General ophthalmology did not use epinephrine eye drops, epinephrine is mainly to constrict blood vessels, in the eye can play a dilation of the pupil or stop bleeding and other functions, generally only in the eye surgery in the temporary use, there is no specialized epinephrine eye drops, because the side effects of these drops is relatively large, may cause high blood pressure, headache and other related complications. Ophthalmology has used epinephrine to treat open-angle glaucoma with some efficacy, but there are no specialized eye drops for the treatment of related eye diseases.