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Richard J. O’Callaghan

Richard J. O’Callaghan publishes mostly in Ophthalmology, Infectious Diseases and Molecular Biology, on topics such as Ocular Infections and Treatments, Antimicrobial Resistance in Staphylococcus and Ocular Diseases and Behçet’s Syndrome.

World rank
#191,716
of 1,633,909 ranked researchers
Rank in United States
#77,993
of 358,040
Works
27
Citations
136
Citations per work
5.0

What does Richard J. O’Callaghan research?

Ophthalmology: 43.6%Infectious Diseases: 10.3%Molecular Biology: 7.7%Dermatology: 7.7%other fields: 30.7%44%top field
Ophthalmology43.6%Infectious Diseases10.3%Molecular Biology7.7%Dermatology7.7%other fields30.7%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Ophthalmology44% of their works
  2. 2Infectious Diseases10% of their works
  3. 3Molecular Biology8% of their works
  4. 4Dermatology8% of their works
  5. 5Public Health, Environmental and Occupational Health8% of their works
  6. 6Genetics5% of their works

Research topics

Which keywords describe Richard J. O’Callaghan's research?

The keywords of their largest research topics: Antibiotic Resistance, Epidemiology, Endophthalmitis, Keratitis, Virulence Factors, Behçet's Disease, MRSA and Staphylococcus aureus.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 21 words, with their numbers
  1. Antibiotic Resistance153 topics
  2. Epidemiology134 topics
  3. Endophthalmitis111 topic
  4. Keratitis111 topic
  5. Virulence Factors52 topics
  6. Behçet's Disease41 topic
  7. MRSA41 topic
  8. Staphylococcus aureus41 topic
  9. Uveitis41 topic
  10. Dry Eye Disease31 topic
  11. Ocular Surface31 topic
  12. Acne Vulgaris21 topic
  13. Bacteria21 topic
  14. Biofilms21 topic
  15. Genomics22 topics
  16. Rosacea21 topic
  17. Type III Secretion System22 topics
  18. Bacterial Blight11 topic
  19. Plant Pathogenic Bacteria11 topic
  20. Yersinia pestis11 topic
  21. plague11 topic

Where does Richard J. O’Callaghan work?

Richard J. O’Callaghan's main affiliation in the publication record is Louisiana State University Health Sciences Center New Orleans, United States.

How many publications and citations does Richard J. O’Callaghan have?

Science Explorer counts 27 works and 136 citations for Richard J. O’Callaghan, ranking #191,716 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics are in the interactive view on the map. Is this your page? Request a correction or removal.