title: Vitrectomy.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003930:Diabetic Retinopathy / Q000150:complications*; D005260:Female; D006470:Hemorrhage / Q000150:complications / Q000601:surgery*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012166:Retinal Hemorrhage / Q000150:complications; D014792:Visual Acuity; D014822:Vitreous Body / Q000601:surgery*