In general, if the eyes are not focused or lax, it is likely to be caused by myopia or astigmatism, so it is best to go to a regular hospital for a dilated eye exam to see the true refractive state. If there is really myopia or astigmatism, it is best to get a pair of appropriate glasses to effectively correct the symptoms. This can also happen if you look at your cell phone or computer for a long time or stay up late for a long time. You must pay attention to rest, develop good eye habits and eye hygiene, and only when you are more energetic can you appear to be more focused and not lax in looking at things. So usually, you must do more outdoor activities, must look less at the cell phone, computer, pay attention to rest. At the same time, it is best to look less at electronic products and less at bad websites during normal times to protect your eyes very well, and you can also use eye drops that relieve fatigue, such as heptafolium digitalis bisaccharide eye drops.