From Sahih Muslim (Hadith 2132):
Abu Huraira reported Allah's Messenger (ﷺ) as saying:Did you not see when the man died and his eyes were fixedly open? He (Abu Huraira) said: Yes. He (the Holy Prophet) said: It is due to the fact that when (the soul leaves the body) his eyesight follows the soul
Reference: Muslim 2132