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Hospital / health system · Istanbul · Türkiye

Istanbul Eye Hospital

In research, Istanbul Eye Hospital stands highest in Medicine (#3,687 of 10,443 worldwide), Health Sciences (#4,529 of 11,982 worldwide) and Surgery (#1,593 of 1,816 worldwide), 2022–2025. Relative to its size it is most specialised in Ophthalmology and Radiology, Nuclear Medicine and Imaging — Ophthalmology is 24.7× its share of world research.

igh.com.trROR OpenAlex
World rank, 2022–2025
#13,172
of 28,054 · #21,669 all time
Rank in Türkiye
#197
of 308
Research works
2k
▲ 37% vs 2013–17
Citations
19k
9.5 per fractional work
Top-10% rate
7.3%
record average 16.5%
Open access
53%
world 28%

What is Istanbul 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 #3,687 of 10,443 7.0%464 #6424
Health SciencesDomain #4,529 of 11,982 7.2%486 #8056
SurgerySubfield #1,593 of 1,816 4.7%83 #3165

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

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#6,424 #3,687
  2. Health Sciences#8,056 #4,529
  3. Surgery#3,165 #1,593
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 Istanbul Eye Hospital specialise in?

Where its research is concentrated relative to its size: Ophthalmology takes 24.7× the share of its output that it takes of world research.

  1. OphthalmologySubfield · 38.2 works25×
  2. Radiology, Nuclear Medicine and ImagingSubfield · 33.5 works6.4×
← 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: 0.05× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.99× its world share, 31 worksBiochemistry, Geneti…Immunology and Microbiology: 1.36× its world share, 8 worksImmunology and Micro…Neuroscience: 1.30× its world share, 12 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.41× its world share, 1 worksPharmacology, Toxico…Chemistry: 0.04× its world share, 0 worksChemistryComputer Science: 0.08× its world share, 4 worksComputer ScienceEnergy: 0.02× its world share, 0 worksEnergyEngineering: 0.10× its world share, 9 worksEngineeringEnvironmental Science: 0.05× its world share, 1 worksEnvironmental ScienceMaterials Science: 0.04× its world share, 1 worksMaterials ScienceMathematics: 0.05× its world share, 0 worksMathematicsPhysics and Astronomy: 0.09× its world share, 1 worksPhysics and AstronomyDentistry: 1.14× its world share, 3 worksDentistryHealth Professions: 0.90× its world share, 14 worksHealth ProfessionsMedicine: 4.17× its world share, 464 worksMedicineNursing: 1.59× its world share, 4 worksNursingVeterinary: 0.35× its world share, 0 worksVeterinaryArts and Humanities: 0.10× its world share, 2 worksArts and HumanitiesBusiness, Management and Accounting: 0.03× its world share, 1 worksBusiness, Management…Decision Sciences: 0.13× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.15× its world share, 2 worksEconomics, Econometr…Psychology: 0.64× its world share, 11 worksPsychologySocial Sciences: 0.10× its world share, 8 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 Istanbul Eye Hospital?

Ranked on the composite score, Yusuf Yıldırım, Çiğdem Altan and Ahmet Demirok lead among researchers whose main affiliation is Istanbul Eye Hospital.

  1. 1 Yusuf Yıldırım Türkiye · #707,223 worldwide 39 citations · 34 works
  2. 2 Çiğdem Altan Türkiye · #822,773 worldwide 16 citations · 22 works
  3. 3 Ahmet Demirok Türkiye · #1,240,796 worldwide 18 citations · 32 works
  4. 4 Ali Yüce Türkiye · #1,293,643 worldwide 2 citations · 16 works
  5. 5 Abdullah Özkaya Türkiye · #1,378,228 worldwide 15 citations · 22 works
  6. 6 İhsan Yılmaz Türkiye · #1,431,263 worldwide 14 citations · 15 works
  7. 7 Muhittin Taşkapılı Türkiye · #1,451,589 worldwide 18 citations · 20 works
  8. 8 Özgür Artunay Türkiye · #1,575,142 worldwide 6 citations · 17 works
All ranked researchers at Istanbul Eye Hospital

Which keywords describe research at Istanbul Eye Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Inflammation, Complications, Quality of Life, Rehabilitation, Risk Factors, Treatment and Surgical Management.

