2013
    ....
  11. doi request reprint Dual-beam-scan Doppler optical coherence angiography for birefringence-artifact-free vasculature imaging
    Shuichi Makita
    Computational Optics Group in the University of Tsukuba, 1 1 1 Tennodai, Tsukuba, Ibaraki 305 8573, Japan
    Opt Express 20:2681-92. 2012
    ..High-speed and high-sensitivity micro-vasculature imaging involving birefringent tissues is available with polarization multiplexing DB-OCA...
  12. doi request reprint Generalized Jones matrix optical coherence tomography: performance and local birefringence imaging
    Shuichi Makita
    Computational Optics Group in University of Tsukuba, Tsukuba, Ibaraki, Japan
    Opt Express 18:854-76. 2010
    ..The theoretical analysis suggests that the measurements with two orthogonal input polarization states have the lowest retardation error. Local birefringence imaging is applied to the human anterior eye chamber and skin in vivo...
  13. doi request reprint Visibility of trabecular meshwork by standard and polarization-sensitive optical coherence tomography
    Yoshiaki Yasuno
    University of Tsukuba, Computational Optics Group and Computational Optics and Ophthalmology Group, Ibaraki, Japan
    J Biomed Opt 15:061705. 2010
    ..A subsequent Wilcoxon signed-rank test reveals significantly improved visibility. PS-CAS-OCT may become a useful tool for screening angle-closure glaucoma...
  14. doi request reprint Automated phase retardation oriented segmentation of chorio-scleral interface by polarization sensitive optical coherence tomography
    Lian Duan
    Computational Optics Group, Tsukuba, Ibaraki, Japan
    Opt Express 20:3353-66. 2012
    ..Applications of this algorithm are demonstrated on in vivo posterior images acquired by a PS-OCT system with 1-μm probe...
  15. doi request reprint Comprehensive in vivo micro-vascular imaging of the human eye by dual-beam-scan Doppler optical coherence angiography
    Shuichi Makita
    Computational Optics Group in University of Tsukuba, Tsukuba, Ibaraki, Japan
    Opt Express 19:1271-83. 2011
    ..The demonstrated results show that this technique may be used for comprehensive ophthalmic angiography to evaluate the vasculature of the posterior human eye and to diagnose variety of vascular diseases...
  16. doi request reprint Keratoconus diagnosis using anterior segment polarization-sensitive optical coherence tomography
    Shinichi Fukuda
    Department of Ophthalmology, Institute of Clinical Medicine, University of Tsukuba, Ibaraki, Japan
    Invest Ophthalmol Vis Sci 54:1384-91. 2013
    ....
  17. doi request reprint Three-dimensional anterior segment optical coherence tomography of filtering blebs after trabeculectomy
    Masahiro Miura
    Department of Ophthalmology, Tokyo Medical University, Kasumigaura Hospital, Ibaraki, Japan
    J Glaucoma 17:193-6. 2008
    ..To evaluate trabeculectomy blebs by using 3-dimensional anterior segment optical coherence tomography (OCT)...
  18. doi request reprint Polarization-sensitive optical coherence tomography of necrotizing scleritis
    Masahiro Miura
    Department of Ophthalmology, Tokyo Medical University, Kasumigaura Hospital, Inashiki, Ibaraki, Japan
    Ophthalmic Surg Lasers Imaging 40:607-10. 2009
    ..Polarization-sensitive optical coherence tomography is useful as a contrast engine of the anterior eye segment and for the evaluation of pathological change in the sclera...
  19. doi request reprint Simultaneous high-resolution retinal imaging and high-penetration choroidal imaging by one-micrometer adaptive optics optical coherence tomography
    Kazuhiro Kurokawa
    Computational Optics Group in the University of Tsukuba, Tsukuba, Ibaraki, Japan
    Opt Express 18:8515-27. 2010
    ..Simultaneous high-resolution and high-penetration choroidal imaging may be useful for microstructural investigation of photoreceptors and glaucomatous nerve-fiber abnormalities...
  20. doi request reprint Relationship between changes in crystalline lens shape and axial elongation in young children
    Kotaro Ishii
    Department of Ophthalmology, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan
    Invest Ophthalmol Vis Sci 54:771-7. 2013
    ..To evaluate the relationship between changes in crystalline lens shape and axial elongation during growth in young children...
  21. doi request reprint Passive component based multifunctional Jones matrix swept source optical coherence tomography for Doppler and polarization imaging
    Yiheng Lim
    Computational Optics Group, University of Tsukuba, Tsukuba, Ibaraki, Japan
    Opt Lett 37:1958-60. 2012
    ..An eighth-wave plate was measured to demonstrate the polarization detection accuracy. The optic nerve head of a retina was measured in vivo. Detailed vasculature and birefringent structures were investigated simultaneously...
  22. doi request reprint Monte-Carlo-based phase retardation estimator for polarization sensitive optical coherence tomography
    Lian Duan
    Computational Optics Group at the University of Tsukuba, Tsukuba, Ibaraki, Japan
    Opt Express 19:16330-45. 2011
    ..This method is validated both by numerical simulations and experiments. The application of this method to in vitro and in vivo biological samples is also demonstrated...
  23. pmc Imaging polarimetry in age-related macular degeneration
    Masahiro Miura
    Computational Optics and Ophthalmology Group, Tokyo Medical University, Tokyo, Japan
    Invest Ophthalmol Vis Sci 49:2661-7. 2008
    ..To compare the information from two techniques--scanning laser polarimetry (GDx) and polarization-sensitive spectral-domain optical coherence tomography (OCT)--and investigate how they complement each other...
  24. doi request reprint In vivo three-dimensional birefringence analysis shows collagen differences between young and old photo-aged human skin
    Shingo Sakai
    Basic Research Laboratory, Kanebo Cosmetics Inc, Kanagawa, Japan
    J Invest Dermatol 128:1641-7. 2008
    ..The maps suggested that the peripheral regions of some infundibula were surrounded by a strong collagen network. Three-dimensional analyses of dermal birefringence using PS-OCT help to quantify the diagnosis of photoaging...
  25. ncbi request reprint Three-dimensional imaging of macular holes with high-speed optical coherence tomography
    Masanori Hangai
    Department of Ophthalmology and Visual Science, Kyoto University Graduate School of Medicine, Kyoto, Japan
    Ophthalmology 114:763-73. 2007
    ..To demonstrate the advantages of 3-dimensional imaging of macular hole pathology using new-generation high-speed optical coherence tomography (OCT)...