due to poor sight
Сослепа я перепутал его с братом.
Because of my poor eyesight, I mistook him for his brother.
Сослепа старик прошёл мимо своего дома.
Because of his poor eyesight, the old man walked past his own house.
Сослепа она не заметила ступеньку.
Because of her poor eyesight, she didn't notice the step.
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