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blood spot on eye

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Hi today I have found that I have a large red spot which I assume is blood. I have a slight irritation but that's it. I know I haven't scratched it or anything. Can anyone help?
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First Helper User Profile Gaelic
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replied October 2nd, 2011
Especially eHealthy
Chelsea_304,

This is called a subconjunctival hemorrhage. Most subconjunctival hemorrhages are spontaneous without an obvious cause for the bleeding from the conjunctival vessels. Often, a person may discover a subconjunctival hemorrhage on awakening and looking in the mirror. Most spontaneous subconjunctival hemorrhages are first noticed by another person seeing a red spot on your eye.

The following can occasionally result in a spontaneous subconjunctival hemorrhage:
-sneezing,
-coughing,
-straining/vomiting,
-eye rubbing,
-trauma (injury),
-high blood pressure,
-bleeding disorder, or
-a medical disorder causing bleeding or inhibiting normal clotting.

Subconjunctival hemorrhage can also be non-spontaneous and result from a severe eye infection, trauma to the head or eye, or after eye or eyelid surgery.

The conjunctiva is the thin, moist, transparent membrane that covers the white part of the eye (called the sclera) and the inside of the eyelids. The conjunctiva is the outermost protective coating of the eyeball. The conjunctiva contains nerves and many small blood vessels. These blood vessels are usually barely visible but become larger and more visible if the eye is inflamed. These blood vessels are somewhat fragile, and their walls may break easily, resulting in a subconjunctival hemorrhage (bleeding under the conjunctiva). A subconjunctival hemorrhage appears as a bright red or dark red patch on the sclera.

Self-Care at Home:
Usually, no treatment is needed. Over-the-counter artificial tears can be applied to the eye if mild irritation is present. The use of aspirin or ibuprofen (NSAIDs) should be avoided.

When to Seek Medical Care:
Call your ophthalmologist (a medical doctor who specializes in eye care and surgery) if the subconjunctival hemorrhage does not get better within two weeks or if you have had multiple subconjunctival hemorrhages.

Also, call your ophthalmologist if you have a hemorrhage in both eyes at the same time or if the subconjunctival hemorrhage coincides with other symptoms of bleeding including easy bruising, bleeding gums, or both.

Go to your ophthalmologist immediately if you have a subconjunctival hemorrhage and you have:
-pain associated with the hemorrhage,
-changes in vision (e.g. blurry vision, double vision, difficulty seeing),
-history of a bleeding disorder,
-history of high blood pressure, or
-injury from trauma to the eye.


Good luck.
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