Topical ophthalmic analgesic preparations for sustained and extended corneal analgesia

摘要

A preparation suitable for sustained and extended corneal analgesia and for repeated administration consisting of ultralow nontoxic subanaesthetic concentrations of local anesthetic agents. A method for corneal analgesia has a fast onset of pain relief and extended duration of the corneal analgesia for several months without accompanying toxic symptoms by administering to a patient an ophthalmic analgesic solution containing a local anesthetic agent in subanesthetic concentration.