A member asked:

What are the causes of burst blood vessel in eye?

6 doctors weighed in across 2 answers
Dr. Tim Conrad answered

Specializes in Ophthalmology

Depends: A broken blood vessel on the surface of the eye causes a subconjunctival hemorrhage, an ugly but harmless lesion. They can occur spontaneously, by rubbing your eye or even a cough or sneeze.

Answered 4/18/2018

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Usually nothing bad: 99+% of the time this just happens spontaneously and we never know why. High blood pressure can be a cause, though. Get your blood pressure checked. If this happens repeatedly you should see your doc.

Answered 8/1/2018

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