Clinical Research Directory

Inclusion Criteria * Subjects with Allergic Conjunctivitis: * Age between 5 and 30 years. * Clinical diagnosis of allergic conjunctivitis. * Presence of active ocular symptoms at the time of sample collection. * Positive skin prick test. * Written informed consent signed by the participant or parent/legal guardian, -with assent when applicable. Healthy Controls: * Age between 5 and 30 years. * Clinically healthy subjects with a normal ocular surface. * No evidence of active ocular disease. * Written informed consent signed by the participant or parent/legal guardian, with assent when applicable. Exclusion Criteria * Subjects with Allergic Conjunctivitis: * History of infectious disease within 2 months prior to sample collection. * Presence of active systemic allergic diseases (e.g., asthma, active dermatitis). * Chronic degenerative or autoimmune diseases. * Use of topical immunosuppressive treatment within 2 months prior to sample collection. * Use of systemic immunosuppressive therapy. Healthy Controls: -History of infectious disease within 2 months prior to sample collection.