People tend to ignore the edges of screens. Because people have gotten used to the idea that there are things on computer screens that are not as relevant to the task at hand, such as logos, blank space, and navigation bars, they tend to move towards the center of the screen and avoid the edges. After the first look at a screen people then move in whatever is their normal reading pattern, in other words left to right/top to bottom in cultures that read that way.

https://www.blog.theteamw.com/2011/04/01/100-things-you-should-know-about-people-96-past-experience-and-expectations-determine-where-people-look/