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.
Can bloodshot eyes be serious?
Redness of the eye, also called bloodshot eyes, can indicate the presence of several different health problems. While some of these problems are benign, others are serious and require emergency medical attention. However, most serious eye problems happen when you have redness along with pain or changes in your vision.
What do bloodshot eyes mean?
Bloodshot or red eyes occur when small blood vessels that are present on the surface of the eye become enlarged and congested with blood. This happens due to an insufficient amount of oxygen being supplied to the cornea or the tissues covering the eye.
How do you cure a red eye?
Short-term solutions for red eyes
- Warm compress. Soak a towel in warm water and wring it out.
- Cool compress. If a warm compress isn’t working, you can take the opposite approach.
- Artificial tears. Tears lubricate your eyes and help keep them clean.
Can high blood pressure cause red eyes?
Bloodshot eyes may be a warning sign of hypertension. High blood pressure can damage the blood vessels that supply blood to your retina, the light-sensitive part of your eye. This is known as hypertensive retinopathy.