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Hospital / health system · Tiruchchirappalli · India

Joseph Eye Hospital

In research, Joseph Eye Hospital stands highest in Health Sciences (#8,792 of 9,902 worldwide) and Medicine (#8,205 of 8,541 worldwide), 2022-now. Relative to its size it is most specialised in Ophthalmology and Medicine (Ophthalmology is 145.4× its share of world research).

josepheye.inROR OpenAlex
World rank, 2022-now
#21,499
of 22,385 · #30,773 all time
Rank in India
#1,509
of 1,562
Research works
247
▲ 30% vs 2018-21
Citations
4.2k
17.0 per fractional work
Top-10% rate
5.3%
all institutions 10.0%
vs its own fields
0.89×
1.00× is exactly expected
Open access
72%
world 40%
International
11%
world 18%
Joseph Eye Hospital

What is Joseph Eye Hospital known for in research?

The fields where it stands highest, 2022-now, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Health SciencesDomain #8,792 of 9,902 2.3%65 #12352
MedicineField #8,205 of 8,541 2.2%64 #11956

Each strip is that field's whole ranked pool, with the notch where Joseph 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 Joseph Eye Hospital work in?

In 2022-now, 80% of research at Joseph Eye Hospital is in Health Sciences, 8% in Physical Sciences. Its largest fields are Medicine (79%), Biochemistry, Genetics and Molecular Biology (5%), Engineering (4%). It does 3.1× the world's share of Health Sciences.

Health Sciences: 75 fractional works · 79.7% of its workMedicine: 74 fractional works · 78.7% of its workOphthalmology: 37 fractional works · 38.8% of its workRadiology, Nuclear Medicine and Imaging: 11 fractional works · 11.5% of its workEpidemiology: 5 fractional works · 5.3% of its workSurgery: 4 fractional works · 4.4% of its workNeurology: 3 fractional works · 3.6% of its workPublic Health, Environmental and Occupational Health: 2 fractional works · 2.5% of its workPathology and Forensic Medicine: 1 fractional works · 1.4% of its workOrthopedics and Sports Medicine: 1 fractional works · 1.3% of its workRheumatology: 1 fractional works · 1.2% of its workAnatomy: 1 fractional works · 1.1% of its workComplementary and alternative medicine: 1 fractional works · 1.1% of its workDermatology: 1 fractional works · 1.0% of its workHematology: 1 fractional works · 0.9% of its workPhysiology: 1 fractional works · 0.6% of its workCardiology and Cardiovascular Medicine: 0 fractional works · 0.5% of its workOncology: 0 fractional works · 0.5% of its workPediatrics, Perinatology and Child Health: 0 fractional works · 0.5% of its workRehabilitation: 0 fractional works · 0.4% of its workEndocrinology, Diabetes and Metabolism: 0 fractional works · 0.4% of its workInfectious Diseases: 0 fractional works · 0.4% of its workObstetrics and Gynecology: 0 fractional works · 0.3% of its workPulmonary and Respiratory Medicine: 0 fractional works · 0.3% of its workGenetics: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.5% of its workHealth Professions: 1 fractional works · 0.9% of its workGeneral Health Professions: 1 fractional works · 0.9% of its workPhysical Sciences: 7 fractional works · 7.6% of its workEngineering: 4 fractional works · 3.9% of its workBiomedical Engineering: 2 fractional works · 1.7% of its workAerospace Engineering: 1 fractional works · 1.1% of its workElectrical and Electronic Engineering: 1 fractional works · 0.6% of its workMedia Technology: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.3% of its workComputer Science: 2 fractional works · 1.9% of its workComputer Vision and Pattern Recognition: 1 fractional works · 0.6% of its workArtificial Intelligence: 0 fractional works · 0.4% of its workComputer Networks and Communications: 0 fractional works · 0.4% of its workInformation Systems: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEnvironmental Science: 1 fractional works · 0.6% of its workHealth, Toxicology and Mutagenesis: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.3% of its workPhysics and Astronomy: 0 fractional works · 0.3% of its workAstronomy and Astrophysics: 0 fractional works · 0.3% of its workMaterials Science: 0 fractional works · 0.3% of its workMaterials Chemistry: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workChemical Engineering: 0 fractional works · 0.3% of its workMathematics: 0 fractional works · 0.2% of its workEarth and Planetary Sciences: 0 fractional works · 0.1% of its workLife Sciences: 7 fractional works · 7.4% of its workBiochemistry, Genetics and Molecular Biology: 5 fractional works · 5.0% of its workGenetics: 2 fractional works · 2.6% of its workMolecular Biology: 1 fractional works · 1.2% of its workClinical Biochemistry: 0 fractional works · 0.3% of its workDevelopmental Biology: 0 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.5% of its workNeuroscience: 1 fractional works · 1.5% of its workNeurology: 1 fractional works · 0.9% of its workCellular and Molecular Neuroscience: 0 fractional works · 0.3% of its workCognitive Neuroscience: 0 fractional works · 0.3% of its workImmunology and Microbiology: 0 fractional works · 0.4% of its workVirology: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.3% of its workPharmacology: 0 fractional works · 0.3% of its workAgricultural and Biological Sciences: 0 fractional works · 0.2% of its workSocial Sciences: 5 fractional works · 5.4% of its workArts and Humanities: 3 fractional works · 3.1% of its workHistory: 2 fractional works · 2.1% of its workPhilosophy: 1 fractional works · 0.7% of its workHistory and Philosophy of Science: 0 fractional works · 0.3% of its workSocial Sciences: 1 fractional works · 1.2% of its workLaw: 1 fractional works · 1.1% of its workSmaller subfields together: 0 fractional works · 0.1% of its workPsychology: 0 fractional works · 0.5% of its workDecision Sciences: 0 fractional works · 0.4% of its workInformation Systems and Management: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEconomics, Econometrics and Finance: 0 fractional works · 0.2% of its workALL ITS WORKJoseph EyeHospital94fractional works, 2022-now
Life Sciences7%Physical Sciences8%Health Sciences80%Social Sciences5%

