Introduction

Dust, omnipresent in our environment—especially during the dry season—is one of the main triggers of an eye disorder that can sometimes reach epidemic proportions. It causes inflammation of the eye membrane (the conjunctiva), leading to redness, stinging, and itching. Conjunctivitis can be allergic, bacterial, or viral. Allergic conjunctivitis, the focus of this article, spreads quickly, sometimes goes unnoticed, but can worsen and reduce visual acuity. Follow along as we explore the signs of this condition, ways to prevent it, and how to treat it if it occurs.

Allergic Conjunctivitis: Causes and Symptoms

Allergic conjunctivitis is usually caused by the eye’s reaction to environmental allergens such as animal hair, mold spores, dust mites, pollen, or grass—all carried by dust. This differs from viral conjunctivitis, caused by adenoviruses (the viruses responsible for the common cold), and bacterial conjunctivitis, caused by staphylococcus and streptococcus bacteria. Symptoms vary by individual but often include: Intense itching in the eyes, Tearing, Redness, Feeling of a foreign object in the eye, and Eyelid swelling (palpebral edema). Other signs may include sneezing or nasal congestion.

How to Prevent This Condition

As the saying goes: “He who knows the cause knows how to avoid it.” Identifying the cause halves the risk of contracting the disease. If caused by animal hair, limit contact with pets. Regularly ventilate your home and dust furniture. Protective glasses can help prevent exposure. Maintain hand and facial hygiene after any contact with the outdoors.

Who to Consult After Contracting Conjunctivitis

See an ophthalmologist as soon as you notice symptoms of conjunctivitis. After a thorough examination, treatment may include: saline solution washes (to gently open eyes if they are stuck shut upon waking), and antihistamine eye drops, 2–3 times daily. Symptoms usually improve within 2–3 days after treatment.

Conclusion

Untreated allergic conjunctivitis can evolve into atopic keratoconjunctivitis, causing corneal inflammation, ulcers, or keratitis, potentially leading to significant vision loss and, in rare cases, blindness. It is crucial to follow preventive measures, keep homes dust-free, and maintain impeccable personal hygiene. Dust, unlike mud, can infiltrate even the most hidden corners. This season is a perfect opportunity to adopt healthy lifestyle and hygiene habits to minimize the risk of disease.

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