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José-Alain Sahel

Chair of Ophthalmology, University of Pittsburgh; director, UPMC Visio

An eye doctor and researcher who led the first reported case of partial sight recovery after optogenetic therapy in 2021 and the larger 10-patient follow-up study published in 2026. He was described in 2021 as a co-founder of GenSight Biologics, the company developing the treatment.

vision restorationoptogeneticsretinitis pigmentosagene therapy

WHAT TO WATCHWhether his team's light-sensing gene therapy moves into larger trials or new versions aimed at face recognition and reading.

ON THE WIRE

Every story about José-Alain’s work.

Profile sources

  1. 1
    Optogenetic therapy safe, shows signs of vision restoration in patients with advanced retinitis pigmentosa, according to international study led by Pitt scientists EurekAlert!
  2. 2
    Partial Vision Restored in Some Blind Patients With New Experimental Treatment ScienceAlert
  3. 3
    GenSight Biologics Announces Case Report Showing Visual Recovery after GS030 Optogenetic Treatment - Eyewire+ Eyewire+