Yoshiaki Yasuno

Summary

Affiliation: University of Tsukuba
Country: Japan

Publications

  1. ncbi 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
  2. ncbi Three-dimensional line-field Fourier domain optical coherence tomography for in vivo dermatological investigation
    Yoshiaki Yasuno
    University of Tsukuba, Institute of Applied Physics, Tennodai 1 1 1, Tsukuba, Ibaraki 305 8573, Japan
    J Biomed Opt 11:014014. 2006
  3. ncbi Simultaneous B-M-mode scanning method for real-time full-range Fourier domain optical coherence tomography
    Yoshiaki Yasuno
    Institute of Applied Physics, University of Tsukuba, Tennodai 1 1 1, Ibaraki, Tsukuba 305 8573, Japan
    Appl Opt 45:1861-5. 2006
  4. ncbi Investigation of multifocal choroiditis with panuveitis by three-dimensional high-penetration optical coherence tomography
    Yoshiaki Yasuno
    Computational Optics Group, University of Tsukuba, Tennodai 1 1 1, Tsukuba, Ibaraki, Japan
    J Biophotonics 2:435-41. 2009
  5. ncbi 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. ncbi 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
  7. ncbi 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
  8. ncbi Three-dimensional retinal and choroidal capillary imaging by power Doppler optical coherence angiography with adaptive optics
    Kazuhiro Kurokawa
    Computational Optics Group, University of Tsukuba, Tsukuba, Japan
    Opt Express 20:22796-812. 2012
  9. ncbi 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
  10. ncbi Evaluation of trabeculectomy blebs using 3-dimensional cornea and anterior segment optical coherence tomography
    Keisuke Kawana
    Department of Ophthalmology, Institute of Clinical Medicine, University of Tsukuba, 1 1 1 Tennoudai, Tsukuba, Ibaraki, Japan
    Ophthalmology 116:848-55. 2009

