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Topic · Radiology, Nuclear Medicine and Imaging

Corneal surgery and disorders

Corneal surgery and disorders is a research topic within Radiology, Nuclear Medicine and Imaging. Science Explorer counts 42k research works in it since 1950. 9.9% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the biomechanical properties of the cornea, with a specific emphasis on conditions such as keratoconus and related treatments like collagen crosslinking. It also covers topics such as corneal transplantation, intraocular pressure measurement, and the impact of riboflavin-ultraviolet-A treatment. Additionally, it explores advancements in refractive surgery techniques and their effects on corneal biomechanics.

  • Corneal Biomechanics
  • Keratoconus
  • Collagen Crosslinking
  • Corneal Transplantation
  • Ocular Response Analyzer
  • Endothelial Keratoplasty
  • Intraocular Pressure
  • Riboflavin-Ultraviolet-A Treatment
  • Corneal Thickness
  • Refractive Surgery
Research works
42k
fractional, since 1950
In the world top 10%
4.2k
per year above
Top-10% rate
9.9%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+5%
the tick is no change
Largest producer
China
26% of the 10 largest, 2022-now
Corneal surgery and disorders

This ranks research output and citation impact. It says nothing about the quality of diagnosis, treatment or care.

Which countries lead Corneal surgery and disorders research?

By volume, China and the United States publish the most (1.6k and 1.3k works in 2022-now).

By volume, 2022-now

  1. 1 China 1.6k works
  2. 2 United States 1.3k works
  3. 3 India 739 works
  4. 4 Germany 490 works
  5. 5 Spain 425 works
  6. 6 United Kingdom 392 works
  7. 7 Türkiye 305 works
  8. 8 Japan 291 works
  9. 9 Italy 258 works
  10. 10 South Korea 233 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 25.7%United States: 22.3%India: 12.3%Germany: 8.1%6 others listed: 31.6%26%largest
China1,552 · 25.7%United States1,346 · 22.3%India739 · 12.3%Germany490 · 8.1%6 others listed1,905 · 31.6%

Shares of the rows listed above, not of the whole node.

Which institutions lead Corneal surgery and disorders research?

By volume in 2022-now, All India Institute of Medical Sciences publishes the most Corneal surgery and disorders research, followed by Wenzhou Medical University and Fudan University.

By volume, 2022-now

  1. 1 All India Institute of Medical SciencesIndia 96 works
  2. 2 Wenzhou Medical UniversityChina 91 works
  3. 3 Fudan UniversityChina 89 works
  4. 4 L V Prasad Eye InstituteIndia 89 works
  5. 5 Sun Yat-sen UniversityChina 71 works
  6. 6 Capital Medical UniversityChina 71 works
  7. 7 Peking UniversityChina 62 works
  8. 8 Saarland UniversityGermany 59 works
  9. 9 Tianjin Medical UniversityChina 59 works
  10. 10 Harvard UniversityUnited States 57 works

Who are the leading researchers in Corneal surgery and disorders?

The most-cited researchers publishing on Corneal surgery and disorders include George Davey Smith, Walter Churchill Willett and Jost Bruno Jonas.

  1. 1 George Davey Smith United Kingdom 435k citations
  2. 2 Walter Churchill Willett United States 411k citations
  3. 3 Jost Bruno Jonas Germany 350k citations
  4. 4 Jun Wang China 340k citations
  5. 5 Gregory Y.H. Lip United Kingdom 311k citations
  6. 6 Rakhi Dandona United States 280k citations
  7. 7 Yousef Saleh Khader Jordan 274k citations
  8. 8 Jean‐Louis Vincent Belgium 262k citations
  9. 9 Xiaogang Wang China 260k citations
  10. 10 Amirhossein Sahebkar Iran 258k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Corneal surgery and disorders?

The most cited paper in Corneal surgery and disorders is "Highly stretchable and tough hydrogels" (Jeong‐Yun Sun, Xuanhe Zhao, Widusha R. K. Illeperuma et al., 2012), with 5,503 citations. Next come "The Ocular Hypertension Treatment Study" (3,729) and "Reduction of Intraocular Pressure and Glaucoma Progression" (3,356).

Most cited papers
#PaperReleasedCitations
1 Highly stretchable and tough hydrogels Jeong‐Yun Sun, Xuanhe Zhao, Widusha R. K. Illeperuma et al. · Nature Open access Sep 2012 5,503
2 The Ocular Hypertension Treatment Study Michael A. Kass · Archives of Ophthalmology Open access Jun 2002 3,729
3 Reduction of Intraocular Pressure and Glaucoma Progression Anders Heijl · Archives of Ophthalmology Oct 2002 3,356
4 When to use the B onferroni correction Richard A. Armstrong · Ophthalmic and Physiological Optics 2 Apr 2014 3,088
5 Number of people with glaucoma worldwide. H A Quigley · British Journal of Ophthalmology Open access May 1996 3,063
All 100 most cited papers, with filters and sorting

Where is Corneal surgery and disorders research done?

The largest centres of Corneal surgery and disorders research in 2022-now are Beijing (China), Shanghai (China), Moscow (Russia) and London (United Kingdom).

Largest cities, 2022-now

  1. 1 BeijingChina 238 works
  2. 2 ShanghaiChina 186 works
  3. 3 MoscowRussia 156 works
  4. 4 LondonUnited Kingdom 139 works
  5. 5 SeoulSouth Korea 127 works
  6. 6 New DelhiIndia 119 works
  7. 7 GuangzhouChina 113 works
  8. 8 IstanbulTürkiye 112 works
  9. 9 TokyoJapan 102 works
  10. 10 TehranIran 100 works
See Corneal surgery and disorders on the map

Where is the best place to study Corneal surgery and disorders?

Among universities, judged by research, Wenzhou Medical University, Fudan University and Sun Yat-sen University score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%10%20%30%mean 16.77%fractional works in this field (log) →share of work in the world top 10% →Wenzhou Medical Univ…Sun Yat-sen UniversityTianjin Medical Univ…Fudan University
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1Wenzhou Medical UniversityChina 68.116.6%23.4×91 +61.3%
2Fudan UniversityChina 61.99.5%7.3×89 +36.9%
3Sun Yat-sen UniversityChina 61.616.0%4.5×71 +17.0%
4Tianjin Medical UniversityChina 60.115.6%20.8×59 +18.1%
5Heidelberg UniversityGermany 59.818.6%5.1×30 +10.4%
6Capital Medical UniversityChina 59.615.2%8.6×71 +8.7%
7Shanghai Jiao Tong UniversityChina 58.527.4%1.6×35 +35.1%
8American University of BeirutLebanon 57.527.2%10.5×12 +100.5%
9All India Institute of Medical SciencesIndia 57.35.0%11.2×96 +51.9%
10Harvard UniversityUnited States 55.516.6%2.3×57 -26.9%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Corneal surgery and disorders, country by country

Is Corneal surgery and disorders research growing?

Output in 2022-2025 was 5% higher than in 2018-2021, peaking in 2026. The fastest-growing topics are Corneal surgery and disorders.

still counting19801990200020102020
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 Corneal surgery and disorders as a percentage of every work published that year, 0.032% in 2024.

still counting0.020%0.040%0.060%Corneal surgery and disorders0.033% in 202519801990200020102020

Fractional works of Corneal surgery and disorders 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.

still counting5%10%15%Corneal surgery and disorders9.9% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

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