Open your eyes, Wei Zi.

Normal phenomenon; But it is not recommended to do so often;

First: when you press hard, the axis of the eye will change temporarily, which is equivalent to changing the refractive properties of the whole eyeball.

Second: If you press hard, the object in the eyeball will press the retina, causing the retina to be damaged, unable to work normally and affecting vision;

So don't press your eyes hard; Short-term compression is blurred vision, and long-term compression may also lead to retinal necrosis and direct blindness;