Tomas S. Aleman, MD
Ophthalmology
Accepting new patients
Sees patients age 4 and up
Scheie Eye Institute Perelman
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

Education and training

  • Medical School: Universidad de Ciencias Medicas de la Habana
  • Residency: Scheie Eye Institute
  • Fellowship: Scheie Eye Institute

What my patients think about me

Average Rating

457 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.

November 2025
dr. aleman is an amazing doctor. very knowledgeable and patient. i have recommended him to other family members who have the same eye disease as i do.
November 2025
dr aleman was thorough and patient
November 2025
explain better than other dr
November 2025
the best i had ever known

Insurance accepted

My 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

My research

Wu V, Roman AJ, Galsterer EL, Ansari G, Erdinest I, Righetti G, Viarbitskaya I, Russell RC, Kim RJ, Charlier J, Pfau K, Stingl K, Banin E, Pfau M, Stingl K, Aleman TS, Cideciyan AV. Measuring Rod- and Cone-Photoreceptor-Specific Vision in Inherited Retinal Diseases Using a Commercial Perimeter , Invest Ophthalmol Vis Sci, 66: 2025,31


Aleman TS, Uyhazi KE, Roman AJ, Weber ML, O'Neil EC, Swider M, Sumaroka A, Maguire KH, Aleman EM, Santos AJ, Kim RJ, Parchinski KM, Billek A, Fradin M, Chung W, Margaritis P, Sun J, Scoles DH, Wu V, Garafalo AV, Jayagopal A, Yerxa B, Tuller S, Maguire AM, Bennett J, Cideciyan AV. Recovery of cone-mediated vision in Lebercilin associated retinal ciliopathy after gene therapy: One-year results of a phase I/II trial , Mol Ther, 33: 2025,4784-4798


Sumaroka A, Swider M, Aleman TS, Cideciyan AV. Photoreceptor Disease at Ambiguous Transition Zones in Inherited Retinal Degenerations , Transl Vis Sci Technol, 14: 2025,11


Kim BJ, Aleman TS, Cousins KAQ, Daniel E, Smith E, Iacobucci E, Kolomeyer A, Hwang CK, McMillan CT, Van Deerlin VM, Phillips JS, Yu Y, Ying GS, Irwin DJ. Choroidal evaluation of FTLD-Tau and biomarker-determined Alzheimer's disease , Sci Rep, 15: 2025,22290


Chan L, Adams M, Aleman TS, Bloom SM. Intrafamilial Variability of IMPG1-Associated Vitelliform Dystrophy , Retin Cases Brief Rep: 2025


Schmidt, R.E., Pohodich, A.E., Birch, D., Jones, K., Lam, B.L., Jung, E.H., Jain, N., Georgiou, M., Mahroo, O.A., Webster, A.R., Michaelides, M., Bakall, B., Iannaccone, A., Vincent, A., Parameswarappa, D.C., Heon, E., Scholl, H.P.N., Janeschitz-Kriegl, L., Traboulsi, E.I., Zein, W., Brooks, B.P., Cukras, C., Hufnagel, R., Aleman, T.S., Sylla, M.M., Tsang, S.H., Alabek, M., Sahel, J., Gorin, M.B., Van Genderen, M.M., Stingl, K., Reith, M., Kohl, S., Amaral, R.A.S., Sallum, J.M.F., Vincent, A.L., Hull, S., Duncan, J.L., Hanson, J.V.M., Tedeus, M., Maggi, J., Graf, U., Koller, S., Berger, W., Gerth-Kahlert, C., Marra, M., Everett, L.A., Yang, P., Pennesi, M.E Variants in CFAP410 cause a range of retinal and skeletal phenotypes , NPJ Genomic Medicine, 10(1): 2025,32


Zhong A, Sumaroka A, Tsui JC, O’Neil EC, Cideciyan AV, Datz E, Bedoukian EC, Aleman TS, Scoles D Detailed Structural Abnormalities Associated to a Novel VCAN variant in a Family with Versican Vitreoretinopathy , Ophthalmic Genetics, 26: 2025,1-10


Cideciyan AV, Aleman TS Gene therapy for young children with congenital blindness , The Lancet, 405(10479): 2025,601-603


Jiang YY, Sumaroka A, Aleman TS, Cideciyan AV, Morgan JIW Adaptive optics imaging in RDH12-associated Leber congenital amaurosis , Invest. Ophthalmol. Vis. Sci.: 2025


Cideciyan AV, Roman AJ, Sumaroka A, Swider M, Garafalo AV, Wu V, Viarbitskaya I, Ho A, Pardon LP, Yoon D, Fujita K, Aleman TS Fast and slow improvements in rod sensitivity in LCA1 patients followed over three years after subretinal gene therapy , Invest. Ophthalmol. Vis. Sci.: 2025


View all publications