Options for visualisation in vitrectomy.
D003261:Contact Lenses; D006801:Humans; D008029:Lighting; D008853:Microscopy / Q000295:instrumentation; D008866:Microsurgery / Q000295:instrumentation*; D019721:Ophthalmoscopes; D012163:Retinal Detachment / Q000601:surgery*; D012591:Scleral Buckling; D014822:Vitreous Body / Q000601:surgery*