Well, yes, crying too much can lead to high eye pressure. As we know that if you cry too much, it can just change your emotion. And then your blood pressure will be high. In that way, your eye pressure will turn high too. On the other hand, you should know that high eye pressure is kind of dangerous for it can lead to some other eye diseases, such as the red eyes and bloodshot. To treat it, you can sip fluids all the time. By sipping small amounts of fluids constantly, it will control your eye pressure. Also, some eye drops, such as beta blockers or carbonic anhydrase inhibitors can be effective too. But for your situation, you need control your emotion and do not cry too much.