Well, pink eye is basically caused by inflammation. Usually, the infection affects the eyes through allergens, bacteria or viruses. In other words, it is caused by the irritants. And it can certainly be worse if you ignore it and not take some measures to cure it. When it become worse, itching, watering eyes, swollen lids and a thick discharge can be possible. What's worse, once the inflammation attack to the cornea, it would even give rise to blindness. Therefore, for your sake of eyes, you'd better keep the habit of good hygiene, and take some measures to speed up the healing process of pink eyes fast immediately as soon as you get pink eyes. Such as putting some cool teabags on your eyes and using eye drops. If the situation become worse, you have to go to hospital to receive a physical examination.