Allergic conjunctivitis symptoms relieved in challenge model

Olopatadine HCl 0.1% (Patanol, Alcon) is significantly more effective than ketotifen fumarate 0.025% (Zaditor, Novartis), nedocromil sodium 2% (Alocril, Allergan), and azelastine HCl 0.05% (Optivar, Muro) in relieving itching associated with allergic conjunctivitis and has a comfort advantage as well, according to results of prospective, double-masked comparison studies.