Ophthalmic composition
The inventive ophthalmic composition comprises: (A) polyvinyl pyrrolidone K90; and (B) at least one selected from the group consisting of an oil component, a grease component and polyethylene glycol. The ophthalmic composition alleviates a sticky sensation to ensure an excellent use sensation.
1. An ophthalmic composition comprising:
(A) polyvinyl pyrrolidone K90;
(B) an oil component comprising at least one selected from the group consisting of sesame oil and castor oil, and
(C) a nonionic surfactant,
wherein the polyvinyl pyrrolidone K90 (A) is present in a proportion of 0.001 to 10 w/v % based on a total amount of the ophthalmic composition.
2. The ophthalmic composition according to claim 1 , wherein the ophthalmic composition is configured for use in contact lens.
3. The ophthalmic composition according to claim 2 , wherein the contact lens is a soft contact lens.
4. The ophthalmic composition according to claim 1 , wherein the oil component (B) comprises sesame oil.
5. The ophthalmic composition according to claim 1 , wherein the oil component (B) comprises castor oil.
6. The ophthalmic composition according to claim 1 , wherein the nonionic surfactant (C) is polyoxyethylene (POE) sorbitan fatty acid esters.
7. A method for imparting an ophthalmic composition with a friction reducing effect, comprising a step of:
adding polyvinyl pyrrolidone K90 (A), an oil component comprising at least one selected from the group consisting of sesame oil and castor oil (B), and a nonionic surfactant (C) to the ophthalmic composition,
wherein the polyvinyl pyrrolidone K90 (A) is present in a proportion of 0.001 to 10 w/v % based on a total amount of the ophthalmic composition.
8. The method according to claim 7 , wherein the oil component (B) comprises sesame oil.
9. The method according to claim 7 , wherein the oil component (B) comprises castor oil.