December 1971
Volume 10, Issue 12
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Articles  |   December 1971
Thallous Ion and the Eye
Author Affiliations
  • ALBERT M. POTTS
    Eye Research Laboratories, The University of Chicago, 950 East 59th Street, Chicago, Ill. 60637
  • PIN CHIT AU
    Eye Research Laboratories, The University of Chicago, 950 East 59th Street, Chicago, Ill. 60637
Investigative Ophthalmology & Visual Science December 1971, Vol.10, 925-931. doi:
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      ALBERT M. POTTS, PIN CHIT AU; Thallous Ion and the Eye. Invest. Ophthalmol. Vis. Sci. 1971;10(12):925-931.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

The storage of thallous ion in ocular structures has been studied with the aid of the radioactive isotope Tl204. Thallous ion stores in the eye by at least two different mechanisms. The first of these is the storage on melanin pigment. This results in exceptionally high Tl levels in iris, choroid, and ciliary body of pigmented but not albino animals. The second storage mechanism is based on the similarity of Tl+ and K+. It causes high levels of Tl in lens, retina, and optic nerve in both pigmented and albino animals. The theoretical basis for these accumulation mechanisms, the biological questions raised by them, and experiments for study of the mechanisms are presented in the text.

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