Contact lens cleaning solution

A method of cleaning proteinaceous and other tear deposits from soft contact lenses which method comprises applying to said lenses a few drops of an aqueous solution containing from about 0.1-5% crystalline sodium silicate, said solution having an isotonic pH of about 7.0, rubbing the lenses with the fingers and rinsing with water.

A method of cleaning proteinaceous and other deposits from hydrophobic or hydrophilic soft contact lenses which method comprises applying to said lenses a few drops of an 0.5% solution of sodium sesquisilicate in deionized or distilled water, adjusted to approximately pH 7.0 with dilute hydrochloric acid, rubbing said lenses with the fingers and rinsing with deionized or distilled water.

A method of cleaning proteinaceous and other tear deposits from soft contact lenses which method comprises heating said lenses in an isotonic aqueous solution having a pH of about 7.0 and containing about 0.1-5% of a crystalline sodium silicate, removing the lenses and rinsing the lenses with deionized or distilled water.

A method of cleaning proteinaceous and other deposits from hydrophobic or hydrophilic soft contact lenses which method comprises heating said lenses at 100.degree. C for three minutes in about 5 ml of an 0.5% solution of sodium sesquisilicate in deionized or distilled water, adjusted to approximately pH 7.0 with dilute hydrochloric acid, removing said lenses and rinsing said lenses with deionized or distilled water.