´It was narrated from Anas bin Malik that:` The Messenger of Allah (ﷺ) said: "What is the matter with people who lift their gaze to the sky when praying?" And he spoke sternly concerning that until he said: "They must stop that or they will certainly lose their eyesight."
Hadith Referenceسنن نسائي / كتاب السهو / 1194
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:صحيح بخاري
´It was narrated from 'Ubaidullah bin Abdullah that:` A man from among the companions of the Prophet (ﷺ) told him that he heard the Messenger of Allah (ﷺ) say: 'If any one of you in praying, let him not lift his gaze to the sky, or his eyesight will be taken away.'"
Hadith Referenceسنن نسائي / كتاب السهو / 1195
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:إسناده صحيح
Hadith Takhrij«تفرد بہ النسائي، (تحفة الأشراف: 15634) ، مسند احمد 3/441 و 5/295 (صحیح)»