Science Explorer Back to mapMap
Discussion
Hospital / health system · Aachen · Germany

Ophthalmology Clinic

In research, Ophthalmology Clinic stands highest in Health Sciences (#4,700 of 9,902 worldwide) and Medicine (#4,814 of 8,541 worldwide), 2022-now. Relative to its size it is most specialised in Ophthalmology, Radiology, Nuclear Medicine and Imaging and Public Health, Environmental and Occupational Health (Ophthalmology is 88.8× its share of world research).

ukaachen.de/en/clinics-institutes/klinik-fuer-augenheilkunde.htmlROR OpenAlex
World rank, 2022-now
#14,193
of 22,385 · #13,354 all time
Rank in Germany
#455
of 795
Research works
1.3k
▲ 14% vs 2018-21
Citations
8.9k
6.7 per fractional work
Top-10% rate
3.5%
all institutions 10.0%
vs its own fields
0.87×
1.00× is exactly expected
Open access
30%
world 40%
International
33%
world 18%
Ophthalmology Clinic

What is Ophthalmology Clinic 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 #4,700 of 9,902 2.7%207 #4866
MedicineField #4,814 of 8,541 2.6%200 #5120

Each strip is that field's whole ranked pool, with the notch where Ophthalmology Clinic 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 Ophthalmology Clinic work in?

In 2022-now, 85% of research at Ophthalmology Clinic is in Health Sciences, 10% in Life Sciences. Its largest fields are Medicine (82%), Biochemistry, Genetics and Molecular Biology (6%), Neuroscience (2%). It does 3.6× the world's share of Health Sciences.

