Luaran fungsi penglihatan pasca operasi transfenoid pasien adenoma hipofisis di Departemen Bedah Saraf FKUI-RSUPN Cipto Mangunkusumo Jakarta tahun 2012-2014 = Visual function outcomes post transphenoidal surgery of pituitary adenoma in neurosurgery Department Faculty of Medicine Universitas Indonesia Cipto Mangunkusumo Hospital Jakarta from 2012-2014