Problem inside eye: The headache might be secondary to an inflammation inside the eye termed uveitis which can cause the red ring you have noticed. If the vision is down and the eye is light sensitive you should see an ophthalmologist as soon as possible to rule out this potentially vision threatening condition.
Answered 12/17/2017
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3 doctors weighed in across 2 answers
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2 doctors weighed in across 2 answers
A doctor has provided 1 answer
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