What is the ruling on following the imam by looking at the mushaf?

Question : The questioner asks: What is the ruling on following the imam in the mushaf?

Answer : Yes, following the imam in the mushaf means that the ma'mum takes the mushaf to follow the imam's recitation. This is permissible if there is a need for it, such as when the imam has a weak memory. In that case, he tells one of the ma'mum, "Hold the mushaf."
So that he can correct me if I make a mistake. There is nothing wrong with this because it is for a need. However, if it is not done in this manner, I do not see it as permissible. I do not think a person should follow the imam in the mushaf, because it causes him to miss something required and leads him to do something undesirable. What is the required thing he misses? Looking at the place of his prostration.
Second, placing the hands on the chest is a recommended practice (sunnah). And he falls into what is undesirable, which is the movement of carrying the mushaf, opening it, folding it, and placing it. These are all movements that are not needed. The scholars have said that movement in prayer, if there is no need for it, is disliked (makruh), because it is contrary to the perfection of khushu' (humility). In fact, some scholars said that it is a movement that invalidates the prayer, regarding the movement of the eyes, because the eyes will follow.
The eyes will follow the recitation from the beginning of the line to the end, and from the beginning of the second line to the end, and so on. Even though there are many letters and many words, this results in a lot of movement of the eyes, and this invalidates the prayer. Some scholars have said this. My advice to my brothers is to leave this matter and to accustom themselves to khushu' without looking at the mushaf. Yes.