Ecole Polytechnique Fédérale de Lausanne Nov 17 2025 Each year, thousands of stroke survivors are left with hemianopia, a condition that causes loss of half of their visual field (the "vertical midline"). Hemianopia severely affects daily activities such as reading, driving, or just walking through a crowded space. There are currently no treatments that can restore lost visual function in hemianopia satisfactorily. Most available options focus on teaching patients how to adapt to loss of vision