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Hospital / health system · Fukuoka · Japan

Hayashi Eye Hospital

In research, Hayashi Eye Hospital stands highest in Health Sciences (#5,216 of 16,688 worldwide) and Medicine (#5,036 of 14,558 worldwide), over all time. Relative to its size it is most specialised in Medicine (Medicine is 3.1× its share of world research).

hayashi.or.jpROR OpenAlex
World rank, all time
#17,062
of 34,923
Rank in Japan
#472
of 1,923
Research works
362
▼ 23% vs 2018-21
Citations
7.3k
20.0 per fractional work
Top-10% rate
8.2%
all institutions 10.0%
vs its own fields
1.02×
1.00× is exactly expected
Open access
47%
world 40%
International
18%
world 18%
Hayashi Eye Hospital

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
Health SciencesDomain #5,216 of 16,688 12.7%248
MedicineField #5,036 of 14,558 12.8%237

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 average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does Hayashi Eye Hospital work in?

In 2022-now, 62% of research at Hayashi Eye Hospital is in Health Sciences, 16% in Social Sciences. Its largest fields are Medicine (60%), Social Sciences (9%), Biochemistry, Genetics and Molecular Biology (8%). It does 2.4× the world's share of Health Sciences.

Health Sciences: 45 fractional works · 61.9% of its workMedicine: 44 fractional works · 60.5% of its workOphthalmology: 9 fractional works · 12.3% of its workEpidemiology: 7 fractional works · 9.8% of its workRadiology, Nuclear Medicine and Imaging: 6 fractional works · 8.3% of its workSurgery: 5 fractional works · 6.4% of its workPublic Health, Environmental and Occupational Health: 2 fractional works · 2.5% of its workPulmonary and Respiratory Medicine: 2 fractional works · 2.5% of its workNeurology: 1 fractional works · 2.0% of its workPhysiology: 1 fractional works · 2.0% of its workEndocrinology, Diabetes and Metabolism: 1 fractional works · 1.7% of its workCardiology and Cardiovascular Medicine: 1 fractional works · 1.6% of its workPathology and Forensic Medicine: 1 fractional works · 1.5% of its workPharmacology: 1 fractional works · 1.4% of its workOncology: 1 fractional works · 1.1% of its workPsychiatry and Mental health: 1 fractional works · 1.1% of its workRheumatology: 1 fractional works · 0.9% of its workInfectious Diseases: 1 fractional works · 0.7% of its workEmergency Medicine: 0 fractional works · 0.6% of its workReproductive Medicine: 0 fractional works · 0.6% of its workHematology: 0 fractional works · 0.5% of its workOrthopedics and Sports Medicine: 0 fractional works · 0.3% of its workComplementary and alternative medicine: 0 fractional works · 0.3% of its workRehabilitation: 0 fractional works · 0.3% of its workGastroenterology: 0 fractional works · 0.2% of its workPediatrics, Perinatology and Child Health: 0 fractional works · 0.2% of its workHepatology: 0 fractional works · 0.2% of its workDermatology: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 1.1% of its workHealth Professions: 1 fractional works · 1.0% of its workGeneral Health Professions: 0 fractional works · 0.5% of its workSpeech and Hearing: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.3% of its workVeterinary: 0 fractional works · 0.2% of its workSmall Animals: 0 fractional works · 0.2% of its workNursing: 0 fractional works · 0.1% of its workDentistry: 0 fractional works · 0.1% of its workSocial Sciences: 11 fractional works · 15.7% of its workSocial Sciences: 7 fractional works · 9.3% of its workEducation: 4 fractional works · 4.9% of its workPolitical Science and International Relations: 1 fractional works · 1.8% of its workGender Studies: 1 fractional works · 1.4% of its workSafety Research: 1 fractional works · 0.9% of its workSmaller subfields together: 0 fractional works · 0.3% of its workPsychology: 2 fractional works · 3.4% of its workSocial Psychology: 1 fractional works · 1.7% of its workClinical Psychology: 1 fractional works · 1.6% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEconomics, Econometrics and Finance: 1 fractional works · 2.0% of its workEconomics and Econometrics: 1 fractional works · 2.0% of its workArts and Humanities: 0 fractional works · 0.6% of its workReligious studies: 0 fractional works · 0.6% of its workBusiness, Management and Accounting: 0 fractional works · 0.3% of its workLife Sciences: 11 fractional works · 14.8% of its workBiochemistry, Genetics and Molecular Biology: 6 fractional works · 8.0% of its workMolecular Biology: 3 fractional works · 4.4% of its workGenetics: 2 fractional works · 2.3% of its workCell Biology: 1 fractional works · 0.9% of its workBiophysics: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workAgricultural and Biological Sciences: 3 fractional works · 3.7% of its workAquatic Science: 1 fractional works · 0.9% of its workEcology, Evolution, Behavior