Health Sciences: 279 fractional works · 84.6% of its workMedicine: 271 fractional works · 82.1% of its workOphthalmology: 78 fractional works · 23.7% of its workRadiology, Nuclear Medicine and Imaging: 49 fractional works · 14.7% of its workPublic Health, Environmental and Occupational Health: 24 fractional works · 7.3% of its workEpidemiology: 19 fractional works · 5.7% of its workSurgery: 18 fractional works · 5.4% of its workNeurology: 10 fractional works · 3.1% of its workPathology and Forensic Medicine: 10 fractional works · 3.1% of its workDermatology: 8 fractional works · 2.3% of its workPulmonary and Respiratory Medicine: 6 fractional works · 1.8% of its workPhysiology: 6 fractional works · 1.8% of its workOncology: 5 fractional works · 1.6% of its workRheumatology: 5 fractional works · 1.5% of its workPediatrics, Perinatology and Child Health: 4 fractional works · 1.2% of its workPsychiatry and Mental health: 4 fractional works · 1.1% of its workObstetrics and Gynecology: 3 fractional works · 0.8% of its workEndocrinology, Diabetes and Metabolism: 2 fractional works · 0.8% of its workOtorhinolaryngology: 2 fractional works · 0.7% of its workCardiology and Cardiovascular Medicine: 2 fractional works · 0.7% of its workReproductive Medicine: 1 fractional works · 0.4% of its workPharmacology: 1 fractional works · 0.4% of its workInfectious Diseases: 1 fractional works · 0.4% of its workNephrology: 1 fractional works · 0.3% of its workRehabilitation: 1 fractional works · 0.3% of its workHematology: 1 fractional works · 0.3% of its workEmergency Medicine: 1 fractional works · 0.3% of its workGenetics: 1 fractional works · 0.3% of its workUrology: 1 fractional works · 0.3% of its workHealth Informatics: 1 fractional works · 0.3% of its workImmunology and Allergy: 1 fractional works · 0.3% of its workTransplantation: 1 fractional works · 0.2% of its workFamily Practice: 1 fractional works · 0.2% of its workSmaller subfields together: 3 fractional works · 0.9% of its workHealth Professions: 5 fractional works · 1.6% of its workGeneral Health Professions: 2 fractional works · 0.7% of its workPhysical Therapy, Sports Therapy and Rehabilitation: 1 fractional works · 0.4% of its workSmaller subfields together: 2 fractional works · 0.5% of its workDentistry: 2 fractional works · 0.5% of its workOral Surgery: 1 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.3% of its workNursing: 1 fractional works · 0.2% of its workVeterinary: 0 fractional works · 0.2% of its workLife Sciences: 34 fractional works · 10.4% of its workBiochemistry, Genetics and Molecular Biology: 20 fractional works · 5.9% of its workMolecular Biology: 9 fractional works · 2.7% of its workGenetics: 6 fractional works · 1.9% of its workCell Biology: 2 fractional works · 0.6% of its workCancer Research: 1 fractional works · 0.3% of its workSmaller subfields together: 2 fractional works · 0.5% of its workNeuroscience: 8 fractional works · 2.5% of its workNeurology: 2 fractional works · 0.7% of its workCognitive Neuroscience: 2 fractional works · 0.5% of its workCellular and Molecular Neuroscience: 2 fractional works · 0.5% of its workSensory Systems: 1 fractional works · 0.3% of its workEndocrine and Autonomic Systems: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.2% of its workImmunology and Microbiology: 4 fractional works · 1.3% of its workImmunology: 2 fractional works · 0.5% of its workParasitology: 2 fractional works · 0.5% of its workMicrobiology: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workAgricultural and Biological Sciences: 2 fractional works · 0.6% of its workPharmacology, Toxicology and Pharmaceutics: 1 fractional works · 0.2% of its workPhysical Sciences: 9 fractional works · 2.6% of its workEngineering: 6 fractional works · 1.9% of its workBiomedical Engineering: 4 fractional works · 1.2% of its workComputational Mechanics: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.4% of its workPhysics and Astronomy: 1 fractional works · 0.2% of its workComputer Science: 1 fractional works · 0.2% of its workEnvironmental Science: 1 fractional works · 0.2% of its workMathematics: 0 fractional works · 0.1% of its workMaterials Science: 0 fractional works · 0.0% of its workChemistry: 0 fractional works · 0.0% of its workSocial Sciences: 8 fractional works · 2.4% of its workPsychology: 3 fractional works · 1.0% of its workClinical Psychology: 1 fractional works · 0.4% of its workSmaller subfields together: 2 fractional works · 0.6% of its workArts and Humanities: 2 fractional works · 0.5% of its workHistory: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.2% of its workSocial Sciences: 2 fractional works · 0.5% of its workEducation: 1 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.3% of its workDecision Sciences: 1 fractional works · 0.2% of its workEconomics, Econometrics and Finance: 0 fractional works · 0.1% of its workBusiness, Management and Accounting: 0 fractional works · 0.1% of its workALL ITS WORKOphthalmologyClinic330fractional works, 2022-now
Life Sciences10%Physical Sciences3%Health Sciences85%Social Sciences2%

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 23 fields, with their numbers
    1. Medicine27182.1%
    2. Health Professions51.6%
    3. Dentistry20.5%
    4. Nursing10.2%
    5. Veterinary00.2%
    1. Biochemistry, Genetics and Molecular Biology205.9%
    2. Neuroscience82.5%
    3. Immunology and Microbiology41.3%
    4. Agricultural and Biological Sciences20.6%
    5. Pharmacology, Toxicology and Pharmaceutics10.2%
    1. Engineering61.9%
    2. Physics and Astronomy10.2%
    3. Computer Science10.2%
    4. Environmental Science10.2%
    5. Mathematics00.1%
    6. Materials Science00.0%
    7. Chemistry00.0%
    1. Psychology31.0%
    2. Arts and Humanities20.5%
    3. Social Sciences20.5%
    4. Decision Sciences10.2%
    5. Economics, Econometrics and Finance00.1%
    6. Business, Management and Accounting00.1%
All of science, and how each field's share has moved since 1950: the Science domain explorer

What does Ophthalmology Clinic specialise in?

