<unk> (ophthalmic) is a mast cell stabilizer that is FDA approved for the treatment of vernal keratoconjunctivitis, vernal conjunctivitis, and vernal keratitis.   Common adverse reactions include dyspnea, rash, edema, itchy eyes, styes, and puffy eyes.
Cromolyn 
Carbocromen
Plerixafor
Nedocromil
Hymecromone
Methapyrilene
Theobromine
Flumetasone