Red eye (medicine)

Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
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W8MD medical weight loss NYC and sleep center NYC

Red eye
Synonyms	Bloodshot eyes
Pronounce	N/A
Specialty	N/A
Symptoms	Eye redness, irritation, discharge, itching
Complications	Vision impairment, corneal ulcer
Onset	Sudden or gradual
Duration	Varies depending on cause
Types	N/A
Causes	Conjunctivitis, blepharitis, uveitis, glaucoma, trauma, allergies
Risks	Contact lens use, smoking, dry eye syndrome
Diagnosis	Clinical examination, slit lamp examination
Differential diagnosis	Subconjunctival hemorrhage, scleritis, episcleritis
Prevention	Proper eye hygiene, avoiding eye strain
Treatment	Depends on cause; may include antibiotics, antihistamines, artificial tears
Medication	Topical antibiotics, steroids, antihistamines
Prognosis	N/A
Frequency	Common
Deaths	N/A

Hyphema - occupying half of anterior chamber of eye

Acute Angle Closure glaucoma

Red eye (medicine)

Red eye is a common condition where one or both eyes appear red or bloodshot. This can be a symptom of various eye disorders and medical conditions, ranging from minor irritations to serious health concerns. Understanding the causes, symptoms, and treatments of red eye is essential for proper care and prevention.

Causes

Red eye can result from several factors, including but not limited to:

• Conjunctivitis: Also known as pink eye, it is an inflammation or infection of the outer membrane of the eyeball and the inner eyelid.
• Corneal ulcer: An open sore on the cornea, often caused by infection.
• Dry eye syndrome: A condition where the eyes do not produce enough tears or the tears evaporate too quickly.
• Subconjunctival hemorrhage: A break in a small blood vessel in the eye, leading to a red spot on the white of the eye.
• Glaucoma: A group of eye conditions that can cause optic nerve damage and, if untreated, loss of vision.
• Uveitis: Inflammation of the middle layer of the eye, which includes the iris, ciliary body, and choroid.
• Allergies: Reactions to allergens such as pollen, dust, or pet dander can cause red, itchy, and watery eyes.

Symptoms

While the primary symptom of red eye is a red or bloodshot appearance of the eye, other symptoms may accompany this condition, including:

• Itching
• Pain
• Swelling
• Discharge
• Blurred vision
• Sensitivity to light

Diagnosis

Diagnosis of red eye involves a thorough examination by a healthcare professional, often an ophthalmologist or optometrist. The examination may include:

• Visual acuity test
• Slit lamp examination
• Intraocular pressure measurement
• Examination of the retina and optic nerve

Treatment

Treatment for red eye depends on the underlying cause. Some common treatments include:

• Antibiotic or antiviral eye drops for infections
• Anti-inflammatory eye drops for allergies or inflammation
• Artificial tears for dry eye syndrome
• Treatment for any underlying condition, such as glaucoma

Prevention

Preventive measures for red eye largely depend on the cause. However, general tips include:

• Maintaining good eye hygiene
• Using protective eyewear to avoid injury and exposure to irritants
• Managing allergies with appropriate medications
• Regular eye examinations to detect and treat conditions early

Summary

Red eye is a symptom that can indicate a variety of eye conditions. Prompt diagnosis and treatment are crucial to prevent potential complications. If you experience persistent red eye, seek medical attention to determine the cause and appropriate treatment.

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