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You could also get stuck with perpetually widened attention. Occasionally you will look at small details, but you'll hang on to ceratin aspects of the widened attention state, so you'll look at details in a way that is incomplete and doesn't facilitate good vision. And much of the time you do narrow your attention to details, it isn't really narrowed as much as it needs to be. I will be describing all of this in more detail.

This state of widened attention apparently has to do with the flight-or-flight-or-freeze response of the sympathetic nervous system, as Ray Gottlieb described in his 1978 PhD dissertation, “The Psychophysiology of Nearsightedness.” He suggests that people with myopia are stuck in somewhat in that state, which serves an immediate purpose but has numerous physical consequences when it's perpetuated long-term. For the purposes of the study he looked at myopia only. The nervous system is beyond my area of knowledge, so I just mention it here for context and as a subject for supplementary material if you want to understand that aspect of the situation further.

So a brief state of widened attention is normal when you look at an unfamiliar object, to gather some context about the details you will be looking at, as well as when you are startled or in danger, but this state is not meant to be extended beyond a moment. Essentially that's what you have done. Your visual system can't function very well long-term that way. It needs to be mostly centered on details, as I have described in the section dealing with the physiological basis for this subject.

So remaining in a state of widened attention is a form of abuse to your eyes. The level of abuse will vary depending on what you're doing, but you continue it pretty much every waking moment. Even when you sleep, your eye muscles remain tense as a reaction to the abuse.

The following steps will help you readjust your process of seeing to how the visual system was designed to see.