Abstract
Allergy symptoms that affect the eyes are common in adults and children worldwide, and are often associated with nasal allergy symptoms, prompting the term rhinoconjuctivitis to describe the condition. Allergy is common hypersensitivity disorder that affects 17 to 20 % of the population and its prevalence is increasing worldwide.
Itching is the hallmark symptom of ocular allergies.The categories of ocular allergic disease, diagnostics and primarily therapy are highlighted in this review article