12 5 <u>Change in weight of the lens in sodium chloride solutions of various concentrations.</u> Ox lenses with and without capsules were immersed in saline solutions of concentrations ranging from 0.4% to 5%. The lenses in capsules showed slight differences in the amount of water taken up. Those in isotonic saline gaining least, while those in stronger and weaker solutions gained rather more. In the case of the lenses without capsule, the differences in the amount of water taken up were rather more marked in the hypotonic solutions, but the lenses in hypertonic solutions did <u>not</u> gain more than those in isotonic.
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- Clare Harris
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Some observations on the crystalline lens , From The Royal Society, MS/165
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