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Dr. Mridula Pentapati

Consultant - Ophthalmologist

Manipal Hospitals, Hebbal

Understanding Allergic Eye Disease: Causes and Symptoms

Posted On: Apr 18, 2025
blogs read 5 Min Read
Allergic Eye Disease & Conjunctivitis

The prevalence of allergic eye conditions remains high throughout India, affecting numerous people. Clinical research indicates allergic conjunctivitis affects 12.22% of individuals between 5 and 15 years old. Such conditions result in uncomfortable feelings that interrupt daily activities. Here, an expert ophthalmologist in Hebbal, Bangalore discusses in detail allergic eye diseases, their different types, the symptoms they produce, and proper management approaches.​

 

Types of Allergic Eye Diseases

Your eyes can react allergically to certain allergens, leading to allergic eye diseases. These conditions cause a range of symptoms such as redness of the eye, itching, and swelling, leading to discomfort. Understanding the different types of eye allergies can help people manage the eye allergy symptoms more effectively. The main types of allergic eye diseases include:

  • Seasonal Allergic Conjunctivitis (SAC): SAC develops when people come into contact with pollen, largely during the spring and autumn seasons. Symptoms of SAC include eye irritation, red skin, excessive tearing, and puffiness of the eyes. Windborne allergens worsen the condition. Peak pollen times in the year can be managed by staying inside while also taking antihistamine medication.

  • Perennial Allergic Conjunctivitis (PAC): PAC happens yearly due to dust mites, pet dander, or mould. Symptoms mimic SAC but persist longer. Avoiding allergens, using air purifiers, and taking prescribed eye drops can provide relief.

  • Vernal Keratoconjunctivitis (VKC): VKC mostly affects children, especially boys. It causes severe itching of the eye, thick eye discharge, and light sensitivity. This condition worsens in warm climates. Long-term treatment includes anti-inflammatory eye drops and lifestyle changes.

  • Atopic Keratoconjunctivitis (AKC): AKC affects adults with a history of skin allergies like eczema. It leads to chronic eye inflammation, dryness of the eye, and blurred vision. If untreated, it can damage the cornea. Managing skin conditions and using prescribed medications are crucial.

  • Giant Papillary Conjunctivitis (GPC): GPC occurs due to contact lenses or eye prosthetics. It results in redness of the eye, irritation, and mucus discharge. Proper lens hygiene, switching to daily disposables, and using anti-inflammatory drops can prevent flare-ups.

Common Symptoms of Allergic Eye Disease

Allergic eye diseases cause discomfort and affect daily life. Symptoms range from mild irritation to severe inflammation. Identifying them early helps in better management and relief.

Below are the most common symptoms of allergic eye diseases:

  • Itchy Eyes: Constant itching of the eye is a primary symptom, worsening with allergen exposure like pollen, dust, or pet dander.

  • Redness of the Eye: Blood vessels in the eyes expand, causing visible redness and irritation, often accompanied by burning sensations.

  • Watery Eyes: Excessive tearing occurs as a natural response to flush out allergens, sometimes making vision blurry.

  • Swollen Eyelids: Inflammation leads to puffy or swollen eyelids, especially in severe allergic reactions.

  • Light Sensitivity: Bright lights can feel uncomfortable, leading to squinting or headaches in extreme cases.

  • Mucus Discharge: Some allergic eye diseases cause sticky or stringy mucus build-up around the eyes.

Allergic Eye Disease & Conjunctivitis

Treatment and Management of Allergic Eye Disease

Management of allergic eye disease includes avoiding triggers and using proper treatment. Early intervention helps prevent severe discomfort and complications. Simple lifestyle changes and medical treatments can provide effective relief.

Below are the best ways to manage and treat allergic eye disease:

  • Avoid Allergens: Identify and minimise exposure to triggers like pollen, dust, and pet dander to reduce flare-ups.

  • Use Cold Compress: Applying a cold compress soothes irritation, reduces swelling, and provides instant relief from itching.

  • Lubricating Eye Drops: Artificial tears help flush out allergens, keeping the eyes hydrated and comfortable throughout the day.

  • Antihistamine Medications: Oral or eye drop antihistamines block allergic reactions, relieving itching, redness, and swelling.

  • Steroid Eye Drops: Expert ophthalmologists in Bangalore prescribe corticosteroid drops for severe cases to control inflammation and prevent complications.

  • Wear Sunglasses: Protective eyewear shields the eyes from allergens and reduces irritation caused by wind and bright sunlight.

  • Maintain Eye Hygiene: Wash hands frequently, avoid rubbing your eyes, and clean contact lenses properly to prevent infections.

Conclusion

If you experience persistent or severe symptoms like swelling, vision changes, or discomfort despite using over-the-counter treatments, it’s time to see an experienced ophthalmologist in Bangalore. Early intervention can prevent further complications and improve your quality of life. A doctor can offer personalised treatment, whether prescription medications or lifestyle adjustments, to manage allergic eye diseases effectively and help you find lasting relief.

FAQ's

In most cases, allergic eye disease doesn’t cause permanent damage. However, if left untreated, it may lead to complications like corneal damage or vision problems.
 

No, allergic conjunctivitis is not contagious. It occurs due to allergens, not viruses or bacteria, so it cannot spread to others.
 

It’s possible, but it may worsen the symptoms. To reduce irritation, consult your doctor about switching to daily disposable lenses or using hypoallergenic lenses.
 

To limit exposure to allergens, keep windows closed during pollen season and create an allergy-free zone at home. Also, regularly clean bedding and carpets to minimise dust mites.
 

Natural remedies like Aloevera gel or chamomile tea bags may provide temporary relief, but it’s best to consult a doctor for long-term treatment options.
 

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