Collaborators

Detail Information

Publications49

  1. ncbi 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...
  2. ncbi Three-dimensional line-field Fourier domain optical coherence tomography for in vivo dermatological investigation
    Yoshiaki Yasuno
    University of Tsukuba, Institute of Applied Physics, Tennodai 1 1 1, Tsukuba, Ibaraki 305 8573, Japan
    J Biomed Opt 11:014014. 2006
    ..1 x 1.4 x 1.3 mm. The acquisition time for a single cross section is 1 ms and that for a single volume is 10 s. The system sensitivity is 75.6 dB at a probe beam power of 1.1 mW...
  3. ncbi Simultaneous B-M-mode scanning method for real-time full-range Fourier domain optical coherence tomography
    Yoshiaki Yasuno
    Institute of Applied Physics, University of Tsukuba, Tennodai 1 1 1, Ibaraki, Tsukuba 305 8573, Japan
    Appl Opt 45:1861-5. 2006
    ..A simple but slow version of the FD-OCT visualizes the cross section of a plastic plate. A modified fast version of this FD-OCT investigates a sweat duct in a finger pad in vivo and visualizes it with an acquisition time of 27 ms...
  4. ncbi Investigation of multifocal choroiditis with panuveitis by three-dimensional high-penetration optical coherence tomography
    Yoshiaki Yasuno
    Computational Optics Group, University of Tsukuba, Tennodai 1 1 1, Tsukuba, Ibaraki, Japan
    J Biophotonics 2:435-41. 2009
    ....
  5. ncbi 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. ncbi 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...
  7. ncbi 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...
  8. ncbi Three-dimensional retinal and choroidal capillary imaging by power Doppler optical coherence angiography with adaptive optics
    Kazuhiro Kurokawa
    Computational Optics Group, University of Tsukuba, Tsukuba, Japan
    Opt Express 20:22796-812. 2012
    ..In conclusion, AO-OCA enables three-dimensional capillary imaging, and is especially useful for the detection of the choriocapillaris and choroidal capillary network...
  9. ncbi 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)...
  10. ncbi Evaluation of trabeculectomy blebs using 3-dimensional cornea and anterior segment optical coherence tomography
    Keisuke Kawana
    Department of Ophthalmology, Institute of Clinical Medicine, University of Tsukuba, 1 1 1 Tennoudai, Tsukuba, Ibaraki, Japan
    Ophthalmology 116:848-55. 2009
    ..To investigate the internal structures of trabeculectomy blebs using 3-dimensional cornea and anterior segment optical coherence tomography (3-D CAS OCT)...
  11. ncbi High-penetration swept source Doppler optical coherence angiography by fully numerical phase stabilization
    Young Joo Hong
    Computational Optics Group, University of Tsukuba, Tsukuba, Ibaraki, Japan
    Opt Express 20:2740-60. 2012
    ..En face projection image of squared power of Doppler shift is compared to ICGA, and the utility of our method is verified...
  12. ncbi 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...
  13. ncbi 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...
  14. ncbi 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...
  15. ncbi 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)...
  16. ncbi 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...
  17. ncbi Automated retinal shadow compensation of optical coherence tomography images
    Tapio Fabritius
    University of Tsukuba, Computational Optics Group, 1 1 1 Tennodai, Tsukuba, Ibaraki 305 8573 Japan
    J Biomed Opt 14:010503. 2009
    ..Removal of retinal shadows distinctly improved the readability of choroidal images...
  18. ncbi Repeatability and reproducibility of anterior ocular biometric measurements with 2-dimensional and 3-dimensional optical coherence tomography
    Shinichi Fukuda
    Department of Ophthalmology, University of Tsukuba, Ibaraki, Japan
    J Cataract Refract Surg 36:1867-73. 2010
    ....
  19. ncbi Repeatability and reproducibility of anterior chamber volume measurements using 3-dimensional corneal and anterior segment optical coherence tomography
    Shinichi Fukuda
    Department of Ophthalmology, University of Tsukuba, Ibaraki, Japan
    J Cataract Refract Surg 37:461-8. 2011
    ..To evaluate the repeatability and reproducibility of anterior chamber volume (ACV) measurements using swept-source 3-dimensional corneal and anterior segment optical coherence tomography (CAS-OCT) and dual Scheimpflug imaging...
  20. ncbi 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...
  21. ncbi 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...
  22. ncbi Adaptive optics retinal scanner for one-micrometer light source
    Kazuhiro Kurokawa
    Computational Optics Group in the University of Tsukuba, Tsukbua, Ibaraki, Japan
    Opt Express 18:1406-18. 2010
    ..With AO correction, we found that the residual RMS wavefront error of ocular aberration was less than 0.1 microm. We also found that the AO retinal scanner in the AO-SLO mode enabled enhanced observation of photoreceptor mosaic...
  23. ncbi 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...
  24. ncbi 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...
  25. ncbi Full-range, high-speed, high-resolution 1 microm spectral-domain optical coherence tomography using BM-scan for volumetric imaging of the human posterior eye
    Shuichi Makita
    Computational Optics Group in the University of Tsukuba, 1 1 1 Tennodai, Tsukuba, Ibaraki, 3058573, Japan
    Opt Express 16:8406-20. 2008
    ..The three-dimensional structure of the in vivo human optic nerve head with a very deep cupping is successfully visualized...
  26. ncbi Polarization contrast imaging of biological tissues by polarization-sensitive Fourier-domain optical coherence tomography
    Shuichi Makita
    Institute of Applied Physics, University of Tsukuba, 1 1 1 Tennodai, Tsukuba, Ibaraki 305 8573, Japan
    Appl Opt 45:1142-7. 2006
    ..Local polarization properties are obtained by longitudinal differentiation of Jones matrix components. The layered structure of the bovine tendon and birefringence are revealed...
  27. ncbi Anterior ocular biometry using 3-dimensional optical coherence tomography
    Shinichi Fukuda
    Department of Ophthalmology, Institute of Clinical Medicine, University of Tsukuba, 1 1 1 Tennoudai, Tsukuba, Ibaraki, Japan
    Ophthalmology 116:882-9. 2009
