The present invention provides an ophthalmic solution for treating allergic conjunctivitis comprising epinastine or a salt thereof in a concentration of 0.1 % w/v as an active ingredient and phosphoric acid or a salt thereof wherein the ophthalmic solution is free of benzalkonium chloride, which can improve medication adherence, for example, reduce the number of administration in eyedrops and administer in eyedrops with wearing contact lenses.本發明提供一種點眼劑，其除了服藥依從性提高，例如，點眼次數減低以外，還可在裝戴軟式隱形眼鏡的狀態下點眼，係含有作為有效成分之濃度0.1%(w/v)之依匹斯汀(epinastine)或其鹽、及磷酸或其鹽的過敏性結膜炎治療用點眼劑，其特徵為不含苯扎氯銨(benzalkonium chloride)。
