[Review of literature on the crystalline lens published in 1970].
D000818:Animals; D002386:Cataract / Q000188:drug therapy / Q000209:etiology / Q000378:metabolism / Q000473:pathology; D002387:Cataract Extraction; D003261:Contact Lenses; D006801:Humans; D007908:Lens, Crystalline / Q000378:metabolism / Q000473:pathology / Q000502:physiology; D007909:Lenses; D011817:Rabbits