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 20 fields, with their numbers
    1. Medicine7478.7%
    2. Health Professions10.9%
    1. Engineering43.9%
    2. Computer Science21.9%
    3. Environmental Science10.6%
    4. Physics and Astronomy00.3%
    5. Materials Science00.3%
    6. Chemical Engineering00.3%
    7. Mathematics00.2%
    8. Earth and Planetary Sciences00.1%
    1. Biochemistry, Genetics and Molecular Biology55.0%
    2. Neuroscience11.5%
    3. Immunology and Microbiology00.4%
    4. Pharmacology, Toxicology and Pharmaceutics00.3%
    5. Agricultural and Biological Sciences00.2%
    1. Arts and Humanities33.1%
    2. Social Sciences11.2%
    3. Psychology00.5%
    4. Decision Sciences00.4%
    5. Economics, Econometrics and Finance00.2%
All of science, and how each field's share has moved since 1950: the Science domain explorer

What does Joseph Eye Hospital specialise in?

Where its research is concentrated relative to its size: Ophthalmology takes 145.4× the share of its output that it takes of world research.

  1. OphthalmologySubfield · 36.7 works145×
  2. MedicineField · 74.4 works4.1×
← 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: 0.04× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.93× its world share, 5 worksBiochemistry, Geneti…Immunology and Microbiology: 0.44× its world share, 0 worksImmunology and Micro…Neuroscience: 0.94× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.75× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 0.73× its world share, 0 worksChemical EngineeringComputer Science: 0.24× its world share, 2 worksComputer ScienceEarth and Planetary Sciences: 0.07× its world share, 0 worksEarth and Planetary …Engineering: 0.26× its world share, 4 worksEngineeringEnvironmental Science: 0.12× its world share, 1 worksEnvironmental ScienceMaterials Science: 0.09× its world share, 0 worksMaterials ScienceMathematics: 0.15× its world share, 0 worksMathematicsPhysics and Astronomy: 0.16× its world share, 0 worksPhysics and AstronomyHealth Professions: 0.36× its world share, 1 worksHealth ProfessionsMedicine: 4.09× its world share, 74 worksMedicineArts and Humanities: 1.08× its world share, 3 worksArts and HumanitiesDecision Sciences: 0.46× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.08× its world share, 0 worksEconomics, Econometr…Psychology: 0.15× its world share, 0 worksPsychologySocial Sciences: 0.09× its world share, 1 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 4.1×. Every wedge is a field page.

