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Topic · Ophthalmology

Ophthalmology and Visual Health Research

Ophthalmology and Visual Health Research is a research topic within Ophthalmology. Science Explorer counts 12k research works in it since 1950. 10.1% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on ophthalmology education and training methods, particularly related to ophthalmoscopy, fundus photography, and clinical skills. It explores the use of simulation, virtual reality, and telemedicine in improving education for medical students and practitioners. The papers also discuss the challenges and opportunities in the current ophthalmology curriculum.

  • Ophthalmoscopy
  • Medical Students
  • Fundus Photography
  • Education
  • Emergency Department
  • Simulation
  • Virtual Reality
  • Curriculum
  • Clinical Skills
  • Telemedicine
Research works
12k
fractional, since 1950
In the world top 10%
1.2k
per year above
Top-10% rate
10.1%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+1%
the tick is no change
Largest producer
United States
27% of the 10 largest, 2022-now
Ophthalmology and Visual Health Research

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

Which countries lead Ophthalmology and Visual Health Research research?

By volume, the United States and Iran publish the most (512 and 348 works in 2022-now).

By volume, 2022-now

  1. 1 United States 512 works
  2. 2 Iran 348 works
  3. 3 India 334 works
  4. 4 Pakistan 129 works
  5. 5 United Kingdom 122 works
  6. 6 China 118 works
  7. 7 Nigeria 89 works
  8. 8 Indonesia 82 works
  9. 9 Saudi Arabia 76 works
  10. 10 Egypt 71 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.

United States: 27.2%Iran: 18.5%India: 17.8%Pakistan: 6.9%6 others listed: 29.7%27%largest
United States512 · 27.2%Iran348 · 18.5%India334 · 17.8%Pakistan129 · 6.9%6 others listed558 · 29.7%

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

Which institutions lead Ophthalmology and Visual Health Research research?

By volume in 2022-now, Islamic Azad University, Tehran publishes the most Ophthalmology and Visual Health Research research, followed by Shahid Beheshti University of Medical Sciences and All India Institute of Medical Sciences.

By volume, 2022-now

  1. 1 Islamic Azad University, TehranIran 68 works
  2. 2 Shahid Beheshti University of Medical SciencesIran 17 works
  3. 3 All India Institute of Medical SciencesIndia 16 works
  4. 4 University of KwaZulu-NatalSouth Africa 15 works
  5. 5 Johns Hopkins UniversityUnited States 15 works
  6. 6 Tehran University of Medical SciencesIran 15 works
  7. 7 Iran University of Medical SciencesIran 14 works
  8. 8 Harvard UniversityUnited States 14 works
  9. 9 Creative CommonsUnited States 14 works
  10. 10 Aravind Eye HospitalIndia 13 works

Who are the leading researchers in Ophthalmology and Visual Health Research?

The most-cited researchers publishing on Ophthalmology and Visual Health Research include Jost Bruno Jonas, Farshad Farzadfar and Sadaf Ghajarieh Sepanlou.

  1. 1 Jost Bruno Jonas Germany 350k citations
  2. 2 Farshad Farzadfar Iran 298k citations
  3. 3 Sadaf Ghajarieh Sepanlou Iran 282k citations
  4. 4 Rakhi Dandona United States 280k citations
  5. 5 Reza Malekzadeh Iran 278k citations
  6. 6 Yousef Saleh Khader Jordan 274k citations
  7. 7 Lalit Dandona United States 268k citations
  8. 8 Tien Yin Wong Singapore 237k 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 Ophthalmology and Visual Health Research?

The most cited paper in Ophthalmology and Visual Health Research is "The Pathophysiology and Treatment of Glaucoma" (Robert Neal Weinreb, Tin Aung, Felipe Andrade Medeiros, 2014), with 4,238 citations. Next come "Global data on visual impairment in the year 2002." (4,206) and "Neuropsychological assessment, 3rd ed." (2,827).

Most cited papers
#PaperReleasedCitations
1 The Pathophysiology and Treatment of Glaucoma Robert Neal Weinreb, Tin Aung, Felipe Andrade Medeiros · JAMA Open access 13 May 2014 4,238
2 Global data on visual impairment in the year 2002. Serge Resnikoff, Donatella Pascolini, Daniel Etya’ale et al. · PubMed Open access Nov 2004 4,206
3 Neuropsychological assessment, 3rd ed. Muriel D. Lezak 1995 2,827
4 Prevalence of Age-related Maculopathy Ronald Klein, Ronald Klein, Kathryn L.P. Linton · Ophthalmology Jun 1992 1,850
5 Interpersonal trust, trustworthiness, and gullibility. Julian B. Rotter · American Psychologist 1980 1,638
All 100 most cited papers, with filters and sorting

Where is Ophthalmology and Visual Health Research research done?

The largest centres of Ophthalmology and Visual Health Research research in 2022-now are Tehran (Iran), London (United Kingdom), Lahore (Pakistan) and New Delhi (India).

Largest cities, 2022-now

  1. 1 TehranIran 105 works
  2. 2 LondonUnited Kingdom 45 works
  3. 3 LahorePakistan 30 works
  4. 4 New DelhiIndia 29 works
  5. 5 RiyadhSaudi Arabia 27 works
  6. 6 ChennaiIndia 27 works
  7. 7 New YorkUnited States 26 works
  8. 8 PhiladelphiaUnited States 24 works
  9. 9 BaltimoreUnited States 21 works
  10. 10 IsfahanIran 21 works
See Ophthalmology and Visual Health Research on the map

Where is the best place to study Ophthalmology and Visual Health Research?

Among universities, judged by research, Johns Hopkins University, Emory University and University of Miami score highest, combining citation excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%20%40%mean 18.3%fractional works in this field (log) →share of work in the world top 10% →Emory UniversityJohns Hopkins Univer…University of MiamiUniversity of Toronto
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.

Citation 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
1Johns Hopkins UniversityUnited States 64.127.0%4.0×15 +7.9%
2Emory UniversityUnited States 62.133.4%5.1×10 +111.6%
3University of MiamiUnited States 54.524.3%5.4×8 +14.0%
4University of TorontoCanada 50.820.4%2.0×10 +12.5%
5University of KwaZulu-NatalSouth Africa 49.112.6%16.6×15 +4.9%
6University College LondonUnited Kingdom 47.712.5%3.2×13 +54.8%
7Thomas Jefferson UniversityUnited States 43.716.4%18.7×10 +86.5%
8Islamic Azad University, TehranIran 41.82.9%16.4×68 -39.1%
9Iranshahr UniversityIran 40.021.0%50.7×10 -26.2%
10Tehran University of Medical SciencesIran 39.412.5%10.2×15 -64.3%

Universities only. The score blends citation 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 Ophthalmology and Visual Health Research, country by country

Is Ophthalmology and Visual Health Research research growing?

Output in 2022-2025 was 1% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Ophthalmology and Visual Health Research.

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 Ophthalmology and Visual Health Research as a percentage of every work published that year, 0.012% in 2024.

still counting0.010%0.020%Ophthalmology and Visual Health Research0.012% in 202519801990200020102020

Fractional works of Ophthalmology and Visual Health Research 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%Ophthalmology and Visual Health Research10.8% 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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