Unfortunately, as far as i am concerned, your eyes are infected by the mascara. Some mascaras are made of chemicals, even the plastic. So by wearing them, they can make your eyes be in the risk of infection. In addition, it's the easy to spread the bacteria to your eyes, which can disorder your tear system and finally make your eyes watery. In some serious cases, it can even give rise to redness, itching, irritation, and a characteristic creamy discharge in your eyes. Accordingly, making them not be with allergies is important. And you'd better not wear mascara all the time to give your eyes a period of time to have a rest. To solve your situation, you can drop some eye drops in your eyes, and it can relieve your symptom. But if the symptom is not disappear or even get worse, maybe you should ask the doctor for help.