Some observations on the crystalline lens

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Lenses immersed in calcium chloride (6.5%
and 1.6%), after a previous half-hour's immersion
in water, behaved approximately like the
controls which had not been in water;
lenses immersed in 6.5% calcium chloride
solution after a longer period (2 hours) in
water, lost weight.

Lenses without capsules immersed in calcium
chloride solutions lost a little in 6.5%
strength and gained a little in 1.6%. All
gained <u>very<u/> slightly when transferred to
distilled water. [These changes were so small
as to be within the limits of error.]

Control lenses were transferred to distilled
water from isotonic saline solution and from
Ringer's solution, and it was found that these lenses took up less water than lenses
which were put into water directly on
removal from the eye. To eliminate the
possibility of a time effect, ox lenses were
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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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