What Causes Bloodshot Eyes?
3. Subconjunctival Hemorrhage
Subconjunctival hemorrhage is another common reason for bloodshot eyes. This occurs when a blood vessel in the eye bursts causing bleeding into the tissues of the eyes. It may happen when there is heavy sneezing, coughing, straining, injury, severe hypertension, coagulation disorder, and vomiting.
Although it may appear very alarming due to the bright red appearance in the affected eye, most cases do not require treatment and resolve on their own within a few weeks. Just like a bruise, the color may progress from bright red to a yellowish green color before fading completely. Besides bloodshot eyes, patients may also experience a scratchy or rough sensation in the eye. Treatment is generally unnecessary unless it is complicated by an eye infection or there is presence of trauma. Artificial tears may help alleviate discomfort in the eye.
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