All 20 fields, with their numbers
  1. Medicine4.09×74 works
  2. Arts and Humanities1.08×3 works
  3. Neuroscience0.94×1 works
  4. Biochemistry, Genetics and Molecular Biology0.93×5 works
  5. Pharmacology, Toxicology and Pharmaceutics0.75×0 works
  6. Chemical Engineering0.73×0 works
  7. Decision Sciences0.46×0 works
  8. Immunology and Microbiology0.44×0 works
  9. Health Professions0.36×1 works
  10. Engineering0.26×4 works
  11. Computer Science0.24×2 works
  12. Physics and Astronomy0.16×0 works
  13. Mathematics0.15×0 works
  14. Psychology0.15×0 works
  15. Environmental Science0.12×1 works
  16. Materials Science0.09×0 works
  17. Social Sciences0.09×1 works
  18. Economics, Econometrics and Finance0.08×0 works
  19. Earth and Planetary Sciences0.07×0 works
  20. Agricultural and Biological Sciences0.04×0 works

Who are the top researchers at Joseph Eye Hospital?

Ranked on the quality score, Philip Aloysius Thomas, J Kaliamurthy and Pragya Parmar lead among researchers whose main affiliation is Joseph Eye Hospital.

  1. 1 Philip Aloysius Thomas India · #2,403,192 worldwide 6.3k citations · 191 works
  2. 2 J Kaliamurthy India · #2,498,933 worldwide 1.4k citations · 23 works
  3. 3 Pragya Parmar India · #3,060,683 worldwide 689 citations · 29 works
  4. 4 Christadoss Arul Nelson Jesudasan India · #3,064,377 worldwide 851 citations · 18 works
  5. 5 Jayaraman Kaliamurthy India · #3,339,180 worldwide 471 citations · 21 works
  6. 6 Aji Kunnath Devadas India · #4,011,705 worldwide 162 citations · 52 works
  7. 7 MeenaKumari Ramesh India · #4,174,578 worldwide 142 citations · 20 works
  8. 8 Anugraha Balamurugan India · #4,775,674 worldwide 42 citations · 27 works
  9. 9 Amjad Salman India · #5,000,320 worldwide 404 citations · 34 works
  10. 10 Kalai Mohan India · #5,103,999 worldwide 9 citations · 15 works
All ranked researchers at Joseph Eye Hospital

What are the most cited papers from Joseph Eye Hospital?

The most cited paper from Joseph Eye Hospital is "Mycotic keratitis: epidemiology, diagnosis and management" (Philip Aloysius Thomas, J Kaliamurthy, 2013), with 496 citations. Next come "Aetiology of suppurative corneal ulcers in Ghana and south India, and epidemiology of fungal keratitis" (470) and "Current Perspectives on Ophthalmic Mycoses" (463).

Most cited papers
#PaperReleasedCitations
1 Mycotic keratitis: epidemiology, diagnosis and management Philip Aloysius Thomas, J Kaliamurthy · Clinical Microbiology and Infection Open access 12 Jan 2013 496
2 Aetiology of suppurative corneal ulcers in Ghana and south India, and epidemiology of fungal keratitis Astrid Leck, Philip Aloysius Thomas, Mark Bash Hagan et al. · British Journal of Ophthalmology Open access 18 Oct 2002 470
3 Current Perspectives on Ophthalmic Mycoses Philip Aloysius Thomas · Clinical Microbiology Reviews Open access Oct 2003 463
4 Fungal infections of the cornea Philip Aloysius Thomas · Eye Nov 2003 442
5 In-vitro antioxidant activities of an ethanolic extract of the oyster mushroom, Pleurotus ostreatus Thanasekaran Jayakumar, Philip Aloysius Thomas, Pitchairaj Geraldine · Innovative Food Science & Emerging Technologies 19 Jul 2008 248
All 62 most cited papers, with filters and sorting

Which keywords describe research at Joseph Eye Hospital?

By fractional works in 2022-now, weighted toward what it does more of than the world: Glaucoma, Optical Coherence Tomography, Intraocular Pressure, Optic Nerve, Epidemiology, Femtosecond Laser, Intraocular Lens Implantation and Ocular Hypertension.

