title: A fixed contact lens retaining ring with its own irrigating system for pars plana vitrectomy.
abstract: A fixed contact lens retaining ring with its own irrigation system is described for use in pars plana vitrectomy. The advantages and disadvantages of this system are compared with the hand-held contact lens instruments.
mesh_terms: D003261:Contact Lenses; D006801:Humans; D009885:Ophthalmology / Q000295:instrumentation; D014822:Vitreous Body / Q000601:surgery*