Science Explorer Interactive view Map
Hospital / health system · Chennai · India

Vasan Eye Care Hospital

In research, Vasan Eye Care Hospital stands highest in Medicine (#7,867 of 10,443 worldwide), Health Sciences (#9,247 of 11,982 worldwide) and Ophthalmology (#82 of 94 worldwide), 2022–2025. Relative to its size it is most specialised in Ophthalmology, Radiology, Nuclear Medicine and Imaging and Medicine — Ophthalmology is 145.2× its share of world research.

vasaneye.inROR OpenAlex
World rank, 2022–2025
#23,304
of 28,054 · #39,311 all time
Rank in India
#1,547
of 1,840
Research works
518
▲ 77% vs 2013–17
Citations
3k
5.7 per fractional work
Top-10% rate
6.9%
record average 16.5%
Open access
80%
world 28%

What is Vasan Eye Care 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 #7,867 of 10,443 7.5%170 #14740
Health SciencesDomain #9,247 of 11,982 7.7%175 #17469
OphthalmologySubfield #82 of 94 7.0%84 #488

Each strip is that field’s whole ranked pool, with the notch where Vasan Eye Care 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).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Medicine#14,740 #7,867
  2. Health Sciences#17,469 #9,247
  3. Ophthalmology#488 #82
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

What does Vasan Eye Care Hospital specialise in?

Where its research is concentrated relative to its size: Ophthalmology takes 145.2× the share of its output that it takes of world research.

  1. OphthalmologySubfield · 84.1 works145×
  2. Radiology, Nuclear Medicine and ImagingSubfield · 33.0 works17×
  3. MedicineField · 170.3 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: 0.32× its world share, 3 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.08× its world share, 12 worksBiochemistry, Geneti…Immunology and Microbiology: 1.33× its world share, 3 worksImmunology and Micro…Neuroscience: 0.40× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.09× its world share, 1 worksPharmacology, Toxico…Chemistry: 0.15× its world share, 0 worksChemistryComputer Science: 0.11× its world share, 2 worksComputer ScienceEarth and Planetary Sciences: 0.05× its world share, 0 worksEarth and Planetary …Engineering: 0.16× its world share, 5 worksEngineeringEnvironmental Science: 0.23× its world share, 2 worksEnvironmental ScienceMaterials Science: 0.04× its world share, 0 worksMaterials ScienceMathematics: 0.26× its world share, 1 worksMathematicsPhysics and Astronomy: 0.03× its world share, 0 worksPhysics and AstronomyDentistry: 0.74× its world share, 1 worksDentistryHealth Professions: 0.52× its world share, 3 worksHealth ProfessionsMedicine: 4.08× its world share, 170 worksMedicineNursing: 0.34× its world share, 0 worksNursingVeterinary: 2.83× its world share, 1 worksVeterinaryArts and Humanities: 0.11× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.50× its world share, 4 worksBusiness, Management…Decision Sciences: 0.72× its world share, 2 worksDecision SciencesEconomics, Econometrics and Finance: 0.43× its world share, 2 worksEconomics, Econometr…Psychology: 0.12× its world share, 1 worksPsychologySocial Sciences: 0.04× 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.

Which keywords describe research at Vasan Eye Care Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Glaucoma, Epidemiology, Optical Coherence Tomography, Intraocular Pressure, Macular Degeneration, Optic Nerve, Myopia and Diabetic Retinopathy.

