Vitreous surgery.
D000388:Air; D006801:Humans; D006820:Hyaluronic Acid; D008722:Methods; D012160:Retina / Q000601:surgery*; D012828:Silicones; D014184:Transplantation, Homologous; D014822:Vitreous Body / Q000601:surgery* / Q000637:transplantation
D012828:Silicones; D006820:Hyaluronic Acid