Yes, eye strain can cause eye bags under your eyes. First, you should know that most bags under the eyes are the result of accumulated fat in the eye area. When the septum surrounding the eyeball weakens, it will lead to causing the outer layer of fat within the socket to sink forward. Then in this way, they can make it look like you have literal "bags" under your eyes. So when you have eye strain on your eyes, it is easy to weaken your eyes. At that time, the Bags under the eyes will occur. According to some experts, bags under eyes can also be caused by poor skin elasticity, excessive salt intake and pollutants, such as smoke. To get rid of them, you should take some measures, such as regulating inflammation and fluid retention, as well as constricting the blood vessels.