World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
71
Citations
16931
World Ranking
20007
National Ranking
9966

Tomas S. Aleman 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 Tomas S. Aleman 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: 219 publications — 4th percentile

4% of scientists in this discipline score the same or lower.

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

Tomas S. Aleman 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 Tomas S. Aleman 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: 71 D-Index — 1st percentile

1% of scientists in this discipline score the same or lower.

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

Overview

Tomas S. Aleman is affiliated with the University of Pennsylvania in the United States. Their research primarily focuses on ophthalmology and related molecular biology fields, contributing extensively to the understanding of retinal development, retinal diseases, and treatments.

Their published work has been featured in several notable scientific venues, with frequent publications in:

  • Investigative Ophthalmology & Visual Science
  • Retinal Cases & Brief Reports
  • Ophthalmic Genetics
  • Translational Vision Science & Technology
  • Molecular Therapy

Major academic fields associated with Tomas S. Aleman include Medicine and Biochemistry, Genetics and Molecular Biology. Within these fields, the subfields they contribute to are:

  • Ophthalmology
  • Molecular Biology
  • Radiology, Nuclear Medicine and Imaging
  • Cellular and Molecular Neuroscience
  • Genetics

Their research spans several key topics involving the retina and vision science, including:

  • Retinal Development and Disorders
  • Retinal Diseases and Treatments
  • Glaucoma and retinal disorders
  • Photoreceptor and optogenetics research
  • Retinopathy of Prematurity Studies
  • Retinal and Macular Surgery
  • Cellular transport and secretion

Tomas S. Aleman has collaborated frequently with other researchers, including Erin O'Neil, Albert M. Maguire, Artur V. Cideciyan, Jean Bennett, and Emma Bedoukian.

Select recent publications include:

  • "Clinical Perspective: Treating RPE65-Associated Retinal Dystrophy", 2020, Molecular Therapy
  • "Gene Editing for CEP290-Associated Retinal Degeneration", 2024, New England Journal of Medicine
  • "Adeno-Associated Virus Serotype 2-hCHM Subretinal Delivery to the Macula in Choroideremia", 2022, Ophthalmology
  • "Assessment of Visual Function with Cotoretigene Toliparvovec in X-Linked Retinitis Pigmentosa in the Randomized XIRIUS Phase 2/3 Study", 2024, Ophthalmology
  • "A Virtual Reality Orientation and Mobility Test for Inherited Retinal Degenerations: Testing a Proof-of-Concept After Gene Therapy", 2021, Clinical ophthalmology

Best Publications

  • Gene therapy restores vision in a canine model of childhood blindness.

    Gregory M. Acland;Gustavo D. Aguirre;Jharna Ray;Qi Zhang

  • Treatment of Leber Congenital Amaurosis Due to RPE65 Mutations by Ocular Subretinal Injection of Adeno-Associated Virus Gene Vector: Short-Term Results of a Phase I Trial

    William W. Hauswirth;Tomas S. Aleman;Shalesh Kaushal;Artur V. Cideciyan

  • Human gene therapy for RPE65 isomerase deficiency activates the retinoid cycle of vision but with slow rod kinetics

    Artur V. Cideciyan;Tomas S. Aleman;Sanford L. Boye;Sharon B. Schwartz

  • Gene therapy for leber congenital amaurosis caused by RPE65 mutations: safety and efficacy in 15 children and adults followed up to 3 years

    Samuel G. Jacobson;Artur V. Cideciyan;Ramakrishna Ratnakaram;Elise Heon

  • Long-Term Restoration of Rod and Cone Vision by Single Dose rAAV-Mediated Gene Transfer to the Retina in a Canine Model of Childhood Blindness

    Gregory M. Acland;Gustavo D. Aguirre;Jean Bennett;Tomas S. Aleman

  • Human RPE65 Gene Therapy for Leber Congenital Amaurosis: Persistence of Early Visual Improvements and Safety at 1 Year

    Artur V. Cideciyan;William W. Hauswirth;Tomas S. Aleman;Shalesh Kaushal

  • Long-term protection of retinal structure but not function using RAAV.CNTF in animal models of retinitis pigmentosa.