and Systematics: 1 fractional works · 0.8% of its workPlant Science: 0 fractional works · 0.6% of its workFood Science: 0 fractional works · 0.6% of its workInsect Science: 0 fractional works · 0.6% of its workAnimal Science and Zoology: 0 fractional works · 0.3% of its workNeuroscience: 2 fractional works · 2.5% of its workCognitive Neuroscience: 1 fractional works · 1.1% of its workEndocrine and Autonomic Systems: 0 fractional works · 0.7% of its workCellular and Molecular Neuroscience: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.3% of its workImmunology and Microbiology: 0 fractional works · 0.6% of its workImmunology: 0 fractional works · 0.3% of its workVirology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workPhysical Sciences: 5 fractional works · 7.5% of its workEngineering: 2 fractional works · 2.8% of its workBiomedical Engineering: 1 fractional works · 1.0% of its workCivil and Structural Engineering: 0 fractional works · 0.7% of its workElectrical and Electronic Engineering: 0 fractional works · 0.6% of its workOcean Engineering: 0 fractional works · 0.2% of its workSafety, Risk, Reliability and Quality: 0 fractional works · 0.2% of its workEnvironmental Science: 2 fractional works · 2.3% of its workPollution: 0 fractional works · 0.7% of its workHealth, Toxicology and Mutagenesis: 0 fractional works · 0.5% of its workEcology: 0 fractional works · 0.4% of its workGlobal and Planetary Change: 0 fractional works · 0.2% of its workEnvironmental Engineering: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workComputer Science: 1 fractional works · 0.8% of its workComputational Theory and Mathematics: 0 fractional works · 0.2% of its workComputer Vision and Pattern Recognition: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.3% of its workMaterials Science: 0 fractional works · 0.6% of its workChemistry: 0 fractional works · 0.5% of its workOrganic Chemistry: 0 fractional works · 0.5% of its workEarth and Planetary Sciences: 0 fractional works · 0.4% of its workEarth-Surface Processes: 0 fractional works · 0.2% of its workPaleontology: 0 fractional works · 0.2% of its workEnergy: 0 fractional works · 0.2% of its workALL ITS WORKHayashi EyeHospital72fractional works, 2022-now
Life Sciences15%Physical Sciences7%Health Sciences62%Social Sciences16%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in 2022-now. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 21 fields, with their numbers
    1. Medicine4460.5%
    2. Health Professions11.0%
    3. Veterinary00.2%
    4. Nursing00.1%
    5. Dentistry00.1%
    1. Social Sciences79.3%
    2. Psychology23.4%
    3. Economics, Econometrics and Finance12.0%
    4. Arts and Humanities00.6%
    5. Business, Management and Accounting00.3%
    1. Biochemistry, Genetics and Molecular Biology68.0%
    2. Agricultural and Biological Sciences33.7%
    3. Neuroscience22.5%
    4. Immunology and Microbiology00.6%
    1. Engineering22.8%
    2. Environmental Science22.3%
    3. Computer Science10.8%
    4. Materials Science00.6%
    5. Chemistry00.5%
    6. Earth and Planetary Sciences00.4%
    7. Energy00.2%
All of science, and how each field's share has moved since 1950: the Science domain explorer

What does Hayashi Eye Hospital specialise in?

Where its research is concentrated relative to its size: Medicine takes 3.1× the share of its output that it takes of world research.

  1. MedicineField · 43.5 works3.1×
← 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: 0.79× its world share, 3 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.49× its world share, 6 worksBiochemistry, Geneti…Immunology and Microbiology: 0.60× its world share, 0 worksImmunology and Micro…Neuroscience: 1.56× its world share, 2 worksNeuroscienceChemistry: 0.30× its world share, 0 worksChemistryComputer Science: 0.10× its world share, 1 worksComputer ScienceEarth and Planetary Sciences: 0.28× its world share, 0 worksEarth and Planetary …Energy: 0.17× its world share, 0 worksEnergyEngineering: 0.18× its world share, 2 worksEngineeringEnvironmental Science: 0.46× its world share, 2 worksEnvironmental ScienceMaterials Science: 0.18× its world share, 0 worksMaterials ScienceDentistry: 0.12× its world share, 0 worksDentistryHealth Professions: 0.40× its world share, 1 worksHealth ProfessionsMedicine: 3.15× its world share, 44 worksMedicineNursing: 0.24× its world share, 0 worksNursingVeterinary: 1.71× its world share, 0 worksVeterinaryArts and Humanities: 0.21× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.10× its world share, 0 worksBusiness, Management…Economics, Econometrics and Finance: 0.95× its world share, 2 worksEconomics, Econometr…Psychology: 1.13× its world share, 2 worksPsychologySocial Sciences: 0.74× its world share, 7 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 3.1×. Every wedge is a field page.

