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An eye injury can happen due to an accident, sports injury, or if you get something in your eye. An injury to the eye can cause pain, swelling, redness and other symptoms. You can't always tell when an eye has been injured. If you know you have injured your eye, see your GP as soon as possible. Your GP will ask you about your symptoms and what you were doing before symptoms began. They will refer you to a specialist called an ophthalmologist if your eye injury is serious. In serious cases, an eye injury can lead to blindness.