Provision of an agent for promoting proliferation ofmeibomian gland epithelial cells or corneal epithelial cells,and a therapeutic agent for ocular diseases such as meibomiangland dysfunction, dry eye and the like.A preparation containing [3-[2-[4-isopropyl-2-(4-trifluoromethyl)phenyl-5-thiazolyflethyl]-5-methyl-1,2-tenzisoxazol-6-yl]oxyacetic acid, [4-[3-[2-(4-trifluoromethyl)phenyl-4-isopropyl-5-thiazolyl]propionyl]-2-methylphenoxy]acetic acid or[4-[3-[2-(2-hydroxy-4-chlorophenyl)-5-isopropyl-4-oxazolyl]propionyl]-2-methylphenoxy]aceticacid, or a pharmacologically acceptablesalt thereof as an active ingredient is used as an agent forpromoting proliferation of meibomian gland epithelial cells orcorneal epithelial cells, as well as a therapeutic agent forocular diseases such as meibomian gland dysfunction, dry eyeand the like.
