Red eye

Red eye is a condition that causes the white part of the eye to become red or bloodshot. This can occur due to various reasons such as allergies, eye strain, conjunctivitis, or more serious conditions like glaucoma.

Causes

The most common causes of red eye are:

• Allergies: Allergens like pollen, dust, or pet dander can cause the eyes to become red and itchy.
• Eye strain: This can occur due to prolonged use of digital devices, reading in low light, or driving long distances.
• Conjunctivitis: Also known as pink eye, this is an infection or inflammation of the conjunctiva, the thin clear tissue that lies over the white part of the eye and lines the inside of the eyelid.
• Glaucoma: This is a group of eye conditions that damage the optic nerve, which is vital for good vision. This damage is often caused by an abnormally high pressure in your eye.

Symptoms

The symptoms of red eye can include:

• Redness in the white of the eye
• Itchiness or irritation
• Discharge from the eye
• Pain or discomfort
• Blurred vision

Treatment

Treatment for red eye depends on the underlying cause. It may include:

• Antihistamines for allergies
• Rest and eye drops for eye strain
• Antibiotics or antiviral medication for conjunctivitis
• Medication or surgery for glaucoma

See also

• Eye disease
• Eye care professional
• Ophthalmology

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