This vitrectomy lens system comprises of a set of contact lenses (with concave contact surface) and a ring to hold the contact lenses in position. The main advantage of this system is that it minimizes the dependence of a well-trained assistant. The set comprises of the following lenses. milr - silicon ring milr1 - stainless steel ring with two notches mil1 - central fundus lens (plano) mil2 - biconcave-90 d lens mil3 - 20° prism lens mil4 - 30° prism lens mil4a - prismatic biconcave lens mil5 - magnifying lens mil5a - wide field lens