PROBLEM TO BE SOLVED: To provide a method of treating glaucoma or ocular hypertension by using agents for lowering intraocular pressure.SOLUTION: The method of treating glaucoma or ocular hypertension comprises applying Abnormal Cannabidiol compounds represented by the formula I in an amount sufficient to treat glaucoma or ocular hypertension, (Y is keto, hydroxyl or the like; Y1 is hydroxyl, keto or the like; Z is N or C; Q is phenyl, a halogenated phenyl, a 5-6 membered heterocyclic group or the like; and R, R1 and R2 are H, halogen or the like.)【課題】緑内障又は高眼圧の際の眼圧降下剤による処置方法の提供。【解決手段】式Iで示されるアブノーマル・カンナビジオール化合物を高眼圧又は緑内障の処置に充分な量を適用する緑内障又は高眼圧への処置方法。(Yは、ケト及びヒドロキシル等;Y1は、ヒドロキシル、ケト等;Zは、N又はCであり;Qは、フェニル、ハロゲン置換フェニル、5~6員複素環式基等、R,R1,R2は、H、ハロゲン等)【選択図】図1