The answer is absolutely yes. When you are lying down reading, it is difficult to control the distance between the letters and the eye as well as the viewing angle and the local oppression of your brain can affect the blood flow. When people are readings, the two eyes are playing a visual role at the same time. The burden that the two eyeballs bear is basically the same, and they are also in a same substantially horizontal state. If you are lying down reading, the situation is not quite the same. When you are lying down reading, the two eyes are not in a same horizontal, so that the eyes bear the varying burden. Eye will feel fatigue easily. When you are lying down reading, it is difficult to make the eyes and reading materials to maintain a distance of more than 30 cm, the eyes will bear the triple burden of posture, line-of-sight and distance. If you don't change it, it will result in myopic eyes or other eye abnormalities. Therefore, lying reading and watching TV will easily lead to eye fatigue and a little longer, there will be a feeling of dryness in the eyes which will cause serious visual impairment.