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Subconjunctival Hemorrhage

👤by AP 0 comments 🕔Friday, September 16th, 2016

Bright redness of the whites of the eyes can also occur when the tiny blood vessels covering the whites of the eyes rupture from trauma or changes in pressure within the head (for example, after forceful laughing or vomiting, when diving under water, or even bending upside down). While it is similar, this condition is called subconjunctival hemorrhage, and while it can appear frightening, it is generally harmless. This condition is different from the inflammation of the conjunctiva seen with pinkeye.

The conjunctiva is the clear tissue that covers the white of the eye (the sclera) and lines the inside of both eyelids. A subconjunctival hemorrhage is blood that is located between the conjunctiva and the underlying sclera.

Most subconjunctival hemorrhages are spontaneous and not linked to any specific risk factors. If the hemorrhage is not spontaneous, then the risk factors for subconjunctival hemorrhage include trauma to the eye, eye surgery, the use of contact lenses, the use of medication that inhibits clotting or promotes bleeding, and diseases that are characterized by decreases in platelet count or vascular fragility. Because of the association between increasing vascular fragility and advanced age, being older also includes an increased risk of subconjunctival hemorrhage.

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