As a matter of fact, it's actually possible to cause episcleritis because of stress. Episcleritis is an inflammation of the sclera of the eye. As we know that when you have stress, it can work on your eyes, and make your eye pressure high. Also, if your eyes suffer from high eye pressure, it can make your eyes become red and finally give rise to inflammation. It can damage your vision in some degree. Therefore, under this circumstance, you should avoid having high stress, and having a good rest is an effective to relieve your situation. and it can disappear in a few days. Besides, you also need to know that sport activities, consumption of alcohol in small quantities and smoking marihuana can increase the symptom. But it is recommend that you'd better go to the hospital for a thorough examination, after all, eye problem should be taken seriously.