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Subconjunctival Hemorrhage
A subconjunctival hemorrhage is bleeding from the small blood
vessels under the conjunctiva, the thin, transparent membrane
covering the outer eyeball. It occurs spontaneously and can
sometimes be attributed to heavy coughing or an episode or
hypertension. Most of the time the exact cause is never known.
When a subconjunctival hemorrhage occurs, it creates a harmless, but
bright read blood appearance over the normally white part of the eye
called the sclera. The sudden appearance of blood frequently causes
unnecessary concern. The blood is very visible because the thin,
skin-like tissue covering the white of the eye is normally clear and
bleeding underneath this tissue shows through. On average, the blood
takes between 10 days and three weeks to absorb. No treatment is
required for subconjunctival hemorrhage, the blood will reabsorb
like a bruise elsewhere on the body.
A subconjunctival hemorrhage will clear with time; however, a second
subconjunctival hemorrhage may sometimes occur in the same area a
few weeks later. This too, will clear with no bad effect to the eye.
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