Lens care product containing dexpanthenol
View Patent ↗The present invention relates to contact lens care product comprising dexpanthenol. The invention similarly relates to the usage of a contact lens care compositions of this kind for cleaning and optionally disinfecting contact lenses.
1. Contact lens care composition comprising:
0.5 to 4 percent by weight dexpanthenol based on the total weight of the contact lens care composition;
one or more further constituents selected from the group consisting of buffer substances, substances that affect the tonicity, complexing agents and/or antimicrobial compounds; and
D-sorbitol.
2. Contact lens care composition according to claim 1 , comprising 0.8 to 6 percent by weight, of D-sorbitol, based on the total weight of the contact lens care composition.
3. Contact lens care composition according to claim 2 , comprising 1 to 3 percent by weight D-sorbitol, based on the total weight of the contact lens care composition.
4. Contact lens care composition comprising 0.5 to 4 percent by weight dexpanthenol based on the total weight of the contact lens care composition;
an antimicrobial agent which is a biguanide; and D-sorbitol.
5. Contact lens care composition according to claim 4 , comprising an aqueous solution comprising 0.5 to 4 percent by weight, of dexpanthenol, based on the total weight of the contact lens care composition.
6. Contact lens care composition according to claim 4 , which contains
dexpanthenol
5 to 20
g/l
NaCl or KCl
3 to 9
g/l
PHMB
0.0005 to 0.05
g/l
EDTA
0.1 to 2
g/l
as well as buffer substances and water, and has a pH value of 6 to 8.
7. Contact lens care composition according to claim 4 , further comprising D-sorbitol, one or more buffer substances, and a complexing agent.
8. Contact lens care composition according to claim 7 , which comprises
dexpanthenol
5 to 20
g/l
D-sorbit
10 to 30
g/l
NaCl or KCl
0 to 5
g/l
PHMB
0.0005 to 0.05
g/l
EDTA
0.1 to 2
g/l
as well as buffer substances and water, and has a pH value of 6 to 8.
9. Contact lens care composition according to claim 4 , which further comprises a surface-active substance.
10. Contact lens care composition according to claim 5 , comprising an aqueous solution comprising 1 to 3 percent by weight of dexpanthenol, based on the total weight of the contact lens care composition.
11. Method for cleaning and optionally disinfecting a contact lens, wherein a contact lens care composition according to claim 4 is brought into contact with a contact lens for a period of time that is sufficient to clean and optionally disinfect said lens.
12. Method for cleaning and optionally disinfecting a contact lens, wherein a contact lens care composition comprising dexpanthenol is brought into contact with a contact lens for a period of time that is sufficient to clean and optionally disinfect said lens.
13. Method for cleaning and optionally disinfecting a contact lens according to claim 12 , wherein the contact lens care composition further comprises D-sorbitol.
14. Method for cleaning and optionally disinfecting a contact lens according to claim 12 , wherein the contact lens care composition further comprises one or more further constituents selected from the group consisting of buffer substances, substances that affect the tonicity, complexing agents, and/or antimicrobial compounds.
15. Method for cleaning and optionally disinfecting a contact lens according to claim 13 , wherein the contact lens care composition further comprises one or more further constituents selected from the group consisting of buffer substances, substances that affect the tonicity, complexing agents, and/or antimicrobial compounds.