Soft contact lenses are made from hydrogels, which make them soft and flexible. It is important to clean them daily using a sterile, isotonic cleaning solution. The concentration of solutes in the cleaning solution is the same as the concentration of the hydrogel in the contact lens. What would happen if instead of an isotonic cleaning solution, soft contact lenses are cleaned with water? The soft contact lenses will shrink because it will remove too much water by osmosis. The soft contact lenses will shrink because too much water is absorbed by osmosis. The soft contact lenses will swell and change shape because too much water is absorbed by osmosis. The soft contact lenses will swell and change shape because too much water is removed by osmosis.
Added by Sofia Y.
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Osmosis is the movement of water across a semi-permeable membrane from an area of lower solute concentration to an area of higher solute concentration. In the context of contact lenses, the semi-permeable membrane is the hydrogel material of the lens. Show more…
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