Subconjunctival Hemorrhage
Overview
Subconjunctival hemorrhage occurs when a small blood vessel under
the
conjunctiva breaks and bleeds. It may occur spontaneously
or from coughing, heavy lifting, or vomiting. In some cases, it may
develop following eye surgery or
 trauma.
Subconjunctival hemorrhage tends to be more common among
those with diabetes and hypertension.
While it may look frightening, a subconjunctival hemorrhage is
essentially harmless. The blood becomes trapped underneath the
clear conjunctival tissue, much like a bruise. The blood is
visible because it shows through the thin, clear conjunctiva.
The blood naturally absorbs within one to three weeks and no
treatment is required.
Signs
and Symptoms
Detection and Diagnosis
Most patients notice the subconjunctival hemorrhage when looking in
the mirror, or friend or family member points it out.
Treatment
Although it may look like an emergency, a subconjunctival hemorrhage
does not affect the vision and no treatment is required.
St. Luke's Cataract & Laser
Institute provides this on-line information for educational and
communication purposes only and it should not be construed as
personal medical advice. Information published on this St.
Luke's website is not intended to replace, supplant, or augment a
consultation with an eye care professional regarding the
viewer/user's own medical care. St. Luke's disclaims any and
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