World's Best Scientists 2026 revealed!
Tetsuro Oshika

Tetsuro Oshika

D-Index & Metrics

Medicine

D-Index
82
Citations
23794
World Ranking
16155
National Ranking
502

Tetsuro Oshika publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Tetsuro Oshika sits on this spectrum.

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 610 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 757 publications — 85th percentile

85% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

Tetsuro Oshika D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Tetsuro Oshika sits on this spectrum.

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 399 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 82 D-Index — 21st percentile

21% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Overview

Tetsuro Oshika is affiliated with the University of Tsukuba in Japan and focuses primarily on medical research, with a concentration in ophthalmology. Their work encompasses a wide range of topics related to eye diseases, surgical procedures, and visual impairment studies.

Their research spans numerous subfields within medicine, including:

  • Ophthalmology
  • Radiology, Nuclear Medicine and Imaging
  • Epidemiology
  • Public Health, Environmental and Occupational Health
  • Biomedical Engineering

Oshika's main topics of study include:

  • Intraocular Surgery and Lenses
  • Ophthalmology and Visual Impairment Studies
  • Corneal surgery and disorders
  • Glaucoma and retinal disorders
  • Retinal Diseases and Treatments
  • Retinal and Optic Conditions
  • Retinal and Macular Surgery

The scientist has published extensively across several venues. Their frequent publication venues include:

  • Scientific Reports
  • Japanese Journal of Ophthalmology
  • Journal of Clinical Medicine
  • Journal of Cataract & Refractive Surgery
  • PLoS ONE

Co-authorship collaborations are an important part of Oshika's academic work. Frequent co-authors include:

  • Takahiro Hiraoka
  • Fumiki Okamoto
  • Shohei Morikawa
  • Tomoya Murakami
  • Yoshimi Sugiura

Representative recent papers authored or co-authored by Oshika include:

  • "Efficacy and safety of 0.01% atropine for prevention of childhood myopia in a 2-year randomized placebo-controlled study," 2021, Japanese Journal of Ophthalmology
  • "Optical coherence tomography-based tissue dynamics imaging for longitudinal and drug response evaluation of tumor spheroids," 2020, Biomedical Optics Express
  • "Cytoplasmic synthesis of endogenous Alu complementary DNA via reverse transcription and implications in age-related macular degeneration," 2021, Proceedings of the National Academy of Sciences
  • "Alu complementary DNA is enriched in atrophic macular degeneration and triggers retinal pigmented epithelium toxicity via cytosolic innate immunity," 2021, Science Advances
  • "Mid-term and long-term clinical assessments of a new 1-piece hydrophobic acrylic IOL with hydroxyethyl methacrylate," 2020, Journal of Cataract & Refractive Surgery

Best Publications

  • Comparison of corneal wavefront aberrations after photorefractive keratectomy and laser in situ keratomileusis

    Tetsuro Oshika;Stephen D Klyce;Raymond A Applegate;Howard C Howland

  • Long-term effect of overnight orthokeratology on axial length elongation in childhood myopia: a 5-year follow-up study.

    Takahiro Hiraoka;Tetsuhiko Kakita;Fumiki Okamoto;Hideto Takahashi

  • Influence of Overnight Orthokeratology on Axial Elongation in Childhood Myopia

    Tetsuhiko Kakita;Takahiro Hiraoka;Tetsuro Oshika

  • Changes in corneal wavefront aberrations with aging.

    Tetsuro Oshika;Stephen D. Klyce;Raymond A. Applegate;Howard C. Howland

  • Ocular Higher-Order Aberrations and Contrast Sensitivity after Conventional Laser In Situ Keratomileusis

    Nayori Yamane;Kazunori Miyata;Tomokazu Samejima;Takahiro Hiraoka

  • Adhesion of lens capsule to intraocular lenses of polymethylmethacrylate, silicone, and acrylic foldable materials: an experimental study

    Tetsuro Oshika;Toyofumi Nagata;Yasuo Ishii

  • Changes in anterior and posterior corneal curvatures in keratoconus

    Atsuo Tomidokoro;Tetsuro Oshika;Shiro Amano;Shiro Higaki

  • Age-related changes in corneal and ocular higher-order wavefront aberrations

    Shiro Amano;Yuki Amano;Satoru Yamagami;Takashi Miyai

  • Higher order wavefront aberrations of cornea and magnitude of refractive correction in laser in situ keratomileusis

    Tetsuro Oshika;Kazunori Miyata;Tadatoshi Tokunaga;Tomokazu Samejima

  • Psychometric properties of the 25-item National Eye Institute Visual Function Questionnaire (NEI VFQ-25), Japanese version

    Yoshimi Suzukamo;Tetsuro Oshika;Mitsuko Yuzawa;Yoshihiro Tokuda

  • cGAS drives noncanonical-inflammasome activation in age-related macular degeneration

    Nagaraj Kerur;Nagaraj Kerur;Shinichi Fukuda;Shinichi Fukuda;Daipayan Banerjee;Daipayan Banerjee;Younghee Kim;Younghee Kim

  • Advanced glycation end products in diabetic corneas.

    Yuichi Kaji;Tomohiko Usui;Tetsuro Oshika;Masao Matsubara

  • Factors affecting the forward shift of posterior corneal surface after laser in situ keratomileusis.

    Tae Min Baek;Kyung Hun Lee;Fumie Kagaya;Atsuo Tomidokoro

  • Corneal thickness measurements: scanning-slit corneal topography and noncontact specular microscopy versus ultrasonic pachymetry.

    Shigenobu Suzuki;Tetsuro Oshika;Tetsuro Oshika;Kotaro Oki;Isao Sakabe

  • Fast-forming hydrogel with ultralow polymeric content as an artificial vitreous body

    Kaori Hayashi;Fumiki Okamoto;Sujin Hoshi;Takuya Katashima

  • Contrast Sensitivity Function and Ocular Higher-Order Wavefront Aberrations in Normal Human Eyes

    Tetsuro Oshika;Chikako Okamoto;Tomokazu Samejima;Tadatoshi Tokunaga

  • Two year clinical study of a soft acrylic intraocular lens

    Tetsuro Oshika;Yukari Suzuki;Hirofumi Kizaki;Shigeo Yaguchi

  • The impact of cataract surgery on cognitive impairment and depressive mental status in elderly patients.

    Kotaro Ishii;Takamichi Kabata;Tetsuro Oshika

  • Wavefront Analysis in Eyes With Nuclear or Cortical Cataract

    Teruhito Kuroda;Takashi Fujikado;Naoyuki Maeda;Tetsuro Oshika

  • Postsurgical inflammation after phacoemulsification and extracapsular extraction with soft or conventional intraocular lens implantation

    Tetsuro Oshika;Koichi Yoshimura;Norio Miyata

Frequent Co-Authors

Shiro Amano
Shiro Amano University of Tokyo
Makoto Araie
Makoto Araie University of Tokyo
Kanjiro Miyata
Kanjiro Miyata University of Tokyo
Shinji Fukuda
Shinji Fukuda Kanagawa Institute of Technology
Kazuo Tsubota
Kazuo Tsubota Keio University
Takamasa Sakai
Takamasa Sakai University of Tokyo
Tatsuro Ishibashi
Tatsuro Ishibashi Kyushu University
Yasuo Tano
Yasuo Tano Osaka University
Masahiro Miura
Masahiro Miura Osaka University
Masashi Fukayama
Masashi Fukayama University of Tokyo

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