Trauma: Rubbing or trauma to the thin blood vessels under the eyelid skin could cause this.
Answered 12/13/2020
4.8k views
Focal trauma??: Trauma obviously. If occurs spontaneously i would seek evaluation. Also, may need blood studies for clotting ; anemia screening along with systemic lab tests if significant problem.
Answered 4/30/2015
4.8k views
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