All 21 fields, with their numbers
  1. Medicine3.15×44 works
  2. Veterinary1.71×0 works
  3. Neuroscience1.56×2 works
  4. Biochemistry, Genetics and Molecular Biology1.49×6 works
  5. Psychology1.13×2 works
  6. Economics, Econometrics and Finance0.95×2 works
  7. Agricultural and Biological Sciences0.79×3 works
  8. Social Sciences0.74×7 works
  9. Immunology and Microbiology0.60×0 works
  10. Environmental Science0.46×2 works
  11. Health Professions0.40×1 works
  12. Chemistry0.30×0 works
  13. Earth and Planetary Sciences0.28×0 works
  14. Nursing0.24×0 works
  15. Arts and Humanities0.21×0 works
  16. Engineering0.18×2 works
  17. Materials Science0.18×0 works
  18. Energy0.17×0 works
  19. Dentistry0.12×0 works
  20. Computer Science0.10×1 works
  21. Business, Management and Accounting0.10×0 works

Who are the top researchers at Hayashi Eye Hospital?

Ranked on the quality score, Fuminori Nakao, Shin-ichi Manabe and Fumihiko Hayashi lead among researchers whose main affiliation is Hayashi Eye Hospital.

  1. 1 Fuminori Nakao Japan · #1,042,053 worldwide 3.2k citations · 59 works
  2. 2 Shin-ichi Manabe Japan · #1,261,339 worldwide 2.3k citations · 72 works
  3. 3 Fumihiko Hayashi Japan · #1,749,350 worldwide 4.3k citations · 95 works
  4. 4 Ken Hayashi Japan · #2,081,731 worldwide 13k citations · 647 works
  5. 5 Motoaki Yoshida Japan · #3,047,726 worldwide 1.3k citations · 85 works
  6. 6 Shunsuke Hayashi Japan · #3,101,879 worldwide 1.5k citations · 79 works
  7. 7 Y Tanaka Japan · #3,370,916 worldwide 448 citations · 21 works
  8. 8 Haruo Haruo Japan · #5,701,928 worldwide 136 citations · 53 works
All ranked researchers at Hayashi Eye Hospital

What are the most cited papers from Hayashi Eye Hospital?

The most cited paper from Hayashi Eye Hospital is "Effects of Extracranial–Intracranial Bypass for Patients With Hemorrhagic Moyamoya Disease" (Susumu Miyamoto et al., 2014), with 652 citations. Next come "Risk factors for corneal endothelial injury during phacoemulsification" (366) and "Risk factors for cerebral hemorrhage and cerebral infarction in a Japanese rural community." (330).

Most cited papers
#PaperReleasedCitations
1 Effects of Extracranial–Intracranial Bypass for Patients With Hemorrhagic Moyamoya Disease Susumu Miyamoto et al. · Stroke Open access 25 Mar 2014 652
2 Risk factors for corneal endothelial injury during phacoemulsification Ken Hayashi, Hideyuki Hayashi, Fuminori Nakao et al. · Journal of Cataract & Refractive Surgery Oct 1996 366
3 Risk factors for cerebral hemorrhage and cerebral infarction in a Japanese rural community. Heizo Tanaka, Yutaka Ueda, Masayuki Hayashi et al. · Stroke 1982 330
4 Effect of cataract surgery on intraocular pressure control in glaucoma patients Ken Hayashi, Hideyuki Hayashi, Fuminori Nakao et al. · Journal of Cataract & Refractive Surgery Nov 2001 326
5 Changes in anterior chamber angle width and depth after intraocular lens implantation in eyes with glaucoma Ken Hayashi, Hideyuki Hayashi, Fuminori Nakao et al. · Ophthalmology Apr 2000 324
All 60 most cited papers, with filters and sorting

Which keywords describe research at Hayashi Eye Hospital?

