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Hospital / health system · Tiruchchirappalli · India

Joseph Eye Hospital

In research, Joseph Eye Hospital stands highest in Medicine (#10,228 of 10,443 worldwide) and Health Sciences (#11,852 of 11,982 worldwide), 2022–2025. Relative to its size it is most specialised in Ophthalmology, Medicine and Health Sciences — Ophthalmology is 156.4× its share of world research.

josepheye.inROR OpenAlex
World rank, 2022–2025
#27,306
of 28,054 · #37,385 all time
Rank in India
#1,808
of 1,840
Research works
247
▲ 232% vs 2013–17
Citations
4.2k
17.0 per fractional work
Top-10% rate
5.8%
record average 16.5%
Open access
72%
world 28%

What is Joseph Eye Hospital known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
MedicineField #10,228 of 10,443 3.2%64 #14378
Health SciencesDomain #11,852 of 11,982 3.3%65 #17428

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 world mark, because the world rate differs by field (from about 6% to 21% in this record).

What does Joseph Eye Hospital specialise in?

Where its research is concentrated relative to its size: Ophthalmology takes 156.4× the share of its output that it takes of world research.

  1. OphthalmologySubfield · 34.0 works156×
  2. MedicineField · 64.4 works4.1×
  3. Health SciencesDomain · 65.2 works3.5×
← 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.

Biochemistry, Genetics and Molecular Biology: 0.81× its world share, 4 worksBiochemistry, Geneti…Immunology and Microbiology: 0.51× its world share, 0 worksImmunology and Micro…Neuroscience: 0.97× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.87× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 0.85× its world share, 0 worksChemical EngineeringComputer Science: 0.28× its world share, 2 worksComputer ScienceEarth and Planetary Sciences: 0.09× its world share, 0 worksEarth and Planetary …Engineering: 0.30× its world share, 4 worksEngineeringEnvironmental Science: 0.14× its world share, 1 worksEnvironmental ScienceMaterials Science: 0.11× its world share, 0 worksMaterials ScienceMathematics: 0.17× its world share, 0 worksMathematicsHealth Professions: 0.36× its world share, 1 worksHealth ProfessionsMedicine: 4.12× its world share, 64 worksMedicineArts and Humanities: 0.90× its world share, 2 worksArts and HumanitiesDecision Sciences: 0.11× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.10× its world share, 0 worksEconomics, Econometr…Psychology: 0.18× its world share, 0 worksPsychologySocial Sciences: 0.11× 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.

Who are the top researchers at Joseph Eye Hospital?

Ranked on the composite score, Philip A. Thomas and Prasanna Venkatesh Ramesh lead among researchers whose main affiliation is Joseph Eye Hospital.

  1. 1 Philip A. Thomas India · #268,907 worldwide 99 citations · 23 works
  2. 2 Prasanna Venkatesh Ramesh India · #1,484,132 worldwide 7 citations · 15 works
All ranked researchers at Joseph Eye Hospital

Which keywords describe research at Joseph Eye Hospital?

By fractional works in 2022–2025, 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 Intravitreal Injection.

▲ 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 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. Glaucoma16▲ 135×3 topics
  2. Epidemiology12▲ 3.6×21 topics
  3. Optical Coherence Tomography12▲ 138×3 topics
  4. Intraocular Pressure11▲ 159×2 topics
  5. Optic Nerve9▲ 113×2 topics
  6. Femtosecond Laser7▲ 180×1 topic
  7. Intraocular Lens Implantation7▲ 329×1 topic
  8. Endophthalmitis7▲ 245×2 topics
  9. Intravitreal Injection7▲ 122×2 topics
  10. Risk Factors7▲ 7.6×3 topics
  11. Ocular Hypertension7▲ 160×1 topic
  12. Retinal Ganglion Cells7▲ 75×1 topic
  13. Macular Degeneration6▲ 62×3 topics
  14. COVID-196▲ 5.3×7 topics
  15. Diabetic Retinopathy6▲ 71×2 topics
  16. Myopia5▲ 103×2 topics
  17. ACE2 Receptor5▲ 23×2 topics
  18. Ocular Findings4▲ 194×1 topic
  19. Retinal Artery Occlusion4▲ 194×1 topic
  20. Virtual Reality4▲ 11×3 topics
  21. Corneal Biomechanics4▲ 159×1 topic
  22. Keratoconus4▲ 159×1 topic
  23. Vascular Endothelial Growth Factor4▲ 53×2 topics
  24. Antibiotic Resistance4▲ 11×2 topics
  25. Choroidal Thickness3▲ 79×1 topic
  26. Intraocular Foreign Bodies3▲ 226×1 topic
  27. Keratitis3▲ 267×1 topic
  28. Management3▲ 5.3×2 topics
  29. Ocular Infections3▲ 267×1 topic
  30. Ocular Trauma Score3▲ 226×1 topic
  31. Retinal Pigment Epithelium3▲ 79×1 topic
  32. Telemedicine3▲ 32×2 topics
  33. Medical Students3▲ 342×1 topic
  34. Ophthalmoscopy3▲ 342×1 topic
  35. Simulation3▲ 15×2 topics
  36. OCT Imaging3▲ 129×2 topics
  37. Refractive Error3▲ 90×1 topic
  38. Visual Impairment3▲ 71×1 topic
  39. Image Analysis2▲ 31×2 topics
  40. Surgery2▲ 8.6×4 topics

Which research topics does Joseph Eye Hospital publish most on?

By volume in 2022–2025: Intraocular Surgery and Lenses, Glaucoma and retinal disorders, Retinal and Optic Conditions and Corneal surgery and disorders.

Intraocular Surgery and Lenses: 7 fractional worksGlaucoma and retinal disorders: 7 fractional worksRetinal and Optic Condit…4Retinal and Optic Conditions: 4 fractional worksCorneal surgery and diso…4Corneal surgery and disorders: 4 fractional worksTraumatic Ocular and Foreign Body Injuries: 3 fractional worksOcular Infections and Treatments: 3 fractional worksRetinal Diseases and Tre…3Retinal Diseases and Treatments: 3 fractional worksOphthalmology and Visual Health Research: 3 fractional worksOphthalmology and Visual Impairment Studies: 3 fractional worksRetinal 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 Retinal and Optic Conditions Ophthalmology 4 works
  4. 4 Corneal surgery and disorders Radiology, Nuclear Medicine and Imaging 4 works
  5. 5 Traumatic Ocular and Foreign Body Injuries Ophthalmology 3 works
  6. 6 Ocular Infections and Treatments Ophthalmology 3 works
  7. 7 Retinal Diseases and Treatments Ophthalmology 3 works
  8. 8 Ophthalmology and Visual Health Research Ophthalmology 3 works
  9. 9 Ophthalmology and Visual Impairment Studies Epidemiology 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: 28% of research is openly available.

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

World: 19% is written across borders.

How has Joseph Eye Hospital's research output changed?

Output in 2018–2022 was 232% 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 Tiruchchirappalli

All research institutions in Tiruchchirappalli

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.