Chimdi Chuka Okosa

University of Nigeria

Publishing since 2002, latest 2026

Ophthalmology
Epidemiology
Radiology, Nuclear Medicine and Imaging
Genetics
Public Health, Environmental and Occupational Health
Cognitive Neuroscience

Their record on OpenAlex

Publications: 412002–2026
Citations: 412to those papers
h-index: 10i10-index 11
Field-weighted impact: 1.311.00 is the world average
World top 10%: 5%2 of 41 scored papers
Open access: 88%36 papers free to read

By year

Papers, and the citations to them

Publications, left axisCitations to that year’s papers, right axis2026 still in progress

Career

On their papers

Every institution they have given on a paper.

Publications

41 in all

Download CV:PDFWord

Citations received each year

Peerford

To all their work, old papers included. Google Scholar also counts citations from theses, books and web pages, so its line runs higher.

What they work on

From the classification of each paper

Subfields

Ophthalmology3585%
Epidemiology2254%
Radiology, Nuclear Medicine and Imaging1127%
Genetics37%
Public Health, Environmental and Occupational Health37%
Cognitive Neuroscience25%
Social Psychology25%
Surgery25%
Biomedical Engineering12%
Complementary and alternative medicine12%

Health Sciences
Life Sciences
Physical Sciences
Social Sciences

Topics most written on

Ophthalmology and Visual Impairment Studies21
Glaucoma and retinal disorders15
Ophthalmology and Visual Health Research9
Intraocular Surgery and Lenses7
Ocular Infections and Treatments5
Retinal Diseases and Treatments5
Ocular Diseases and Behçet’s Syndrome4
Retinal Imaging and Analysis4
Corneal surgery and disorders3
Retinal and Optic Conditions3
Traumatic Ocular and Foreign Body Injuries3
Ergonomics and Musculoskeletal Disorders2

Who they write with

Their most frequent co-authors, and the papers those co-authors share

Where their co-authors are

32% of their papers have a co-author abroad

papers co-written1234567Home

Most frequent partner countries

United Kingdom10
United States8
Ethiopia3
Ghana3
Singapore3
South Africa3
Zimbabwe3
China2

Papers with at least one author in that country.

Institutions written with most

University of Nigeria Teaching HospitalNG35 papers
Federal Teaching Hospital AbakalikiNG10 papers
Enugu State University of Science and TechnologyNG9 papers
University of IbadanNG8 papers
Federal Medical CentreNG7 papers
West Virginia UniversityUS5 papers
Duke UniversityUS5 papers
Legacy InternationalUS4 papers
Queen's University BelfastGB4 papers
University of MichiganUS4 papers

Where they publish

Nigerian Journal of Ophthalmology7
Journal of Glaucoma3
DOAJ (DOAJ: Directory of Open Access Journals)2
International Ophthalmology2
Nigerian Journal of Clinical Practice2
Nigerian Postgraduate Medical Journal2

Development goals addressed

From each paper’s title and abstract

3Good health and well-being6
1No poverty5
4Quality education4
11Sustainable cities and communities1
16Peace, justice and strong institutions1
17Partnerships for the goals1

Most cited

Association of Genetic Variants With Primary Open-Angle Glaucoma Among Individuals With African Ancestry
JAMA
201980 citationsWorld top 10%Open access · Bronze
A multi-cohort genome-wide association study in African ancestry individuals reveals risk loci for primary open-angle glaucoma
Cell
202477 citationsWorld top 10%Open access · Bronze
Traditional eye medicine use by newly presenting ophthalmic patients to a teaching hospital in south-eastern Nigeria: socio-demographic and clinical correlates

International Ophthalmology

Patients’ Acceptance of Glaucoma Therapy in Sub-Saharan Africa

2024Journal of GlaucomaJournalOpen accessCorresponding3 citations10.1097/ijg.0000000000002487

School Visual Impairment Survey in Anambra State, South-East Nigeria

2024Nigerian Journal of OphthalmologyJournalOpen access0 citations10.4103/njo.njo_20_23

Glaucoma Treatment Patterns in Sub-Saharan Africa

2023Journal of GlaucomaJournalOpen accessCorresponding5 citations10.1097/ijg.0000000000002273

Comparing posture induced intraocular pressure variations in normal subjects and glaucoma patients

2021International Journal of OphthalmologyJournalOpen accessSenior author11 citations10.18240/ijo.2021.03.11

Rural eye care practice-survey of ophthalmology resident doctors in Nigeria

2018DOAJ (DOAJ: Directory of Open Access Journals)JournalOpen accessSenior author2 citations10.3980/j.issn.1672-5123.2018.8.03

Sino-orbital aspergillosis with central nervous system complication: a case report

2006Nigerian Journal of OphthalmologyJournalOpen accessSenior author2 citations10.4314/njo.v13i2.11970

Congenital eye anomalies in Enugu, South-Eastern Nigeria

2005West African Journal of MedicineJournalOpen accessFirst author25 citations10.4314/wajm.v24i2.28178

Refractive errors among students of a postprimary institution in a rural community in South-Eastern Nigeria

2005West African Journal of MedicineJournalOpen accessFirst authorCorresponding15 citations10.4314/wajm.v24i1.28166

Amblyopia: Types, Presentation And Treatment – A Review

2004Nigerian Journal of OphthalmologyJournalOpen accessFirst authorCorresponding6 citations10.4314/njo.v11i2.11929

Diabetic Eye Disease in Enugu South-Eastern Nigeria – A Preliminary Report

2003Nigerian Journal of OphthalmologyJournalOpen access18 citations10.4314/njo.v11i1.11895

Glaucoma Services in the Gambia

2003Nigerian Journal of OphthalmologyJournalOpen accessFirst author4 citations10.4314/njo.v11i1.11909

Pecking injury of the eye by a hen: A case-report

2002DOAJ (DOAJ: Directory of Open Access Journals)JournalOpen accessFirst authorCorresponding3 citations

Orient Journal of Medicine

Rural and Remote Health2

How it can be read

88% free to read

Diamond 17 · 41%Free to read and to publish
Gold 6 · 15%In an open-access journal
Hybrid 1 · 2%Open in a subscription journal
Bronze 4 · 10%Free to read, no open licence
Green 8 · 20%A copy in a repository
Closed 5 · 12%Behind a paywall

Who funds it

7 of 41 papers name a funder

National Eye Institute4
National Institutes of Health4
National Human Genome Research Institute3
National Center for Advancing Translational Sciences2
National Institute of Diabetes and Digestive and Kidney Diseases2
Office of Research and Development2
Research to Prevent Blindness2
Algemene Nederlandse Vereniging ter voorkoming van Blindheid1

BMC Complementary and Alternative Medicine

200945 citationsOpen access · Gold

Congenital eye anomalies in Enugu, South-Eastern Nigeria

West African Journal of Medicine3

200525 citationsOpen access · Bronze