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What are some possible causes of bleeding in the eye?

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Quick Answer

Potential causes of bleeding in the eye include eye trauma, use of blood-thinning medications, a sudden increase in blood pressure and certain types of eye surgery, according to All About Vision. In rare instances, a vitamin K deficiency or blood clotting disorder can cause eye bleeding.

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Full Answer

An eye injury caused by a foreign object hitting the eye, rough rubbing of the eye or a severe eye infection may cause bleeding of the eye, also known as subconjunctival hemorrhage, according to Mayo Clinic. Constipation, heavy lifting, coughing, sneezing or laughing can all cause an increase in blood pressure that may lead to subconjunctival hemorrhage, as stated by All About Vision. Blood thinners that may cause bleeding include aspirin and warfarin, and a few surgeries associated with the condition include LASIK and cataract surgery.

Subconjunctival hemorrhage occurs when the fragile blood vessels beneath the conjunctiva of the eye burst, as confirmed by All About Vision. The condition normally causes no discomfort or vision problems, and it generally resolves on its own within one or two weeks. Patients should avoid rubbing the eye until it heals. However, they should continue taking prescribed blood thinners and other medications unless their doctor instructs them otherwise. Although eye drops cannot repair blood vessels, they can soothe irritated eyes after a subconjunctival hemorrhage.

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