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Best Scientists

D-Index
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57

Medicine

D-Index
238
Citations
223919
World Ranking
49
National Ranking
37

Ronald Klein 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 Ronald Klein 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: 1,508 publications — 99th percentile

99% of scientists in this discipline score the same or lower.

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

Ronald Klein 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 Ronald Klein 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: 238 D-Index — 100th percentile

100% 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

  • 2025 - Research.com Best Scientists Award
  • 2023 - Research.com Medicine in United States Leader Award
  • 1994 - Kelly West Award, American Diabetes Association

Overview

Ronald Klein was affiliated with the University of Wisconsin-Madison in the United States. Their research primarily focused on the field of Medicine, with a specialized concentration in Ophthalmology, contributing to 42 publications in that subfield. Other subfields included Radiology, Nuclear Medicine and Imaging, Endocrinology, Diabetes and Metabolism, Surgery, and Cardiology and Cardiovascular Medicine.

The scientist's work covered multiple significant topics, such as Retinal Imaging and Analysis, Retinal Diseases and Treatments, and Glaucoma and retinal disorders. Their research also addressed Retinal and Optic Conditions, Ophthalmology and Visual Impairment Studies, Hearing Loss and Rehabilitation, and Noise Effects and Management.

They published in various venues, notably UNC Libraries with 12 publications, JAMA Ophthalmology with 3, Diabetes with 3, Ophthalmic Epidemiology with 3, and the Journal of the American Society of Nephrology with 2 publications.

Among frequently collaborating coauthors were Tien Yin Wong, Mary Frances Cotch, Karen J. Cruickshanks, Stacy M. Meuer, and Natascha Merten, reflecting active participation in collaborative research networks.

Notable papers include:

  • Prevalence of Age-related Maculopathy, 2020, Ophthalmology
  • Prevalence of Visual Acuity Loss or Blindness in the US, 2021, JAMA Ophthalmology
  • Long-term Outcomes of Adding Lutein/Zeaxanthin and ω-3 Fatty Acids to the AREDS Supplements on Age-Related Macular Degeneration Progression, 2022, JAMA Ophthalmology
  • Genome-wide association meta-analysis of corneal curvature identifies novel loci and shared genetic influences across axial length and refractive error, 2020, Communications Biology
  • Prevalence, Progression, and Modifiable Risk Factors for Diabetic Retinopathy in Youth and Young Adults With Youth-Onset Type 1 and Type 2 Diabetes: The SEARCH for Diabetes in Youth Study, 2023, Diabetes Care

Ronald Klein received the Kelly West Award from the American Diabetes Association in 1994.

Best Publications

  • Association of estimated glomerular filtration rate and albuminuria with all-cause and cardiovascular mortality in general population cohorts: a collaborative meta-analysis.

    Kunihiro Matsushita;Marije van der Velde;Brad C. Astor;Mark Woodward

  • Global Prevalence and Major Risk Factors of Diabetic Retinopathy

    Joanne W.Y. Yau;Sophie L. Rogers;Ryo Kawasaki;Ecosse L. Lamoureux;Ecosse L. Lamoureux

  • Global prevalence of age-related macular degeneration and disease burden projection for 2020 and 2040: a systematic review and meta-analysis.

    Wan Ling Wong;Xinyi Su;Xiang Li;Chui Ming G Cheung

  • Proposed international clinical diabetic retinopathy and diabetic macular edema disease severity scales

    Charles P. Wilkinson;Frederick L. Ferris;Ronald Klein;Paul P. Lee

  • Causes and prevalence of visual impairment among adults in the United States.

    Nathan Congdon;Benita O'Colmain;Caroline C W Klaver;Ronald Klein

  • Prevalence of age-related maculopathy. The Beaver Dam Eye Study.

    Ronald Klein;Barbara E.K. Klein;Kathryn L.P. Linton

  • The Wisconsin Epidemiologic Study of Diabetic Retinopathy: II. Prevalence and Risk of Diabetic Retinopathy When Age at Diagnosis Is Less Than 30 Years

    Ronald Klein;Barbara E. K. Klein;Scot E. Moss;Matthew D. Davis

  • An international classification and grading system for age-related maculopathy and age-related macular degeneration

    A.C. Bird;N.M. Bressler;S.B. Bressler;I.H. Chisholm

  • The prevalence by staged severity of various types of diabetic neuropathy, retinopathy, and nephropathy in a population‐based cohort The Rochester Diabetic Neuropathy Study

    Peter James Dyck;K. M. Kratz;J. L. Karnes;W. J. Litchy

  • The Beaver Dam Eye Study. Retinopathy in adults with newly discovered and previously diagnosed diabetes mellitus.

    Ronald Klein;Barbara E.K. Klein;Scot E. Moss;Kathryn L.P. Linton

  • The Wisconsin epidemiologic study of diabetic retinopathy. VI: Retinal photocoagulation

    Ronald Klein;Barbara E.K. Klein;Scot E. Moss;Matthew D. Davis

  • The Wisconsin epidemiologic study of diabetic retinopathy. III. Prevalence and risk of diabetic retinopathy when age at diagnosis is 30 or more years.

    Ronald Klein;Barbara E. K. Klein;Scot E. Moss;Matthew D. Davis

  • Onset of NIDDM occurs at Least 4–7 yr Before Clinical Diagnosis

    Maureen I Harris;Ronald Klein;Tim A Welborn;Matthew W Knuiman

  • The Wisconsin age-related maculopathy grading system.

    Ronald Klein;Matthew D. Davis;Yvonne L. Magli;Paul Segal

  • The prevalence of diabetic retinopathy among adults in the United States.

    Kempen Jh;O'Colmain Bj;Leske Mc;Haffner Sm

  • The Five-year Incidence and Progression of Age-related Maculopathy: The Beaver Dam Eye Study

    Ronald Klein;Barbara E.K Klein;Sandra C Tomany;Stacy M Meuer

  • Prevalence of Hearing Loss in Older Adults in Beaver Dam, Wisconsin The Epidemiology of Hearing Loss Study

    Karen J. Cruickshanks;Terry L. Wiley;Theodore S. Tweed;Barbara E.K. Klein

  • Prevalence of and Risk Factors for Dry Eye Syndrome

    Scot E. Moss;Ronald Klein;Barbara E. K. Klein

  • A large genome-wide association study of age-related macular degeneration highlights contributions of rare and common variants

    Lars G. Fritsche;Wilmar Igl;Jessica N.Cooke Bailey;Felix Grassmann

  • Global prevalence and major risk factors of diabetic retinopathy.

    Olubukola Ajala;Patrick English;Jonathan Pinkney;Joanne W Y Yau

Frequent Co-Authors

Barbara E. K. Klein
Barbara E. K. Klein University of Wisconsin–Madison
Tien Yin Wong
Tien Yin Wong Tsinghua University
Scot E. Moss
Scot E. Moss University of Wisconsin–Madison
Karen J. Cruickshanks
Karen J. Cruickshanks University of Wisconsin–Madison
Jie Jin Wang
Jie Jin Wang University of Sydney
Paul Mitchell
Paul Mitchell University of Sydney
A. Richey Sharrett
A. Richey Sharrett Johns Hopkins University
Sudha K. Iyengar
Sudha K. Iyengar Case Western Reserve University
Rohit Varma
Rohit Varma University of Southern California
Ronald E. Gangnon
Ronald E. Gangnon University of Wisconsin–Madison

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