By fractional works in 2022-now, weighted toward what it does more of than the world: Myopia, Epidemiology, Glaucoma, Refractive Error, Visual Impairment, Intraocular Pressure, 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-now 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 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Epidemiology11▲ 3.8×29 topics
  2. Myopia8▲ 169×2 topics
  3. Glaucoma7▲ 69×2 topics
  4. Refractive Error6▲ 207×1 topic
  5. Visual Impairment6▲ 165×1 topic
  6. Intraocular Pressure6▲ 98×2 topics
  7. Femtosecond Laser5▲ 124×1 topic
  8. Intraocular Lens Implantation5▲ 217×1 topic
  9. Risk Factors4▲ 4.8×8 topics
  10. Corneal Biomechanics4▲ 133×1 topic
  11. Keratoconus4▲ 133×1 topic
  12. Pedagogy4▲ 9.7×1 topic
  13. Teaching Methods4▲ 30×1 topic
  14. Inflammation3▲ 1.97×21 topics
  15. Optic Nerve3▲ 38×1 topic
  16. Optical Coherence Tomography3▲ 37×2 topics
  17. Retinal Ganglion Cells3▲ 34×1 topic
  18. Metabolic Syndrome2▲ 3.4×7 topics
  19. Treatment2▲ 2.1×16 topics
  20. Macular Hole2▲ 100×1 topic
  21. Vitreoretinal Surgery2▲ 100×1 topic
  22. Clinical Trials2▲ 3.3×8 topics
  23. Low Back Pain2▲ 13×2 topics
  24. Obesity2▲ 2.6×7 topics
  25. Economic Development1▲ 2.3×1 topic
  26. Innovation Economics1▲ 54×1 topic
  27. Complications1▲ 3.4×9 topics
  28. Genetic Mutations1▲ 3.9×9 topics
  29. Surgical Management1▲ 4.1×7 topics
  30. Chronic Diseases1▲ 6.1×2 topics
  31. Dry Eye Disease1▲ 43×1 topic
  32. Genetic Variation1▲ 7.0×2 topics
  33. Global Burden1▲ 2.7×4 topics
  34. Ocular Surface1▲ 43×1 topic
  35. Precision Medicine1▲ 3.0×2 topics
  36. Gender Diversity1▲ 41×1 topic
  37. Nutrigenomics1▲ 46×1 topic
  38. Personalized Nutrition1▲ 46×1 topic
  39. Psychological Factors1▲ 6.7×2 topics
  40. Spinal Fusion1▲ 14×2 topics

Which research topics does Hayashi Eye Hospital publish most on?

By volume in 2022-now: Ophthalmology and Visual Impairment Studies, Intraocular Surgery and Lenses, Corneal surgery and disorders and Education, Innovation and Language Studies.

Ophthalmology and Visual…6Ophthalmology and Visual Impairment Studies: 6 fractional worksIntraocular Surgery and Lenses: 5 fractional worksCorneal surgery and disorders: 4 fractional worksEducation, Innovation an…4Education, Innovation and Language Studies: 4 fractional worksGlaucoma and retinal dis…3Glaucoma and retinal disorders: 3 fractional worksRetinal and Macular Surgery: 2 fractional worksEconomic and Industrial Development: 1 fractional worksOcular Surface and Contact Lens: 1 fractional worksNutrition, Genetics, and Disease: 1 fractional worksGender Diversity and Inequality: 1 fractional works
EpidemiologyOphthalmologyRadiology, Nuclear Medicine and ImagingEducation4 others

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

  1. 1 Ophthalmology and Visual Impairment Studies Epidemiology 6 works
  2. 2 Intraocular Surgery and Lenses Ophthalmology 5 works
  3. 3 Corneal surgery and disorders Radiology, Nuclear Medicine and Imaging 4 works
  4. 4 Education, Innovation and Language Studies Education 4 works
  5. 5 Glaucoma and retinal disorders Ophthalmology 3 works
  6. 6 Retinal and Macular Surgery Radiology, Nuclear Medicine and Imaging 2 works
  7. 7 Economic and Industrial Development Economics and Econometrics 1 works
  8. 8 Ocular Surface and Contact Lens Public Health, Environmental and Occupational Health 1 works
  9. 9 Nutrition, Genetics, and Disease Genetics 1 works
  10. 10 Gender Diversity and Inequality Gender Studies 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: 40% of research is openly available.

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

World: 18% is written across borders.

How has Hayashi Eye Hospital's research output changed?

Output in 2022-2025 was 23% lower than in 2018-2021.

still counting1990200020102020
grewheldshrank

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

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Hayashi Eye Hospital as a percentage of every work published that year, 0.00015% in 2024.

still counting0.00050%0.0010%0.0015%Hayashi Eye Hospital0.00021% in 202519801990200020102020

Fractional works of Hayashi Eye Hospital over all fractional works that year. How the balance of science has shifted.

Other research institutions in Fukuoka

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Hayashi Eye Hospital on Science Explorer

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