Well, yes, pink eyes can occur in only one eye or both of eyes. So you should be careful about it. Generally speaking, pink eye is often caused by eye infection because of viruses, bacteria, irritants, allergies. And when it occurs, one of your eyes, or both of your eyes will be red, itchy, even burning. So it can be annoying. To treat it, there are many ways we can just have a try. First, you should keep your eyes far from infection resource. Also, you can just try rose water. And first, you should take 100 grams of rose petals and wash them thoroughly under running water. And then, put the rose petals in boiling water and cover the vessel for 5 minutes. And then just remove the vessel from the flame and allow the solution to cool. And then just apply rose water directly on your eyes. And that can be effective. By the way, cold compresses with ice can be tried too.