▲ 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. Epidemiology38▲ 4.4×37 topics
  2. Glaucoma35▲ 109×4 topics
  3. Optical Coherence Tomography28▲ 127×3 topics
  4. Intraocular Pressure23▲ 126×2 topics
  5. Macular Degeneration22▲ 83×3 topics
  6. Optic Nerve20▲ 95×2 topics
  7. Myopia19▲ 151×2 topics
  8. Diabetic Retinopathy19▲ 89×2 topics
  9. Intravitreal Injection18▲ 117×2 topics
  10. Femtosecond Laser15▲ 142×2 topics
  11. Inflammation15▲ 3.3×16 topics
  12. COVID-1915▲ 5.0×3 topics
  13. Intraocular Lens Implantation15▲ 255×1 topic
  14. Posterior Capsule Opacification15▲ 255×1 topic
  15. Vascular Endothelial Growth Factor15▲ 80×2 topics
  16. Ocular Findings14▲ 233×1 topic
  17. Retinal Artery Occlusion14▲ 233×1 topic
  18. Risk Factors14▲ 5.9×4 topics
  19. Neurodegeneration14▲ 22×2 topics
  20. Retinal Ganglion Cells14▲ 58×3 topics
  21. Oxidative Stress14▲ 3.9×9 topics
  22. Ocular Hypertension14▲ 122×1 topic
  23. Visual Field Progression14▲ 122×1 topic
  24. Choroidal Thickness13▲ 110×1 topic
  25. OCT Imaging13▲ 216×2 topics
  26. Retinal Pigment Epithelium13▲ 110×1 topic
  27. Behçet's Disease11▲ 184×1 topic
  28. Uveitis11▲ 184×1 topic
  29. Refractive Error10▲ 119×1 topic
  30. Visual Impairment10▲ 94×1 topic
  31. Macular Hole10▲ 209×1 topic
  32. Vitreoretinal Surgery10▲ 209×1 topic
  33. Corneal Biomechanics9▲ 132×1 topic
  34. Keratoconus9▲ 132×1 topic
  35. Genetic Mutations8▲ 8.7×9 topics
  36. Endophthalmitis8▲ 110×2 topics
  37. Wound Healing7▲ 12×4 topics
  38. Retinal Disease6▲ 61×1 topic
  39. Vessel Segmentation6▲ 64×1 topic
  40. Stem Cell Therapy6▲ 32×3 topics

Which research topics does Vasan Eye Care Hospital publish most on?

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

Intraocular Surgery and …15Intraocular Surgery and Lenses: 15 fractional worksRetinal and Optic Condit…14Retinal and Optic Conditions: 14 fractional worksGlaucoma and retinal dis…14Glaucoma and retinal disorders: 14 fractional worksRetinal Diseases and Tre…13Retinal Diseases and Treatments: 13 fractional worksOcular Diseases and Behçet’s Syndrome: 11 fractional worksOphthalmology and Visual Impairment Studies: 10 fractional worksRetinal and Macular Surg…10Retinal and Macular Surgery: 10 fractional worksCorneal surgery and disorders: 9 fractional worksRetinal Imaging and Analysis: 6 fractional worksOcular Surface and Contact Lens: 6 fractional works
OphthalmologyEpidemiologyRadiology, Nuclear Medicine and ImagingPublic Health, Environmental and Occupational Health

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

  1. 1 Intraocular Surgery and Lenses Ophthalmology 15 works
  2. 2 Retinal and Optic Conditions Ophthalmology 14 works
  3. 3 Glaucoma and retinal disorders Ophthalmology 14 works
  4. 4 Retinal Diseases and Treatments Ophthalmology 13 works
  5. 5 Ocular Diseases and Behçet’s Syndrome Ophthalmology 11 works
  6. 6 Ophthalmology and Visual Impairment Studies Epidemiology 10 works
  7. 7 Retinal and Macular Surgery Radiology, Nuclear Medicine and Imaging 10 works
  8. 8 Corneal surgery and disorders Radiology, Nuclear Medicine and Imaging 9 works
  9. 9 Retinal Imaging and Analysis Radiology, Nuclear Medicine and Imaging 6 works
  10. 10 Ocular Surface and Contact Lens Public Health, Environmental and Occupational Health 6 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 available80.3%not open19.7%

World: 28% of research is openly available.

with international co-authors15.7%domestic only84.3%

World: 19% is written across borders.

How has Vasan Eye Care Hospital's research output changed?

Output in 2018–2022 was 77% 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 Chennai

All research institutions in Chennai

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.