Well, generally speaking, photophobia can go away by itself. And at that moment, you do not need to worry about it. But on the other hand, it also can be dangerous to have it. First, you should know that photophobia is eye discomfort in bright light. When you go outside with photophobia, it can just make your sight become confused. For the causes, burns to the eyes or corneal abrasion and even some medicines can also lead to it. To treat it, you can just eat certain foods such as Chinese wolfberries. Also, carotene from carrots and vitamin A can be useful too. By the way, you can just wear eye patch which can just protect your eyes from the irritants. Anyway, just be careful about it.