CONTACT LENS TREATING SOLUTION
A contact lens treating solution includes (a) about 0.005 to about 2 wt. %, based on the total weight of the contact lens treating solution, of hyaluronic acid or a salt thereof; (b) about 0.01 to about 1 wt. %, based on the total weight of the contact lens treating solution, of erythritol; (c) one or more nonionic surfactants; (d) sodium chloride, potassium chloride or any combination thereof; and (e) one or more buffers.
1 . A method of cleaning and disinfecting a contact lens, comprising:
soaking the contact lens in a contact lens treating solution for at least about two hours, wherein the contact lens treating solution comprises:
(a) about 0.005 to about 2 wt. %, based on the total weight of the contact lens treating solution, of hyaluronic acid or a salt thereof;
(b) about 0.01 to about 1 wt. %, based on the total weight of the contact lens treating solution, of erythritol;
(c) one or more nonionic surfactants;
(d) one or more of sodium chloride and potassium chloride; and
(e) one or more buffers.
2 . The method of claim 1 , wherein the contact lens treating solution comprises:
(a) about 0.01 to about 0.2 wt. %, based on the total weight of the contact lens treating solution, of hyaluronic acid or a salt thereof; and
(b) about 0.05 to about 0.5 wt. %, based on the total weight of the contact lens treating solution, of erythritol.
3 . The method of claim 1 , wherein the one or more nonionic surfactants comprise one or more of a poloxamer and a poloxamine.
4 . The method of claim 1 , wherein the contact lens treating solution comprises:
(c) about 0.05 to about 5 wt. %, based on the total weight of the contact lens treating solution, of the one or more nonionic surfactants;
(d) about 0.01 to about 5 wt. %, based on the total weight of the contact lens treating solution, of the one or more of sodium chloride and potassium chloride; and
(e) about 0.1 to about 10% (w/w) of the one or more buffers.
5 . The method of claim 1 , wherein the contact lens treating solution further comprises one or more of one or more biguanide antimicrobial agents and one or more quaternary ammonium antimicrobial agents.
6 . The method of claim 5 , wherein the one or more biguanide antimicrobial agents comprise poly(hexamethylene biguanide) and alexidine, and the one or more quaternary ammonium antimicrobial agents comprise Polyquaternium-1.
7 . The method of claim 5 , wherein the contact lens treating solution comprises:
about 0.5 ppm to about 10 ppm, based on total weight of the contact lens treating solution, of the one or more biguanide antimicrobial agents; and
about 0.5 ppm to about 10 ppm, based on total weight of the contact lens treating solution, of the one or more quaternary ammonium antimicrobial agents.
8 . The method of claim 1 , wherein the contact lens treating solution satisfies the biocidal requirements of a Stand-Alone Procedure for Disinfecting Products.
9 . The method of claim 1 , wherein the contact lens treating solution is in the form of an eye care product or a contact lens care product selected from the group consisting of a contact lens preservative solution, a contact lens cleaning solution and a contact lens multi-purpose solution.
10 . The method of claim 1 , wherein soaking the contact lens in the contact lens treating solution comprises soaking the contact lens in the contact lens treating solution from about two hours to about twenty-four hours.
11 . A method of rewetting a contact lens, comprising:
administering a contact lens treating solution to a contact lens while worn on an eye, wherein the contact lens treating solution comprises:
(a) about 0.005 to about 2 wt. %, based on the total weight of the contact lens treating solution, of hyaluronic acid or a salt thereof;
(b) about 0.01 to about 1 wt. %, based on the total weight of the contact lens treating solution, of erythritol;
(c) one or more nonionic surfactants;
(d) one or more of sodium chloride and potassium chloride; and
(e) one or more buffers.
12 . The method of claim 11 , wherein the contact lens treating solution comprises:
(a) about 0.01 to about 0.2 wt. %, based on the total weight of the contact lens treating solution, of hyaluronic acid or a salt thereof; and
(b) about 0.05 to about 0.5 wt. %, based on the total weight of the contact lens treating solution, of erythritol.
13 . The method of claim 11 , wherein the one or more nonionic surfactants comprise one or more of a poloxamer and a poloxamine.
14 . The method of claim 11 , wherein the contact lens treating solution comprises:
(c) about 0.05 to about 5 wt. %, based on the total weight of the contact lens treating solution, of the one or more nonionic surfactants;
(d) about 0.01 to about 5 wt. %, based on the total weight of the contact lens treating solution, of the one or more of sodium chloride and potassium chloride; and
(e) about 0.1 to about 10% (w/w) of the one or more buffers.
15 . The method of claim 11 , wherein the contact lens treating solution further comprises one or more of one or more biguanide antimicrobial agents and one or more quaternary ammonium antimicrobial agents.
16 . The method of claim 15 , wherein the one or more biguanide antimicrobial agents comprise poly(hexamethylene biguanide) and alexidine, and the one or more quaternary ammonium antimicrobial agents comprise Polyquaternium-1.
17 . The method of claim 15 , wherein the contact lens treating solution comprises:
about 0.5 ppm to about 10 ppm, based on total weight of the contact lens treating solution, of the one or more biguanide antimicrobial agents; and
about 0.5 ppm to about 10 ppm, based on total weight of the contact lens treating solution, of the one or more quaternary ammonium antimicrobial agents.
18 . The method of claim 16 , wherein the contact lens treating solution further comprises ethylenediaminetetraacetic acid.
19 . The method of claim 11 , wherein the contact lens treating solution is in the form of an eye care product or a contact lens care product selected from the group consisting of a contact lens preservative solution and a contact lens rewetting solution.
20 . The method of claim 11 , wherein the contact lens treating solution is in the form of eye drops.