Broken eye capillaries may be caused by trauma, eye surgery, eye inflammation, systemic diseases and other factors. 1. Trauma: the eye suffered an external blow, so that the local capillaries are damaged, will cause rupture bleeding situation, may also be accompanied by pain, swelling and other symptoms. 2. eye surgery: for example, eye surgery, in the process of surgery, may cause damage to the local blood vessels, will make the eye capillary bleeding. 3. Eye inflammation: such as keratitis, conjunctivitis, etc., which may be related to viral or bacterial infections, and when the infection is severe, it will lead to rupture of the eye capillaries and bleeding, which may be accompanied by symptoms such as itching, eye pain, tearing, and loss of vision. 4. Systemic diseases: the presence of hypertension or diabetes mellitus and other underlying pathologies may lead to the eye local blood vessels are relatively brittle, in a violent cough or excessive rubbing of the eyes, will lead to blood vessel rupture bleeding. Eye capillaries broken, should promptly consult a doctor for examination, clear causes for targeted treatment, to avoid causing other complications.