When should I be concerned about a bloodshot eye?
Call 911 or your local emergency number for red eye if: Your vision changes suddenly. It is accompanied by severe headache, eye pain, fever or unusual sensitivity to light. You also experience nausea or vomiting.
Can bloodshot eyes be serious?
A red eye is usually nothing to worry about and often gets better on its own. But sometimes it can be more serious and you’ll need to get medical help.
What can cause a sudden bloodshot eye?
Common causes of red eyes
- Infective conjunctivitis.
- Allergic conjunctivitis.
- Corneal ulcers.
- Dry eye syndrome.
- Subconjunctival hemorrhage.
- Medical conditions.
What is a bloodshot eye a symptom of?
Red eyes usually are caused by allergy, eye fatigue, over-wearing contact lenses or common eye infections such as conjunctivitis. However, redness of the eye sometimes can signal a more serious eye condition or disease, such as uveitis or glaucoma. Red eyes occur when the blood vessels on the surface of the eye expand.
What does a bloodshot eye indicate?
Red or bloodshot eyes occur when small blood vessels on the surface of the eye become enlarged and congested with blood. Red eyes alone are not usually a reason for concern. However, if there is also eye pain, watering, dryness, or impaired vision, this can indicate a serious medical problem.
What does a bloodshot eye mean?
A person can have red eyes for many reasons. For example, red eyes can indicate minor irritation or a more serious condition, such as an infection. Red or bloodshot eyes occur when small blood vessels on the surface of the eye become enlarged and congested with blood.
Can high blood pressure cause a bloodshot eye?
High blood pressure can damage the tiny, delicate blood vessels that supply blood to your eyes, causing: Damage to your retina (retinopathy). Damage to the light-sensitive tissue at the back of your eye (retina) can lead to bleeding in the eye, blurred vision and complete loss of vision.