<unk>  is a Alpha-Adrenergic Agonist that is FDA approved for the treatment of as a topical ocular vasoconstrictor.   Common adverse reactions include Mydriasis, increased redness, increased intraocular pressure, irritation.
Naphazoline
Tolazoline
Tymazoline
Imidazoline
Oxymetazoline
Tramazoline
Oxymetazoline hydrochloride
Dihydroergotamine 