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Hospital / health system · Fukuoka · Japan

Hayashi Eye Hospital

In research, Hayashi Eye Hospital stands highest in Medicine (#13,315 of 17,978 worldwide) and Health Sciences (#16,377 of 20,462 worldwide), over all time. Relative to its size it is most specialised in Medicine — Medicine is 3.7× its share of world research.

hayashi.or.jpROR OpenAlex
World rank, all time
#30,506
of 42,892
Rank in Japan
#1,249
of 2,112
Research works
362
▲ 52% vs 2013–17
Citations
7.3k
20.0 per fractional work
Top-10% rate
7.4%
record average 16.5%
Open access
47%
world 28%

What is Hayashi Eye Hospital known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
MedicineField #13,315 of 17,978 15.9%237
Health SciencesDomain #16,377 of 20,462 15.6%248

Each strip is that field’s whole ranked pool, with the notch where Hayashi Eye Hospital sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

What does Hayashi Eye Hospital specialise in?

Where its research is concentrated relative to its size: Medicine takes 3.7× the share of its output that it takes of world research.

  1. MedicineField · 32.9 works3.7×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.74× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.96× its world share, 2 worksBiochemistry, Geneti…Immunology and Microbiology: 0.82× its world share, 0 worksImmunology and Micro…Neuroscience: 1.68× its world share, 1 worksNeuroscienceComputer Science: 0.12× its world share, 0 worksComputer ScienceEarth and Planetary Sciences: 0.43× its world share, 0 worksEarth and Planetary …Energy: 0.26× its world share, 0 worksEnergyEngineering: 0.17× its world share, 1 worksEngineeringEnvironmental Science: 0.34× its world share, 1 worksEnvironmental ScienceMaterials Science: 0.28× its world share, 0 worksMaterials ScienceDentistry: 0.19× its world share, 0 worksDentistryHealth Professions: 0.41× its world share, 0 worksHealth ProfessionsMedicine: 3.70× its world share, 33 worksMedicineNursing: 0.37× its world share, 0 worksNursingVeterinary: 2.65× its world share, 0 worksVeterinaryArts and Humanities: 0.33× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.15× its world share, 0 worksBusiness, Management…Economics, Econometrics and Finance: 0.13× its world share, 0 worksEconomics, Econometr…Psychology: 0.57× its world share, 1 worksPsychologySocial Sciences: 0.35× its world share, 2 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 3.7×. Every wedge is a field page.

Who are the top researchers at Hayashi Eye Hospital?

Ranked on the composite score, Ken Hayashi and Motoaki Yoshida lead among researchers whose main affiliation is Hayashi Eye Hospital.

  1. 1 Ken Hayashi Japan · #734,456 worldwide 186 citations · 124 works
  2. 2 Motoaki Yoshida Japan · #1,267,624 worldwide 10 citations · 17 works
All ranked researchers at Hayashi Eye Hospital

Which keywords describe research at Hayashi Eye Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Myopia, Glaucoma, Intraocular Pressure, Refractive Error, Visual Impairment, Femtosecond Laser and Intraocular Lens Implantation.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 27 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 27 words, with their numbers
  1. Epidemiology8▲ 4.5×24 topics
  2. Myopia6▲ 226×2 topics
  3. Glaucoma5▲ 76×2 topics
  4. Intraocular Pressure5▲ 122×2 topics
  5. Refractive Error4▲ 259×1 topic
  6. Visual Impairment4▲ 205×1 topic
  7. Risk Factors3▲ 6.1×7 topics
  8. Femtosecond Laser3▲ 132×1 topic
  9. Intraocular Lens Implantation3▲ 242×1 topic
  10. Corneal Biomechanics2▲ 167×1 topic
  11. Keratoconus2▲ 167×1 topic
  12. Optic Nerve2▲ 49×1 topic
  13. Retinal Ganglion Cells2▲ 44×1 topic
  14. Inflammation2▲ 1.70×12 topics
  15. Macular Hole2▲ 167×1 topic
  16. Vitreoretinal Surgery2▲ 167×1 topic
  17. Clinical Trials2▲ 4.9×7 topics
  18. Low Back Pain1▲ 15×2 topics
  19. Surgical Management1▲ 6.2×7 topics
  20. Treatment1▲ 2.1×11 topics
  21. Corporate Governance1▲ 3.1×2 topics
  22. Genetic Mutations1▲ 5.3×9 topics
  23. Global Burden1▲ 4.3×4 topics
  24. Complications1▲ 4.4×6 topics
  25. Gender Diversity1▲ 63×1 topic
  26. Leadership1▲ 4.5×1 topic
  27. Psychological Factors1▲ 10×2 topics

Which research topics does Hayashi Eye Hospital publish most on?

By volume in 2022–2025: Ophthalmology and Visual Impairment Studies, Intraocular Surgery and Lenses, Corneal surgery and disorders and Glaucoma and retinal disorders.

Ophthalmology and Visual…4Ophthalmology and Visual Impairment Studies: 4 fractional worksIntraocular Surgery and Lenses: 3 fractional worksCorneal surgery and disorders: 2 fractional worksGlaucoma and retinal disorders: 2 fractional worksRetinal and Macular Surgery: 2 fractional worksGender Diversity and Ine…1Gender Diversity and Inequality: 1 fractional worksOcular Surface and Contact Lens: 1 fractional worksDiabetes Treatment and Management: 1 fractional worksMusculoskeletal pain and rehabilitation: 1 fractional worksConnexins and lens biology: 1 fractional works
EpidemiologyOphthalmologyRadiology, Nuclear Medicine and ImagingGender Studies4 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Ophthalmology and Visual Impairment Studies Epidemiology 4 works
  2. 2 Intraocular Surgery and Lenses Ophthalmology 3 works
  3. 3 Corneal surgery and disorders Radiology, Nuclear Medicine and Imaging 2 works
  4. 4 Glaucoma and retinal disorders Ophthalmology 2 works
  5. 5 Retinal and Macular Surgery Radiology, Nuclear Medicine and Imaging 2 works
  6. 6 Gender Diversity and Inequality Gender Studies 1 works
  7. 7 Ocular Surface and Contact Lens Public Health, Environmental and Occupational Health 1 works
  8. 8 Diabetes Treatment and Management Endocrinology, Diabetes and Metabolism 1 works
  9. 9 Musculoskeletal pain and rehabilitation Pharmacology 1 works
  10. 10 Connexins and lens biology Molecular Biology 1 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available47.4%not open52.6%

World: 28% of research is openly available.

with international co-authors18.1%domestic only81.9%

World: 19% is written across borders.

How has Hayashi Eye Hospital's research output changed?

Output in 2018–2022 was 52% higher than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Fukuoka

All research institutions in Fukuoka

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.