Where its research is concentrated relative to its size: Ophthalmology takes 88.8× the share of its output that it takes of world research.

  1. OphthalmologySubfield · 78.1 works89×
  2. Radiology, Nuclear Medicine and ImagingSubfield · 48.5 works16×
  3. Public Health, Environmental and Occupational HealthSubfield · 24.0 works5.5×
← 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.

Agricultural and Biological Sciences: 0.12× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.11× its world share, 20 worksBiochemistry, Geneti…Immunology and Microbiology: 1.29× its world share, 4 worksImmunology and Micro…Neuroscience: 1.51× its world share, 8 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.54× its world share, 1 worksPharmacology, Toxico…Chemistry: 0.02× its world share, 0 worksChemistryComputer Science: 0.02× its world share, 1 worksComputer ScienceEngineering: 0.13× its world share, 6 worksEngineeringEnvironmental Science: 0.03× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.01× its world share, 0 worksMaterials ScienceMathematics: 0.10× its world share, 0 worksMathematicsPhysics and Astronomy: 0.09× its world share, 1 worksPhysics and AstronomyDentistry: 1.05× its world share, 2 worksDentistryHealth Professions: 0.60× its world share, 5 worksHealth ProfessionsMedicine: 4.27× its world share, 271 worksMedicineNursing: 0.38× its world share, 1 worksNursingVeterinary: 1.12× its world share, 0 worksVeterinaryArts and Humanities: 0.18× its world share, 2 worksArts and HumanitiesBusiness, Management and Accounting: 0.03× its world share, 0 worksBusiness, Management…Decision Sciences: 0.20× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.06× its world share, 0 worksEconomics, Econometr…Psychology: 0.31× its world share, 3 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, 4.3×. Every wedge is a field page.

All 23 fields, with their numbers
  1. Medicine4.27×271 works
  2. Neuroscience1.51×8 works
  3. Immunology and Microbiology1.29×4 works
  4. Veterinary1.12×0 works
  5. Biochemistry, Genetics and Molecular Biology1.11×20 works
  6. Dentistry1.05×2 works
  7. Health Professions0.60×5 works
  8. Pharmacology, Toxicology and Pharmaceutics0.54×1 works
  9. Nursing0.38×1 works
  10. Psychology0.31×3 works
  11. Decision Sciences0.20×1 works
  12. Arts and Humanities0.18×2 works
  13. Engineering0.13×6 works
  14. Agricultural and Biological Sciences0.12×2 works
  15. Mathematics0.10×0 works
  16. Physics and Astronomy0.09×1 works
  17. Economics, Econometrics and Finance0.06×0 works
  18. Social Sciences0.04×2 works
  19. Environmental Science0.03×0 works
  20. Business, Management and Accounting0.03×0 works
  21. Chemistry0.02×0 works
  22. Computer Science0.02×1 works
  23. Materials Science0.01×0 works

Who are the top researchers at Ophthalmology Clinic?

Ranked on the quality score, WILLIAM LERCHE, J Iserle and Mehmet AĞAR lead among researchers whose main affiliation is Ophthalmology Clinic.

  1. 1 WILLIAM LERCHE Germany · #3,792,110 worldwide 48 citations · 23 works
  2. 2 J Iserle Germany · #5,307,068 worldwide 10 citations · 18 works
  3. 3 Mehmet AĞAR Germany · #5,545,770 worldwide 1 citations · 16 works
  4. 4 А. V. Trubilin Germany · #5,632,375 worldwide 29 citations · 22 works
  5. 5 K. V. Chinenova Germany · #5,720,967 worldwide 60 citations · 18 works
  6. 6 Ömer Faruk Recep Germany · #6,171,391 worldwide 225 citations · 35 works
  7. 7 V. V. Kurenkov Germany · #6,221,798 worldwide 78 citations · 39 works
  8. 8 A Just Germany · #6,289,340 worldwide 334 citations · 48 works
  9. 9 Е. Г. Полунина Germany · #7,111,562 worldwide 184 citations · 71 works
All ranked researchers at Ophthalmology Clinic

What are the most cited papers from Ophthalmology Clinic?

