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Hospital / health system · Bengaluru · India

Narayana Nethralaya

In research, Narayana Nethralaya stands highest in Medicine (#3,095 of 10,443 worldwide), Health Sciences (#4,318 of 11,982 worldwide) and Ophthalmology (#70 of 94 worldwide), 2022–2025. Relative to its size it is most specialised in Ophthalmology, Radiology, Nuclear Medicine and Imaging and Medicine — Ophthalmology is 139.8× its share of world research.

narayananethralaya.orgROR OpenAlex
World rank, 2022–2025
#12,276
of 28,054 · #21,911 all time
Rank in India
#859
of 1,840
Research works
1.1k
▲ 58% vs 2013–17
Citations
11k
10.6 per fractional work
Top-10% rate
10.5%
record average 16.5%
Open access
64%
world 28%

What is Narayana Nethralaya 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 #3,095 of 10,443 10.6%261 #5473
Health SciencesDomain #4,318 of 11,982 10.6%264 #7435
OphthalmologySubfield #70 of 94 8.5%120 #174

Each strip is that field’s whole ranked pool, with the notch where Narayana Nethralaya 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#5,473 #3,095
  2. Health Sciences#7,435 #4,318
  3. Ophthalmology#174 #70
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 Narayana Nethralaya specialise in?

Where its research is concentrated relative to its size: Ophthalmology takes 139.8× the share of its output that it takes of world research.

  1. OphthalmologySubfield · 119.6 works140×
  2. Radiology, Nuclear Medicine and ImagingSubfield · 53.9 works19×
  3. MedicineField · 260.8 works4.2×
← 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: 0.17× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.48× its world share, 25 worksBiochemistry, Geneti…Immunology and Microbiology: 2.15× its world share, 7 worksImmunology and Micro…Neuroscience: 0.76× its world share, 4 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.05× its world share, 1 worksPharmacology, Toxico…Chemical Engineering: 0.06× its world share, 0 worksChemical EngineeringChemistry: 0.08× its world share, 0 worksChemistryComputer Science: 0.13× its world share, 3 worksComputer ScienceEnergy: 0.02× its world share, 0 worksEnergyEngineering: 0.09× its world share, 5 worksEngineeringEnvironmental Science: 0.08× its world share, 1 worksEnvironmental ScienceMaterials Science: 0.06× its world share, 1 worksMaterials SciencePhysics and Astronomy: 0.01× its world share, 0 worksPhysics and AstronomyDentistry: 0.53× its world share, 1 worksDentistryHealth Professions: 0.09× its world share, 1 worksHealth ProfessionsMedicine: 4.23× its world share, 261 worksMedicineNursing: 0.16× its world share, 0 worksNursingVeterinary: 2.70× its world share, 1 worksVeterinaryBusiness, Management and Accounting: 0.16× its world share, 2 worksBusiness, Management…Decision Sciences: 0.37× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.16× its world share, 1 worksEconomics, Econometr…Psychology: 0.10× its world share, 1 worksPsychologySocial Sciences: 0.04× 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, 4.2×. Every wedge is a field page.

Who are the top researchers at Narayana Nethralaya?

Ranked on the composite score, Harsha L. Rao, Debashish Das and Chaitra Jayadev lead among researchers whose main affiliation is Narayana Nethralaya.

  1. 1 Harsha L. Rao · #238,795 worldwide 100 citations · 35 works
  2. 2 Debashish Das · #256,001 worldwide 200 citations · 17 works
  3. 3 Chaitra Jayadev · #368,307 worldwide 76 citations · 30 works
  4. 4 Anand Vinekar · #447,256 worldwide 59 citations · 21 works
  5. 5 Rohit Shetty · #549,852 worldwide 50 citations · 21 works
  6. 6 Padmamalini Mahendradas · #889,674 worldwide 38 citations · 31 works
  7. 7 Srinivasan Sanjay · #946,933 worldwide 19 citations · 27 works
  8. 8 Arkasubhra Ghosh · #1,059,411 worldwide 52 citations · 36 works
  9. 9 Rohit Shetty · #1,087,307 worldwide 41 citations · 26 works
  10. 10 Abhijit Sinha Roy · #1,138,024 worldwide 39 citations · 36 works
All ranked researchers at Narayana Nethralaya

Which keywords describe research at Narayana Nethralaya?

