PROBLEM TO BE SOLVED: To provide a medicine sustained release medical use contact lens in which a water-soluble component having pharmacological activity is taken into the contact lens, and medicine sustained release property is imparted to the contact lens, and which is excellent in safety to cornea, and further excellent in oxygen permeability.SOLUTION: A contact lens has a polymer having a constitutional unit expressed by formula (A), and a medicine as much as 0.00001-10 mass% in which solubility to water is 3.4-99.9%.SELECTED DRAWING: None【課題】水溶性かつ薬理活性を有する成分をコンタクトレンズに取り込み、コンタクトレンズへ薬物徐放性を付与し、角膜への安全性に優れ、なおかつ、酸素透過性に優れる薬物徐放性医療用コンタクトレンズの提供。【解決手段】式（Ａ）で表される構成単位を有する重合体と、水に対する溶解度が３．４～９９．９％である薬剤０．００００１～１０質量％と、を有するコンタクトレンズ。【選択図】なし
