More than two weeks after a projectile struck Mohammad An-Najjar's right eye during a Gaza border protest, the 12-year-old boy has only just learned that he will never see through it again.
Lamia Abu Harb said that Palestinian medics told her that her son may need a glass eye.
The military said there had been "many attempts to infiltrate and breach the fence" that day, and warned Gazans not to try to breach it.
One Israeli soldier was lightly injured by stones and taken to hospital for treatment, the military said, adding that troops were "responding by using riot dispersal means and according to the rules of engagement."
The Gaza protesters are demanding an end to an Israeli and Egyptian blockade on the narrow coastal strip, which is home to around two million Palestinians. They also seek the right to return to lands that Palestinians fled or were driven from upon Israel's founding in 1948.
Israel accuses the Islamist group Hamas, which controls Gaza, of orchestrating the protests along the border fence to provide cover for attacks and to distract from Gaza’s economic plight. Hamas denies the allegations.