Apparently it could have been "the large doses of anticoagulants mixed with other medicines" while he was being treated for his injuries that cured his blindnes

Apparently it could have been "the large doses of anticoagulants mixed with other medicines" while he was being treated for his injuries that cured his blindness, according to this article: https://www.standardmedia.co.ke/ureport/article/2001358795/man-blind-for-20-years-regains-sight-after-being-hit-by-car-at-zebra-crossing https://www.standardmedia.co.ke/ureport/article/2001358795/m...