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US 8,298,595 B2Granted
Contact lens, method for producing same, and pack for storage and maintenance of a contact lens
AssigneeSafilens S.R.L.
InventorAlessandro Filippo
Life of this patent
Estimating the term…
Abstract
A contact lens (4) comprises a solid component capable of imparting shape and structure to said lens, and a liquid component, at least partially contained in the solid component, capable of favoring the compatibility between said lens and the eye of a user of said lens, wherein the liquid component comprises a solution capable of being used as a lachrymal substitute.
Claims8
A method of preserving a contact lens, the method comprising:
- immersing a contact lens in an aqueous solution comprising from 0.1 to 1% by weight of a tamarind seed galactoxyloglucan having a molecular weight of 600 kilodaltons.
A method of preserving a contact lens, the method comprising:
- immersing a contact lens in an aqueous solution comprising:
- from 0.1 to 1% by weight of a tamarind seed galactoxyloglucan having a molecular weight of 600 kilodaltons;
- about 2% by weight of mannitol;
- and
- about 2% by weight of a buffering agent, wherein the buffering agent is a combination of monobasic sodium phosphate and dibasic sodium phosphate.
2 more elements
Dependencies are inferred from the claim text.