    Fong-Qi Liang;Tomas S. Aleman;Nadine S. Dejneka;Lorita Dudus

  • Gene therapy rescues photoreceptor blindness in dogs and paves the way for treating human X-linked retinitis pigmentosa

    William A. Beltran;Artur V. Cideciyan;Alfred S. Lewin;Simone Iwabe

  • Stable transgene expression in rod photoreceptors after recombinant adeno-associated virus-mediated gene transfer to monkey retina

    Jean Bennett;Albert M. Maguire;Artur V. Cideciyan;Michael Schnell

  • Rapid restoration of visual pigment and function with oral retinoid in a mouse model of childhood blindness.

    J. Preston Van Hooser;Tomas S. Aleman;Yu Guang He;Artur V. Cideciyan

  • Identifying photoreceptors in blind eyes caused by RPE65 mutations: Prerequisite for human gene therapy success

    Samuel G. Jacobson;Tomas S. Aleman;Artur V. Cideciyan;Alexander Sumaroka

  • Mutations in ABCA4 result in accumulation of lipofuscin before slowing of the retinoid cycle: a reappraisal of the human disease sequence

    Artur V. Cideciyan;Tomas S. Aleman;Malgorzata Swider;Sharon B. Schwartz

  • Vision 1 year after gene therapy for Leber's congenital amaurosis.

    Artur V. Cideciyan;William W. Hauswirth;Tomas S. Aleman;Shalesh Kaushal

  • Safety of Recombinant Adeno-Associated Virus Type 2–RPE65 Vector Delivered by Ocular Subretinal Injection

    Samuel G. Jacobson;Gregory M. Acland;Gustavo D. Aguirre;Tomas S. Aleman

  • The nuclear receptor NR2E3 plays a role in human retinal photoreceptor differentiation and degeneration.

    Ann H. Milam;Linda Rose;Artur V. Cideciyan;Mark R. Barakat

  • Crumbs homolog 1 (CRB1) mutations result in a thick human retina with abnormal lamination

    Samuel G. Jacobson;Artur V. Cideciyan;Tomas S. Aleman;Michael J. Pianta

  • In vivo dynamics of retinal injury and repair in the rhodopsin mutant dog model of human retinitis pigmentosa

    Artur V. Cideciyan;Samuel G. Jacobson;Tomas S. Aleman;Danian Gu

  • In Utero Gene Therapy Rescues Vision in a Murine Model of Congenital Blindness

    Nadine S Dejneka;Enrico M Surace;Tomas S Aleman;Artur V Cideciyan

  • ABCA4 disease progression and a proposed strategy for gene therapy

    Artur V. Cideciyan;Malgorzata Swider;Tomas S. Aleman;Yaroslav Tsybovsky

  • Remodeling of the human retina in choroideremia: rab escort protein 1 (REP-1) mutations.

    Samuel G. Jacobson;Artur V. Cideciyan;Alexander Sumaroka;Tomas S. Aleman

Frequent Co-Authors

Samuel G. Jacobson
Samuel G. Jacobson University of Pennsylvania
Artur V. Cideciyan
Artur V. Cideciyan University of Pennsylvania
Jean Bennett
Jean Bennett University of Pennsylvania
Edwin M. Stone
Edwin M. Stone University of Iowa
Albert M. Maguire
Albert M. Maguire University of Pennsylvania
William W. Hauswirth
William W. Hauswirth University of Florida
Gustavo D. Aguirre
Gustavo D. Aguirre University of Pennsylvania
Sanford L. Boye
Sanford L. Boye University of Florida
Gregory M. Acland
Gregory M. Acland Cornell University
Krzysztof Palczewski
Krzysztof Palczewski University of California, Irvine

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