    ..To evaluate anterior ocular biometry by comparing the measurements of central corneal thickness (CCT) and anterior chamber depth (ACD) with 3-dimensional corneal and anterior segment optical coherence tomography (CAS-OCT) and other methods...
  28. ncbi Three-dimensional visualization of ocular vascular pathology by optical coherence angiography in vivo
    Masahiro Miura
    Department of Ophthalmology, Tokyo Medical University, Ibaraki Medical Center, Ibaraki, Japan
    Invest Ophthalmol Vis Sci 52:2689-95. 2011
    ..To evaluate the vascular architecture of polypoidal choroidal vasculopathy (PCV) using Doppler OCA...
  29. ncbi 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...
  30. ncbi Variable velocity range imaging of the choroid with dual-beam optical coherence angiography
    Franck Jaillon
    Computational Optics Group, University of Tsukuba, 1 1 1 Tennodai, Tsukuba, Ibaraki 305 8573, Japan
    Opt Express 20:385-96. 2012
    ..Combining these maps yields a semi-quantitative visualization of axial velocity of the choroidal circulation. The proposed technique may be useful for identifying choroidal abnormalities that occur in pathological conditions of the eye...
  31. ncbi Choroidal thickness measurement in healthy Japanese subjects by three-dimensional high-penetration optical coherence tomography
    Tetsuya Agawa
    Department of Ophthalmology, Tokyo Medical University, Ibaraki Medical Center, 3 20 1 Chuo, Ami, Inashiki, Ibaraki, 3000395, Japan
    Graefes Arch Clin Exp Ophthalmol 249:1485-92. 2011
    ..We performed retinal and choroidal thickness mapping by three-dimensional high-penetration optical coherence tomography (OCT) and evaluated the choroidal thickness distribution throughout the macula in healthy eyes...
  32. ncbi 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...
  33. ncbi High-Speed, swept-source optical coherence tomography: a 3-dimensional view of anterior chamber angle recession
    Keisuke Kawana
    Department of Ophthalmology, Institute of Clinical Medicine, University of Tsukuba, Ibaraki, Japan
    Acta Ophthalmol Scand 85:684-5. 2007
  34. ncbi 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
    ....
  35. ncbi Parabolic BM-scan technique for full range Doppler spectral domain optical coherence tomography
    Franck Jaillon
    Computational Optics Group in the University of Tsukuba, Tsukuba, Ibaraki, Japan
    Opt Express 18:1358-72. 2010
    ..Consequently, applying the proposed technique in retinal blood flow measurements may be useful for ophthalmologic diagnosis...
  36. ncbi 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...
  37. ncbi Anisotropic alteration of scleral birefringence to uniaxial mechanical strain
    Satoko Nagase
    Department of Ophthalmology, Tokyo Medical University, Ibaraki Medical Center, Ami, Ibaraki, Japan Computational Optics and Ophthalmology Group, Tsukuba, 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...
  38. ncbi 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...
  39. ncbi Wound architecture of clear corneal incision with or without stromal hydration observed with 3-dimensional optical coherence tomography
    Shinichi Fukuda
    Department of Ophthalmology, Institute of Clinical Medicine, University of Tsukuba, Ibaraki, Japan
    Am J Ophthalmol 151:413-9.e1. 2011
    ..To evaluate wound architectures of a clear corneal incision and the duration of stromal edema caused by intentional hydration in cataract surgery using 3-dimensional (3-D) cornea and anterior segment optical coherence tomography (OCT)...
  40. ncbi Extended depth of focus adaptive optics spectral domain optical coherence tomography
    Kazuhiro Sasaki
    Computational Optics Group in the University of Tsukuba, Tsukuba, Japan
    Biomed Opt Express 3:2353-70. 2012
    ..The results indicate that the focal range is extended by applying SA, and the direction of extension can be controlled by the sign of applied SA. Finally, we demonstrated in vivo human retinal imaging by altering the applied SA...
  41. ncbi 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...
  42. ncbi Quantitative retinal-blood flow measurement with three-dimensional vessel geometry determination using ultrahigh-resolution Doppler optical coherence angiography
    Shuichi Makita
    Computational Optics Group, University of Tsukuba, 1 1 1 Tenodai, Tsukuba, Ibaraki 305 8573, Japan
    Opt Lett 33:836-8. 2008
    ..The volumetric flow rate is obtained with the position and the region of the vessel lumen. The volumetric blood flow rate of retinal arteries before and after a bifurcation is verified in a healthy human eye...
  43. ncbi Choroidal thickness in central serous chorioretinopathy
    Sato Kuroda
    Department of Ophthalmology, Osaka University Graduate School of Medicine, Osaka, Japan
    Retina 33:302-8. 2013
    ..To study the choroidal thickness profile using high-penetration optical coherence tomography in central serous chorioretinopathy (CSC)...
  44. ncbi Three-dimensional imaging of the foveal photoreceptor layer in central serous chorioretinopathy using high-speed optical coherence tomography
    Yumiko Ojima
    Department of Ophthalmology and Visual Science, Kyoto University Graduate School of Medicine, Kyoto, Japan
    Ophthalmology 114:2197-207. 2007
    ..To describe the 3-dimensional (3-D) imaging of the pathologic changes in the foveal photoreceptor layer in eyes with central serous chorioretinopathy (CSC) using high-speed optical coherence tomography (OCT)...
  45. ncbi 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)...
  46. ncbi 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...
  47. ncbi 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...
  48. ncbi [Improved visualization of foveal pathologies using fourier-domain optical coherence tomography]
    Masanori Hangai
    Department of Ophthalmology and Visual Science, Kyoto University Graduate School of Medicine, Japan
    Nihon Ganka Gakkai Zasshi 111:509-17. 2007
    ..To demonstrate the improved visualization of pathological foveal structures by a prototytpe Fourier-domain optical coherence tomography instrument (FD-OCT)...
  49. ncbi Three-dimensional optical coherence tomography of granular corneal dystrophy
    Masahiro Miura
    Department of Ophthalmology, Tokyo Medical University, Tokyo, Japan
    Cornea 26:373-4. 2007
    ..To describe 3-dimensional optical coherence tomography (OCT) findings in a case of granular corneal dystrophy...