Blood vessels burst is just subconjunctival hemorrhage, because subconjunctival blood vessels are more fragile, it may break itself, or broken by external force. If you frequently have this symptom, you should consider whether you have high blood pressure, diabetes or other blood diseases. In general, subconjunctival hemorrhage does not need treatment, it will self-absorption in seven to fourteen days, and not leave any sequelae, but you should avoid rubbing eyes and any eye trauma, in order to prevent further bleeding. But if you have hypertension, diabetes or other blood disease, and subconjunctival hemorrhage often happens, this may be a warning, which reminds you to pay attention to your vascular status of your body. At this time, you should go to the hospital to have a detailed examination.