World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
100
Citations
45012
World Ranking
8183
National Ranking
4243

Alfred Sommer publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Alfred Sommer sits on this spectrum.

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 611 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 404 publications — 39th percentile

39% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

Alfred Sommer D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Alfred Sommer sits on this spectrum.

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 400 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 100 D-Index — 60th percentile

60% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Research.com Recognitions

  • 2006 - Gonin Medal, International Council of Ophthalmology
  • 2002 - Warren Alpert Foundation Prize For his pioneering work in understanding the role of vitamin A supplementation in preventing blindness and life-threatening infections in children in the developing world.
  • 2001 - Member of the National Academy of Sciences
  • 1992 - Member of the National Academy of Medicine (NAM)

Overview

Alfred Sommer is affiliated with Johns Hopkins University in the United States. Their research primarily spans the field of Medicine, with a concentration on Ophthalmology. The subfields of study include Ophthalmology, Pathology and Forensic Medicine, Epidemiology, Surgery, and Neurology.

The scientist's work covers several main topics, including:

  • Retinal and Optic Conditions
  • Glaucoma and retinal disorders
  • Ocular Diseases and Behçet's Syndrome
  • Cerebral Venous Sinus Thrombosis
  • Global Maternal and Child Health
  • Global Health Care Issues
  • Healthcare Systems and Reforms

Alfred Sommer has authored multiple recent papers, notably:

  • "Humans, Viruses, and the Eye-An Early Report From the COVID-19 Front Line," 2020, published in JAMA Ophthalmology
  • "Prevalence of Visual Impairment in the United States: Ease versus Accuracy," 2020, published in Ophthalmology
  • "Using the Internet to Detect Emerging Outbreaks-Armchair Epidemiology," 2021, published in JAMA Ophthalmology

Their frequent coauthors include:

  • Pradeep Y. Ramulu
  • Abdelhalim Awidi
  • Jiangxia Wang
  • Varshini Varadaraj
  • Muhammad Ali

Alfred Sommer has published predominantly in the following venues:

  • JAMA Ophthalmology
  • Ophthalmology
  • American Journal of Ophthalmology
  • Annals of Joint
  • Die Unfallchirurgie

The scientist has received multiple awards, including:

  • Gonin Medal, International Council of Ophthalmology, 2006
  • Warren Alpert Foundation Prize, 2002, for pioneering work on vitamin A supplementation and its effects on preventing blindness and infections in children in developing countries
  • Member of the National Academy of Sciences, 2001
  • Member of the National Academy of Medicine (NAM), 1992

Best Publications

  • Efficacy and effectiveness of influenza vaccines: a systematic review and meta-analysis

    Michael T Osterholm;Nicholas S Kelley;Alfred Sommer;Edward A Belongia

  • Racial variations in the prevalence of primary open-angle glaucoma. The Baltimore Eye Survey.

    James M. Tielsch;Alfred Sommer;Joanne Katz;Richard M. Royall

  • Relationship between intraocular pressure and primary open angle glaucoma among white and black Americans. The Baltimore Eye Survey.

    Alfred Sommer;James M. Tielsch;Joanne Katz;Harry A. Quigley

  • Clinically detectable nerve fiber atrophy precedes the onset of glaucomatous field loss.

    Alfred Sommer;Joanne Katz;Harry A. Quigley;Neil R. Miller

  • The VF-14. An index of functional impairment in patients with cataract.

    Earl P. Steinberg;James M. Tielsch;Oliver D. Schein;Jonathan C. Javitt

  • Racial differences in the cause-specific prevalence of blindness in east Baltimore

    Alfred Sommer;James M. Tielsch;Joanne Katz;Harry A. Quigley

  • Hypertension, Perfusion Pressure, and Primary Open-angle Glaucoma: A Population-Based Assessment

    James M. Tielsch;Joanne Katz;Alfred Sommer;Harry A. Quigley

  • Impact of vitamin A supplementation on childhood mortality. A randomised controlled community trial.

    Alfred Sommer;Alfred Sommer;Edi Djunaedi;Edi Djunaedi;A. A. Loeden;A. A. Loeden;Ignatius Tarwotjo;Ignatius Tarwotjo

  • Vitamin A Deficiency: Health, Survival, and Vision

    Alfred Sommer;Keith P. West

  • An evaluation of optic disc and nerve fiber layer examinations in monitoring progression of early glaucoma damage.

    Harry A. Quigley;Joanne Katz;Robert J. Derick;Donna Gilbert

  • Vitamin A Deficiency

    Alfred Sommer

  • Blindness and Visual Impairment in an American Urban Population: The Baltimore Eye Survey

    James M. Tielsch;Alfred Sommer;Kathe Witt;Joanne Katz

  • Increased risk of respiratory disease and diarrhea in children with preexisting mild vitamin A deficiency.

    A Sommer;J Katz;I Tarwotjo

  • A Population-based Evaluation of Glaucoma Screening: The Baltimore Eye Survey

    James M. Tielsch;Joanne Katz;Kuldev Singh;Harry A. Quigley

  • Family History and Risk of Primary Open Angle Glaucoma: The Baltimore Eye Survey

    James M. Tielsch;Joanne Katz;Alfred Sommer;Harry A. Quigley

  • Double blind, cluster randomised trial of low dose supplementation with vitamin A or β carotene on mortality related to pregnancy in Nepal

    Keith P West;Joanne Katz;Subarna K Khatry;Steven C LeClerq

  • INCREASED MORTALITY IN CHILDREN WITH MILD VITAMIN A DEFICIENCY

    Alfred Sommer;Gusti Hussaini;Ignatius Tarwotjo;Djoko Susanto

  • The Nerve Fiber Layer in the Diagnosis of Glaucoma

    Alfred Sommer;Neil R. Miller;Irvin Pollack;A. Edward Maumenee

  • Prevalence and risk factors for refractive errors in an adult inner city population.

    Joanne Katz;James M. Tielsch;Alfred Sommer

  • Effects of alternative maternal micronutrient supplements on low birth weight in rural Nepal: double blind randomised community trial

    Parul Christian;Subarna K Khatry;Joanne Katz;Elizabeth K Pradhan

Frequent Co-Authors

Joanne Katz
Joanne Katz Johns Hopkins University
Keith P. West
Keith P. West Johns Hopkins University
James M. Tielsch
James M. Tielsch George Washington University
Harry A. Quigley
Harry A. Quigley Johns Hopkins University
Hugh R. Taylor
Hugh R. Taylor University of Melbourne
Richard D. Semba
Richard D. Semba Johns Hopkins University School of Medicine
Jonathan L. Katz
Jonathan L. Katz National Institute on Drug Abuse
Oliver D. Schein
Oliver D. Schein Johns Hopkins University School of Medicine
Marie Diener-West
Marie Diener-West Johns Hopkins University
Eric B. Bass
Eric B. Bass Johns Hopkins University

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