title: Evidence for a free radical mechanism in aging and u.v.-irradiated ocular lenses.
mesh_terms: D000375:Aging; D000818:Animals; D002386:Cataract / Q000503:physiopathology*; D004578:Electron Spin Resonance Spectroscopy; D005609:Free Radicals; D006801:Humans; D007908:Lens, Crystalline / Q000378:metabolism / Q000503:physiopathology / Q000528:radiation effects*; D010396:Penicillamine / Q000378:metabolism; D051381:Rats; D014364:Tryptophan / Q000378:metabolism; D014466:Ultraviolet Rays
chemical_list: D005609:Free Radicals; D014364:Tryptophan; D010396:Penicillamine