Provided are an agent for promoting ocular tissue neuritogenesis promoter and a pharmaceutical use of the promoter. An agent for promoting ocular tissue neuritogenesis, containing N-(1-acetylpiperidin-4-yl)-4-fluorobenzamide or a pharmaceutically acceptable salt thereof, and an agent for promoting corneal neuritogenesis and retinal neuritogenesis, containing N-(1-acetylpiperidin-4-yl)-4-fluorobenzamide or a pharmaceutically acceptable salt thereof. The corneal neuritogenesis promoter of the present invention is used for the improvement of corneal sensitivity, treatment of dry eye, or treatment of a corneal epithelial disorder. The retinal neuritogenesis promoter of the present invention is used for the improvement of a visual dysfunction.