Lens Care Solutions with Hyaluronic Acid
First Claim
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1. A method for improving the retention of hyaluronic acid on a surface of a contact lens, the method comprising:
- providing a contact lens care solution comprising;
0.005 wt. % to 0.05 wt. % of hyaluronic acid in a borate containing buffer, and 0.01 wt. % to 1.0 wt. % of an amphoteric surfactant of general formula I wherein R′
is a C8-C16alkyl optionally substituted with hydroxyl;
R2 and R3 are each independently selected from methyl, ethyl, propyl or iso-propyl; and
R4 is a C2-C8alkylene optionally substituted with hydroxyl; and
soaking the contact lens in the contact lens care solution for at least two hours prior to placement of the contact lens in an eye.
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Abstract
A method of retaining hyaluronic acid on a surface of a contact lens. The method comprises providing a contact lens care solution comprising;
- 0.005 wt. % to 0.05 wt. % of hyaluronic acid in a borate containing buffer, and 0.01 wt. % to 1.0 wt. % of an amphoteric surfactant of general formula I
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- wherein R′ is a C8-C16alkyl optionally substituted with hydroxyl;
- R2 and R3 are each independently selected from methyl, ethyl, propyl or iso-propyl; and R4 is a C2-C8alkylene optionally substituted with hydroxyl; and
- soaking the contact lens in the contact lens care solution for at least two hours prior to placement of the contact lens in an eye.
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Citations
12 Claims
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1. A method for improving the retention of hyaluronic acid on a surface of a contact lens, the method comprising:
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providing a contact lens care solution comprising; 0.005 wt. % to 0.05 wt. % of hyaluronic acid in a borate containing buffer, and 0.01 wt. % to 1.0 wt. % of an amphoteric surfactant of general formula I wherein R′
is a C8-C16alkyl optionally substituted with hydroxyl;R2 and R3 are each independently selected from methyl, ethyl, propyl or iso-propyl; and
R4 is a C2-C8alkylene optionally substituted with hydroxyl; andsoaking the contact lens in the contact lens care solution for at least two hours prior to placement of the contact lens in an eye. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification