Vitreous expansion-contraction in physio-chemical property, Biology

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Illustrates the vitreous expansion and contraction in the physio-chemical property?

Vitreous Expansion and Contraction

The positive charge in Na ions, NaCl molecule and protein neutralize the negative charge of hyaluronic acid. Washing the vitreous or neutralisation of the residual hyaluronic acid results in expansion of the vitreous gel. On the contrast if positively charged protamine sulpfiate is added there is contraction of the vitreous gel. Photocoagulation causes shrinkage of vitreous gel.

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