The most cited paper from Ophthalmology Clinic is "Out‐of‐body experience and autoscopy of neurological origin" (Olaf Blanke, Théodor Landis, Laurent Spinelli et al., 2004), with 755 citations. Next come "The Updated EAU Guidelines on Muscle-Invasive and Metastatic Bladder Cancer" (644) and "Disruption of ClC-3, a Chloride Channel Expressed on Synaptic Vesicles, Leads to a Loss of the Hippocampus" (514).

Most cited papers
#PaperReleasedCitations
1 Out‐of‐body experience and autoscopy of neurological origin Olaf Blanke, Théodor Landis, Laurent Spinelli et al. · Brain Open access 15 Jan 2004 755
2 The Updated EAU Guidelines on Muscle-Invasive and Metastatic Bladder Cancer Arnulf Stenzl, Nigel C. Cowan, Maria De Santis et al. · European Urology 14 Jan 2009 644
3 Disruption of ClC-3, a Chloride Channel Expressed on Synaptic Vesicles, Leads to a Loss of the Hippocampus Sandra M. Stobrawa, Tilman Breiderhoff, Shigeo Takamori et al. · Neuron Open access 2001 514
4 Trends in childhood type 1 diabetes incidence in Europe during 1989–2008: evidence of non-uniformity over time in rates of increase Chris C. Patterson et al. · Diabetologia Open access 25 May 2012 483
5 Pathomechanisms of Cystoid Macular Edema Andreas Bringmann, Andreas Reichenbach, Peter Wiedemann · Ophthalmic Research 2004 287
All 60 most cited papers, with filters and sorting

Which keywords describe research at Ophthalmology Clinic?

By fractional works in 2022-now, weighted toward what it does more of than the world: Epidemiology, Intraocular Pressure, Glaucoma, Optical Coherence Tomography, Myopia, Macular Degeneration, Optic Nerve 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-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. Epidemiology63▲ 4.8×70 topics
  2. Intraocular Pressure34▲ 117×2 topics
  3. Glaucoma32▲ 65×4 topics
  4. Optical Coherence Tomography24▲ 71×3 topics
  5. Inflammation23▲ 3.3×47 topics
  6. Myopia23▲ 103×2 topics
  7. Macular Degeneration22▲ 55×3 topics
  8. Optic Nerve22▲ 69×2 topics
  9. Intravitreal Injection22▲ 90×2 topics
  10. Oxidative Stress20▲ 3.7×23 topics
  11. Neurodegeneration19▲ 19×6 topics
  12. Diabetic Retinopathy19▲ 57×2 topics
  13. Risk Factors19▲ 5.2×14 topics
  14. Retinal Ganglion Cells19▲ 52×3 topics
  15. Inflammatory Cytokines18▲ 62×2 topics
  16. Dry Eye Disease18▲ 157×1 topic
  17. Ocular Surface18▲ 157×1 topic
  18. Corneal Biomechanics17▲ 141×1 topic
  19. Keratoconus17▲ 141×1 topic
  20. Ocular Hypertension17▲ 99×1 topic
  21. Visual Field Progression17▲ 99×1 topic
  22. Vascular Endothelial Growth Factor16▲ 54×2 topics
  23. Choroidal Thickness14▲ 77×1 topic
  24. Retinal Pigment Epithelium14▲ 77×1 topic
  25. Wound Healing14▲ 15×8 topics
  26. OCT Imaging12▲ 123×2 topics
  27. Global Prevalence12▲ 37×2 topics
  28. Tissue Engineering12▲ 5.9×5 topics
  29. Visual Impairment12▲ 67×2 topics
  30. Childhood Myopia12▲ 83×1 topic
  31. Refractive Error12▲ 83×1 topic
  32. Endophthalmitis12▲ 94×2 topics
  33. Stem Cell Therapy11▲ 36×3 topics
  34. Corneal Regeneration11▲ 122×1 topic
  35. Limbal Stem Cells11▲ 122×1 topic
  36. Immunosuppressive Therapy11▲ 17×3 topics
  37. Macular Hole11▲ 138×1 topic
  38. Vitreoretinal Surgery11▲ 138×1 topic
  39. Juvenile Idiopathic Arthritis10▲ 61×2 topics
  40. Behçet's Disease10▲ 110×1 topic

