Evidence for a Relationship between Longevity of Mammalian Species and a Lens Growth Parameter

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Abstract
The lens of growth was studied in a number of curves representing 16 mammalian species Mus musculus, Rattus norvegicus, Sylvilagus floridanus, Cavia porcellus, Procyon lotor, Urocyon cinereoargenteus floridanus, Sciurus carolinens, Antilocapra americana, Oryctolagus cuniculus, Odocoileus hemionus columbianus, Odocoileus hemionus hemionus, Canis familiaris, Calhorhinus ursinus, Bos taurus, Loxodonta africana, Homo sapiens. Emphasis was placed on determining the length of the lens development stage. All the lens curves studied went through a growth crisis: It is a period of apparent growth slowing down, lasting linear during the resting lifespan (adult stage). The growth crisis occurred at a length that was characteristic for the species and was shown to be directly correlated with the species maximum lifespan potential. These results may indicate that prevalence of a common functional basis regulating the lens growth and thus operating in the longevity of mammalian species.

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