You need to go see a doctor. Eye pain is a very common symptom for people. There are many causes may make your eyes pain. Such as Conjunctivitis, you may have the symptom of itching and redness too. Chemical burns and flash burns are also significant causes of eye pain. Most likely, something get into your eyes. Donâ€™t worry, take an examination and find out the causes. You will be fine.
Well, for your situation, it is hard to say what happens in your eyes. But we can just give some possibility in your eyes. First, when you are outside, the light is so strong that when we open our eyes to see it. Maybe in that way, hurt in your eyes will occur, for our eyes are so very sensitive that they will react to the stimulation from sun light. In some cases, watery eyes will accompany too. Of course, for your situation, eye infection can be possible too, for there are many dirty objects in the air outside. So youâ€™d better wear sunglasses to protect your eyes from the strong light and the UV rays. If your eyes still hurt, go and see the eye doctor as soon as possible.