Conjunctivitis (Pink Eye)
What Is Conjunctivitis?
Conjunctivitis — commonly referred to as pink eye — is inflammation of the conjunctiva, the thin, clear tissue that lines the inside of the eyelids and covers the white part of the eye. This condition is very common and can affect patients of all ages. While conjunctivitis is often mild and temporary, proper diagnosis is important to determine the cause and ensure appropriate treatment.
What Causes Conjunctivitis?
Conjunctivitis can develop for several reasons, and identifying the cause is key to effective treatment. Common causes include:
- Viral infections, often associated with colds or upper respiratory infections
- Bacterial infections, which may produce thicker discharge
- Allergic reactions, triggered by pollen, dust, pet dander, or other allergens
- Environmental irritants, such as smoke, chemicals, or prolonged contact lens wear
Each type of conjunctivitis is treated differently, making a professional eye evaluation important.
Symptoms of Conjunctivitis
Symptoms may affect one or both eyes and can include:
- Red or pink appearance of the eye
- Itching, burning, or irritation
- Watery or thick discharge
- Crusting around the eyelids, especially upon waking
- Sensitivity to light
- A gritty or foreign-body sensation
If symptoms worsen, persist, or are accompanied by vision changes or significant pain, prompt care is recommended.
Diagnosis & Treatment
Conjunctivitis is typically diagnosed through a comprehensive eye exam and review of symptoms. Treatment depends on the underlying cause and may include:
- Prescription or over-the-counter eye drops
- Antibiotic drops or ointments for bacterial conjunctivitis
- Anti-inflammatory or allergy-specific medications
- Supportive care, such as lubricating drops or cold compresses
With appropriate treatment, most cases resolve quickly and without complications.
Frequently Asked Questions (FAQ)
Is conjunctivitis contagious?
Some forms are. Viral and bacterial conjunctivitis can spread easily, while allergic and irritant-related conjunctivitis are not contagious.
When should I see an eye doctor?
If symptoms last more than a few days, worsen, affect vision, or occur in children, professional evaluation is recommended.
Can conjunctivitis cause permanent damage?
Most cases do not, especially when treated promptly. Delayed treatment or severe infections can increase the risk of complications.
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