▲ 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. Epidemiology92▲ 4.0×103 topics
  2. Inflammation38▲ 3.2×64 topics
  3. Quality of Life29▲ 3.5×39 topics
  4. Treatment24▲ 3.5×39 topics
  5. Risk Factors24▲ 3.8×28 topics
  6. Complications22▲ 7.5×16 topics
  7. Oxidative Stress20▲ 2.1×36 topics
  8. Rehabilitation20▲ 8.5×12 topics
  9. Diagnosis19▲ 3.5×34 topics
  10. Management18▲ 3.9×22 topics
  11. Surgical Management17▲ 7.1×20 topics
  12. Chemotherapy17▲ 4.1×20 topics
  13. Clinical Practice Guidelines15▲ 4.8×14 topics
  14. Intraocular Pressure15▲ 31×2 topics
  15. Cardiovascular Disease15▲ 2.3×29 topics
  16. Glaucoma15▲ 17×4 topics
  17. Biomechanics14▲ 7.8×6 topics
  18. Prognostic Factors14▲ 5.3×14 topics
  19. Clinical Trials13▲ 3.4×15 topics
  20. Metastasis13▲ 6.6×11 topics
  21. Myopia13▲ 37×2 topics
  22. Optical Coherence Tomography13▲ 21×3 topics
  23. Genetic Mutations12▲ 4.8×19 topics
  24. Neurological Disorders12▲ 3.5×14 topics
  25. Pain Management11▲ 8.1×9 topics
  26. Radiotherapy10▲ 4.6×12 topics
  27. Surgery10▲ 5.0×9 topics
  28. Surgical Treatment10▲ 8.8×6 topics
  29. Intravitreal Injection10▲ 24×2 topics
  30. Macular Degeneration10▲ 14×3 topics
  31. Wound Healing10▲ 6.3×9 topics
  32. Survival Analysis9▲ 5.7×6 topics
  33. Vascular Endothelial Growth Factor9▲ 18×3 topics
  34. Immunosuppressive Therapy9▲ 8.1×7 topics
  35. Shoulder Function9▲ 17×2 topics
  36. Diabetic Retinopathy9▲ 15×2 topics
  37. Optic Nerve9▲ 15×2 topics
  38. Corneal Biomechanics8▲ 41×1 topic
  39. Keratoconus8▲ 41×1 topic
  40. Retinal Ganglion Cells8▲ 12×3 topics

Which research topics does Istanbul Eye Hospital publish most on?

By volume in 2022–2025: Corneal surgery and disorders, Glaucoma and retinal disorders, Retinal Diseases and Treatments and Retinal and Macular Surgery.

Corneal surgery and diso…8Corneal surgery and disorders: 8 fractional worksGlaucoma and retinal dis…7Glaucoma and retinal disorders: 7 fractional worksRetinal Diseases and Treatments: 7 fractional worksRetinal and Macular Surg…7Retinal and Macular Surgery: 7 fractional worksShoulder Injury and Trea…6Shoulder Injury and Treatment: 6 fractional worksOcular Diseases and Behçet’s Syndrome: 6 fractional worksIntraocular Surgery and Lenses: 6 fractional worksOphthalmology and Visual…6Ophthalmology and Visual Impairment Studies: 6 fractional worksOrthopedic Surgery and Rehabilitation: 5 fractional worksOcular Surface and Contact Lens: 5 fractional works
Radiology, Nuclear Medicine and ImagingOphthalmologySurgeryEpidemiology1 others

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

  1. 1 Corneal surgery and disorders Radiology, Nuclear Medicine and Imaging 8 works
  2. 2 Glaucoma and retinal disorders Ophthalmology 7 works
  3. 3 Retinal Diseases and Treatments Ophthalmology 7 works
  4. 4 Retinal and Macular Surgery Radiology, Nuclear Medicine and Imaging 7 works
  5. 5 Shoulder Injury and Treatment Surgery 6 works
  6. 6 Ocular Diseases and Behçet’s Syndrome Ophthalmology 6 works
  7. 7 Intraocular Surgery and Lenses Ophthalmology 6 works
  8. 8 Ophthalmology and Visual Impairment Studies Epidemiology 6 works
  9. 9 Orthopedic Surgery and Rehabilitation Surgery 5 works
  10. 10 Ocular Surface and Contact Lens Public Health, Environmental and Occupational Health 5 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 available52.8%not open47.2%

World: 28% of research is openly available.

with international co-authors16.2%domestic only83.8%

World: 19% is written across borders.

How has Istanbul Eye Hospital's research output changed?

Output in 2018–2022 was 37% 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 Istanbul

All research institutions in Istanbul

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.