▲ 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. Glaucoma17▲ 121×3 topics
  2. Epidemiology14▲ 3.6×22 topics
  3. Optical Coherence Tomography12▲ 131×3 topics
  4. Intraocular Pressure12▲ 146×2 topics
  5. Optic Nerve10▲ 106×2 topics
  6. Risk Factors8▲ 7.2×3 topics
  7. Femtosecond Laser7▲ 148×1 topic
  8. Intraocular Lens Implantation7▲ 259×1 topic
  9. Ocular Hypertension7▲ 152×1 topic
  10. Retinal Ganglion Cells7▲ 72×1 topic
  11. Intravitreal Injection7▲ 102×2 topics
  12. Endophthalmitis7▲ 194×2 topics
  13. COVID-196▲ 5.1×8 topics
  14. Macular Degeneration6▲ 54×3 topics
  15. Diabetic Retinopathy6▲ 62×2 topics
  16. Myopia6▲ 90×2 topics
  17. ACE2 Receptor5▲ 22×2 topics
  18. Corneal Biomechanics5▲ 137×1 topic
  19. Keratoconus5▲ 137×1 topic
  20. Ocular Findings5▲ 182×1 topic
  21. Retinal Artery Occlusion5▲ 182×1 topic
  22. Virtual Reality5▲ 10×3 topics
  23. Vascular Endothelial Growth Factor4▲ 45×2 topics
  24. Telemedicine4▲ 29×2 topics
  25. Choroidal Thickness4▲ 69×1 topic
  26. Retinal Pigment Epithelium4▲ 69×1 topic
  27. Simulation4▲ 15×2 topics
  28. Antibiotic Resistance4▲ 9.3×2 topics
  29. Management4▲ 4.7×3 topics
  30. Medical Students4▲ 310×1 topic
  31. Ophthalmoscopy4▲ 310×1 topic
  32. Refractive Error4▲ 87×1 topic
  33. Visual Impairment4▲ 69×1 topic
  34. Genetic Mutations3▲ 8.3×10 topics
  35. Intraocular Foreign Bodies3▲ 189×1 topic
  36. Keratitis3▲ 199×1 topic
  37. Ocular Infections3▲ 199×1 topic
  38. Ocular Trauma Score3▲ 189×1 topic
  39. Surgery3▲ 8.8×5 topics
  40. OCT Imaging3▲ 101×2 topics

Which research topics does Joseph Eye Hospital publish most on?

By volume in 2022-now: Intraocular Surgery and Lenses, Glaucoma and retinal disorders, Corneal surgery and disorders and Retinal and Optic Conditions.

Intraocular Surgery and Lenses: 7 fractional worksGlaucoma and retinal disorders: 7 fractional worksCorneal surgery and diso…5Corneal surgery and disorders: 5 fractional worksRetinal and Optic Condit…5Retinal and Optic Conditions: 5 fractional worksRetinal Diseases and Treatments: 4 fractional worksOphthalmology and Visual Health Research: 4 fractional worksOphthalmology and Visual…4Ophthalmology and Visual Impairment Studies: 4 fractional worksTraumatic Ocular and For…3Traumatic Ocular and Foreign Body Injuries: 3 fractional worksOcular Infections and Tr…3Ocular Infections and Treatments: 3 fractional worksRetinal Imaging and Anal…2Retinal Imaging and Analysis: 2 fractional works
OphthalmologyRadiology, Nuclear Medicine and ImagingEpidemiology

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

  1. 1 Intraocular Surgery and Lenses Ophthalmology 7 works
  2. 2 Glaucoma and retinal disorders Ophthalmology 7 works
  3. 3 Corneal surgery and disorders Radiology, Nuclear Medicine and Imaging 5 works
  4. 4 Retinal and Optic Conditions Ophthalmology 5 works
  5. 5 Retinal Diseases and Treatments Ophthalmology 4 works
  6. 6 Ophthalmology and Visual Health Research Ophthalmology 4 works
  7. 7 Ophthalmology and Visual Impairment Studies Epidemiology 4 works
  8. 8 Traumatic Ocular and Foreign Body Injuries Ophthalmology 3 works
  9. 9 Ocular Infections and Treatments Ophthalmology 3 works
  10. 10 Retinal Imaging and Analysis Radiology, Nuclear Medicine and Imaging 2 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 available71.8%not open28.2%

World: 40% of research is openly available.

with international co-authors10.9%domestic only89.1%

World: 18% is written across borders.

How has Joseph Eye Hospital's research output changed?

Output in 2022-2025 was 30% higher 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 Joseph Eye Hospital as a percentage of every work published that year, 0.00033% in 2024.

still counting0.00025%0.00050%0.00075%Joseph Eye Hospital0.00031% in 20251990200020102020

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

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Joseph Eye Hospital on Science Explorer

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