Well, yes, it is normal to have halos around lights. And, if the pupil is dilating to a size larger than the treatment zone, it can lead to halos around lights. And that can be dangerous and annoying. And at that moment, your pupils will look bigger that normal. To treat it, according to some experts, eye drops should be used at the first stage. And then, you should go and see the eye doctor as soon as possible. And eye exam and medical cares can be essential.
It is not normal to see halos around lights. Your eyes may get infection or the eyes vision has some problems. You may have the blurry eyes vision. You could just use the eye drops with anti-inflammation to make the eyes get bright and moisture. You will then find that the halos will disappear.