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

▲ 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. Epidemiology70▲ 5.5×38 topics
  2. Glaucoma36▲ 76×4 topics
  3. Optical Coherence Tomography34▲ 103×3 topics
  4. Macular Degeneration32▲ 83×3 topics
  5. Intraocular Pressure31▲ 116×2 topics
  6. Intravitreal Injection30▲ 135×2 topics
  7. Inflammation28▲ 4.3×24 topics
  8. Diabetic Retinopathy27▲ 84×2 topics
  9. Myopia26▲ 137×2 topics
  10. Vascular Endothelial Growth Factor26▲ 95×3 topics
  11. Oxidative Stress25▲ 4.7×15 topics
  12. Juvenile Idiopathic Arthritis24▲ 150×2 topics
  13. Behçet's Disease24▲ 276×1 topic
  14. Uveitis24▲ 276×1 topic
  15. Choroidal Thickness21▲ 123×1 topic
  16. Retinal Pigment Epithelium21▲ 123×1 topic
  17. ACE2 Receptor20▲ 26×3 topics
  18. COVID-1920▲ 4.6×4 topics
  19. Optic Nerve20▲ 64×2 topics
  20. Ocular Findings19▲ 206×1 topic
  21. Retinal Artery Occlusion19▲ 206×1 topic
  22. Corneal Biomechanics17▲ 162×1 topic
  23. Keratoconus17▲ 162×1 topic
  24. OCT Imaging17▲ 198×2 topics
  25. Femtosecond Laser15▲ 96×1 topic
  26. Intraocular Lens Implantation15▲ 177×1 topic
  27. Macular Hole15▲ 217×1 topic
  28. Risk Factors15▲ 4.2×6 topics
  29. Vitreoretinal Surgery15▲ 217×1 topic
  30. Neurodegeneration15▲ 15×3 topics
  31. Retinal Ganglion Cells15▲ 42×2 topics
  32. Ocular Hypertension14▲ 86×1 topic
  33. Visual Field Progression14▲ 86×1 topic
  34. Endophthalmitis14▲ 125×2 topics
  35. Inflammatory Cytokines13▲ 50×2 topics
  36. Dry Eye Disease13▲ 127×1 topic
  37. Ocular Surface13▲ 127×1 topic
  38. Genetic Mutations11▲ 8.2×6 topics
  39. Refractive Error11▲ 92×1 topic
  40. Visual Impairment11▲ 73×1 topic

Which research topics does Narayana Nethralaya publish most on?

By volume in 2022–2025: Ocular Diseases and Behçet’s Syndrome, Retinal Diseases and Treatments, Retinal and Optic Conditions and Corneal surgery and disorders.

Ocular Diseases and Behç…24Ocular Diseases and Behçet’s Syndrome: 24 fractional worksRetinal Diseases and Tre…21Retinal Diseases and Treatments: 21 fractional worksRetinal and Optic Condit…19Retinal and Optic Conditions: 19 fractional worksCorneal surgery and diso…17Corneal surgery and disorders: 17 fractional worksIntraocular Surgery and Lenses: 15 fractional worksRetinal and Macular Surgery: 15 fractional worksGlaucoma and retinal dis…14Glaucoma and retinal disorders: 14 fractional worksOcular Surface and Conta…13Ocular Surface and Contact Lens: 13 fractional worksOphthalmology and Visual…11Ophthalmology and Visual Impairment Studies: 11 fractional worksCorneal Surgery and Trea…10Corneal Surgery and Treatments: 10 fractional works
OphthalmologyRadiology, Nuclear Medicine and ImagingPublic Health, Environmental and Occupational HealthEpidemiology

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

  1. 1 Ocular Diseases and Behçet’s SyndromeOphthalmology 24 works
  2. 2 Retinal Diseases and TreatmentsOphthalmology 21 works
  3. 3 Retinal and Optic ConditionsOphthalmology 19 works
  4. 4 Corneal surgery and disordersRadiology, Nuclear Medicine and Imaging 17 works
  5. 5 Intraocular Surgery and LensesOphthalmology 15 works
  6. 6 Retinal and Macular SurgeryRadiology, Nuclear Medicine and Imaging 15 works
  7. 7 Glaucoma and retinal disordersOphthalmology 14 works
  8. 8 Ocular Surface and Contact LensPublic Health, Environmental and Occupational Health 13 works
  9. 9 Ophthalmology and Visual Impairment StudiesEpidemiology 11 works
  10. 10 Corneal Surgery and TreatmentsRadiology, Nuclear Medicine and Imaging 10 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 available63.6%not open36.4%

World: 28% of research is openly available.

with international co-authors24.1%domestic only75.9%

World: 19% is written across borders.

How has Narayana Nethralaya's research output changed?

Output in 2018–2022 was 58% 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 Bengaluru

All research institutions in Bengaluru

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.