Which research topics does Ophthalmology Clinic publish most on?

By volume in 2022-now: Ocular Surface and Contact Lens, Corneal surgery and disorders, Glaucoma and retinal disorders and Retinal Diseases and Treatments.

Ocular Surface and Conta…18Ocular Surface and Contact Lens: 18 fractional worksCorneal surgery and diso…17Corneal surgery and disorders: 17 fractional worksGlaucoma and retinal dis…17Glaucoma and retinal disorders: 17 fractional worksRetinal Diseases and Tre…14Retinal Diseases and Treatments: 14 fractional worksOphthalmology and Visual Impairment Studies: 12 fractional worksCorneal Surgery and Treatments: 11 fractional worksRetinal and Macular Surg…11Retinal and Macular Surgery: 11 fractional worksOcular Diseases and Behç…10Ocular Diseases and Behçet’s Syndrome: 10 fractional worksIntraocular Surgery and …9Intraocular Surgery and Lenses: 9 fractional worksOcular Infections and Tr…8Ocular Infections and Treatments: 8 fractional works
Public Health, Environmental and Occupational HealthRadiology, Nuclear Medicine and ImagingOphthalmologyEpidemiology

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

  1. 1 Ocular Surface and Contact Lens Public Health, Environmental and Occupational Health 18 works
  2. 2 Corneal surgery and disorders Radiology, Nuclear Medicine and Imaging 17 works
  3. 3 Glaucoma and retinal disorders Ophthalmology 17 works
  4. 4 Retinal Diseases and Treatments Ophthalmology 14 works
  5. 5 Ophthalmology and Visual Impairment Studies Epidemiology 12 works
  6. 6 Corneal Surgery and Treatments Radiology, Nuclear Medicine and Imaging 11 works
  7. 7 Retinal and Macular Surgery Radiology, Nuclear Medicine and Imaging 11 works
  8. 8 Ocular Diseases and Behçet’s Syndrome Ophthalmology 10 works
  9. 9 Intraocular Surgery and Lenses Ophthalmology 9 works
  10. 10 Ocular Infections and Treatments Ophthalmology 8 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 available30.3%not open69.7%

World: 40% of research is openly available.

with international co-authors32.8%domestic only67.2%

World: 18% is written across borders.

How has Ophthalmology Clinic's research output changed?

Output in 2022-2025 was 14% 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 Ophthalmology Clinic as a percentage of every work published that year, 0.00085% in 2024.

still counting0.0010%0.0020%0.0030%Ophthalmology Clinic0.0013% in 202519801990200020102020

Fractional works of Ophthalmology Clinic over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year, against all institutions in the same year.

still counting5%10%15%all institutions10.0% in 2025Ophthalmology Clinic4.2% in 202520102020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 4.5% in 2008.

Other research institutions in Aachen

All research institutions in Aachen

Share Ophthalmology Clinic's ranking

Ophthalmology Clinic on Science Explorer

A card with Ophthalmology Clinic's standing and the fields it leads in, for a post or a slide. A link to this page previews as the same card.

Download the card

1200 × 630 PNG, sized for social posts, drawn from the latest snapshot.

Badges for a website1Each links back here and updates with every snapshot

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners have tabs of their own, above.

Discussion

Ask a question or share a note about Ophthalmology Clinic. Posts are plain text and can be reported.