Tomas S. Aleman, MD

Ophthalmology
Accepting new patients
Sees patients age 4 and up
Scheie Eye Institute Perelman
Headshot of Tomas S. Aleman, MD
Penn Medicine Provider

About me

  • Director, Retinal Function and Structure Laboratories, Scheie Eye Institute
  • Director, Retinal Degenerations, Scheie Eye Institute
  • Director, Retinal Degeneration and Ophthalmic Genetics Fellowship Program, Scheie Eye Institute
  • Irene Heinz-Given and John LaPorte Research Professor

My education and training

  • Medical School: Universidad de Ciencias Medicas de la Habana
  • Residency: INTEGRIS Rural Healthcare of Oklahoma
  • Residency: Brookdale Hospital Medical Center
  • Residency: Scheie Eye Institute
  • Fellowship: Scheie Eye Institute

Reviews

Average Rating

548 reviews

Comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Penn Medicine.

Anonymous
April 2026
professional, down to earth, polite, took the time needed to explain information, kind
Anonymous
April 2026
i feel i am in wonderful hands.
Anonymous
April 2026
he is thorough
Anonymous
April 2026
he is absolutely the best

Insurance accepted

Please contact the practice and/or the member services department of your insurance company for specific details before receiving services. Providers may participate in some, but not all, products offered by a health plan; providers may also accept plans at some practice locations but not others.

Locations

Penn Medicine hospital privileges

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.
Dr. Aleman is a Penn Medicine physician.

Qualifications and experience

Treatments and Conditions

Research

Publications

Dufour VL, Sato Y, Sumaroka A, Sudharsan R, Banin E, Yu Y, Ripolles-Garcia A, Kwok J, Aleman TS, Ying GS, Sharon D, Cideciyan AV, Beltran WA, Aguirre GD PRCD-associated retinitis pigmentosa in dogs and humans , Exp Eye Res, 269: 2026,111045


Hüther A, Simon CL, Sumaroka A, O’Neil EC, Roman AJ, Kim RJ, Weber, Garafalo AV, Cideciyan AV, Aleman TS Bi-allelic pathogenic variants in NR2E3 may be associated with a subtle enhanced S-cone syndrome phenotype , Ophthalmic Genetics, 30: 2026,1-7


Cideciyan AV, Aleman TS Gene therapy for young children with congenital blindness , The Lancet, 144(2): 2026,165-166


Aleman TS, Cideciyan AV Measuring vision in children undergoing retinal gene therapy , JAMA Ophthalmol, 144(2): 2026,165-166


Zhang S, Avery RA, Wu V, Sumaroka A, Kim RJ, Maripuri DP, Datz E, Weber ML, Roman SJ, Tsang SH, Cideciyan AV, Aleman TS, O’Neil EC A Spectrum of severity of a unifying retinal phenotype in TUBB4B-associated inherited retinal degeneration , Retina Cases and Brief Reports: 2026


Darrah S, Xu P, Wendel BJ, Liu T, Warner RL, Jiang Y, Bharadwaj P, Kreis J, Wong J, Aleman TS, Cideciyan AV, Mustafi D, Chao JR, Carroll J, Duncan JL, Morgan JIW, Sabesan R. Baseline optoretinography for retinitis pigmentosa patients enrolled in the NAC Attack phase-III clinical trial AOSLO ancillary study , Invest. Ophthalmol. Vis. Sci.: 2026


O’Neil EC, Roman AJ, Wu V, Garafalo AV, Weber ML, Aleman TS, Cideciyan AV. Behavioral assessment of rod and cone sensitivity in young patients with inherited retinal disease: Development of Pediatric Dark-adapted Stimulus Test (PDST) , Invest. Ophthalmol. Vis. Sci.: 2026


Weber M, Cideciyan AV, O'Neil EC, Roman AJ, Sumaroka A, Swider M, Maguire K, Aleman EM, Kim RJ, Santos A, Parchinski K, Viarbitskaya I, Wu V, Garafalo AV, Michaelides M, Tsang SH, Pfau M, Moosajee M, Levin AV, Pierce EA, Comander J, Maguire AM, Scoles D, Bennett J, Aleman TS. Natural history of Leber Congenital Amaurosis associated with pathogenic variants in Lebercillin (LCA5): Cross-sectional and longitudinal observations , Invest. Ophthalmol. Vis. Sci.: 2026


Wu V, Roman AJ, Aleman TS, Cideciyan AV. Measuring rod- and cone-photoreceptor specific sensitivity with the Full-field Stimulus Test (FST) in inherited retinal diseases , Invest. Ophthalmol. Vis. Sci. : 2026


Sumaroka A, Bowles-Johnson K, Wu V, Garafalo AV, Viarbitskaya I, Aleman TS, Beltran WA, Miller DT, Cideciyan AV. Early features of ABCA4-associated Stargardt disease (ABCA4-STGD) in the extrafoveal perilesional retina , Invest. Ophthalmol. Vis. Sci.: 2026


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