Some observations on the crystalline lens

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removed from the eyes and allowed to stand
in ox aqueous humour for one hour, after
which they were transferred to water. They
shared the same rate of gain as lenses put
into water immediately on their removal
from the eye.

<u>Sodium Citrate</u>

Ox lenses in their capsules were immersed in sodium citrate solutions of 10%, 5%, 1.25%, and
0.1% concentrations for two hours, and weighed
at intervals. Those in 10% lost a little, those
in 5% gained a little, and those in the weaker
solutions gained at a greater rate the
higher the dilution of the citrate.

Lenses without capsules behaved similarly.
A series of these lenses removed to water
after about an hour in sodium citrate solution,
took up water at the same rate whatever
the strength of the citrate from which they
had been taken; also they took up almost
as much water as lenses which had not
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Manuscript details

Clare Harris
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Some observations on the crystalline lens , From The Royal Society, MS/165



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