rear support of the stable retention and intraocular lens over a long period of time of the intraocular lens the control of the posture can be realized with a simple structure and simple operation to provide an intraocular lens insertion tool of novel structure. insertion of an intraocular lens having a holding member 54, city assembled to protrude the instrument body 16 and the pushing member 22 and the placing part 14 of cylindrical shape with a mounting part 14 of the intraocular lens 12 is placed In the instrument 10, the holding member 54, the extrusion member 22 engaged slidably movable part 78 is provided, by the said movable part 78 is moved in the sliding direction leading end side, the extrusion the distal end portion of the member 22 together with the rear support portion 35 of the intraocular lens 12 is deformed into the optical unit 30 side, it is provided with a guide portion 128 for guiding the front side or rear side of the optical faculties 30.眼内レンズの長期間に亘る安定保持と眼内レンズの後方支持部の姿勢の制御を、簡単な構造且つ簡素な操作で実現することができる、新規な構造の眼内レンズの挿入器具を提供すること。眼内レンズ12が載置される載置部14を備えた筒形状の器具本体16と押出部材22と該載置部14に突出して組み付けられた保持部材54、とを有する眼内レンズの挿入器具10において、前記保持部材54には、前記押出部材22と係合してスライド可能な可動部78が設けられており、前記可動部78がスライド方向先端側に移動されることにより、前記押出部材22の先端部により前記眼内レンズ12の後方支持部35が光学部30側へ変形されると共に、該光学部30の前面側又は後面側に案内する案内部128を設けた。