title: Consultation section. Loss of the lens nucleus.
mesh_terms: D002387:Cataract Extraction / Q000009:adverse effects*; D006801:Humans; D007431:Intraoperative Complications; D007907:Lens Nucleus, Crystalline; D007906:Lens Subluxation / Q000209:etiology* / Q000517:prevention & control; D012307:Risk Factors; D014822:Vitreous Body