26results about "Lens cleaning compositions" patented technology

The present disclosure provides a novel polypeptide. Also provided is an ophthalmic composition for treating or preventing dry eye (DE) or DE associated disorders. Also provided is a method for treating or preventing DE or DE associated disorders, stimulating tears, stabilizing tear film or any combination thereof in a subject in need thereof, comprising administering to the subject an effective amount of the novel peptides. Also provided is a contact lenses care product comprising the novel peptides and the preparation method thereof.

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.

The contact lens treatment solution comprises: (a) one or more potassium salts selected from the group consisting of potassium chloride, potassium citrate, potassium hydroxide, potassium borate, potassium ethylenediaminetetraacetate, and potassium phosphate; (b) an antimicrobial agent comprising alexidine or a salt or free base thereof; and (c) optionally, one or more sodium salts selected from the group consisting of sodium chloride, sodium citrate, sodium hydroxide, sodium phosphate, sodium ethylenediaminetetraacetate, and sodium borate, wherein, when one or more sodium salts are present, the one or more potassium salts are present in an amount greater than the amount of the one or more sodium salts.

A silicone hydrogel contact lens is described comprising an extractable amount of a hydroxyalkyl cellulose embedded in the silicone hydrogel. The presence of the hydroxyalkyl cellulose in the silicone material improves the wettability of the contact lens.

A method for disinfecting contact lenses, including immersing the contact lenses in a volume of cleaning agent with about 3% hydrogen peroxide for up to 4hrs, and immersing up to 0.7g of a fibrous catalyst enhancer material in the volume of cleaning agent for up to 4hrs. The fibrous catalyst enhancer material is immersed simultaneously with the contact lenses.

[Problem] To provide a treatment fluid for a soft contact lens that can easily provide hydrophilic and lubricating properties to a surface of a contact lens, and has superior persistence. [Solution] A treatment fluid for a soft contact lens according to the present disclosure was achieved by dissolving a copolymer in a solution at a specific concentration, said copolymer being obtained by copolymerizing at least two specific types of monomers.

The invention relates to a lipase-containing composition for cleaning contact lenses, in particular soft contact lenses, characterized in that the composition contains a lipase that is obtainable from the yeast Candida rugose.

The present invention relates to a lipase-containing composition for cleaning contact lenses, in particular soft contact lenses, where the composition contains a lipase obtainable from Candida rugosa.

A grafted glycosaminoglycan polymer is disclosed. The grafted glycosaminoglycan polymer comprises a glycosaminoglycan having a polymer backbone and one or more side chains comprising a polyalkylene glycol-containing residue grafted onto the polymer backbone.

A contact lens treating solution includes (a) one or more potassium salts selected from the group consisting of potassium chloride, potassium citrate, potassium hydroxide, potassium borate, potassium ethylenediaminetetraacetic acid and potassium phosphate, (b) an antimicrobial agent comprising alexidine or a salt or a free base thereof, and (c) optionally, one or more sodium salts selected from the group consisting of sodium chloride, sodium citrate, sodium hydroxide, sodium phosphate, sodium ethylenediaminetetraacetic acid and sodium borate, wherein the one or more potassium salts are present in an amount greater than an amount of the one or more sodium salts when present.

To provide techniques for solidification of liquid amine oxide, betaine, and / or sultaine surfactants with a carrier to form a solidified surfactant composition.SOLUTION: In particular, the invention relates to solidification of liquid surfactants utilizing one or more drying devices, wherein the feed composition contains at least one liquid surfactant and a carrier to form a solidified surfactant composition. The solidified surfactant compositions can be useful in various cleaning compositions.SELECTED DRAWING: None

The present disclosure provides a liquid composition for preserving contact lenses. The liquid composition includes a buffer solution, a zinc salt dissolved in the buffer solution, and a hydrophilic substance. The weight percentage concentration of the zinc salt in the liquid composition is 1 * 10 <-5 >-3%. The weight percentage concentration of the hydrophilic substance in the liquid composition is 1 * 10 <-3 >% to 3%. The liquid composition may also include a first vitamin dissolved in the buffer solution. The weight percentage concentration of the first vitamin in the liquid composition is 1 * 10 <-5 >% to 1%, and the first vitamin comprises vitamin B2, a vitamin B2 derivative, or a combination thereof. According to the present invention, the novel liquid composition is provided to preserve the contact lens, such that the contact lens wearing feeling can be effectively improved, and the health state of the cornea can be easily maintained.

Systems and methods for cleaning a hard-coated ophthalmic lens and stripping the hard- coating of the hard coated ophthalmic lens in a single pass process are disclosed. The hard-coated ophthalmic lens is sequentially treated with a cleaning solution, an alkaline solution, and a stripping solution. Ultrasonic power is applied to the solutions and the ophthalmic lens during the process. The resulted ophthalmic lens has substantially no sign of chemical attack or residual hard coating or varnishes thereon.

To provide a polymer for use as a coating of biomedical devices such as contact lenses.SOLUTION: A grafted glycosaminoglycan polymer which is a reaction product of (a) a glycosaminoglycan having a polymer backbone containing reactive functional groups, wherein any of the reactive functional groups is an epoxide-reactive functional group, (b) a polyol, and (c) an epoxy alcohol, the grafted glycosaminoglycan polymer comprising one or more side chains including a polyalkylene glycol-containing residue grafted to the epoxide-reactive functional group of the polymer backbone of the glycosaminoglycan, the polyalkylene glycol-containing residue being derived from a polymeric compound or a salt thereof having the following structure: Z-(((CH2)a-O)b)c-Y (wherein Z is a terminal capping group, Y is a reactive functional group, a is 2 to 6, b is 2 to 10,000, and c is 1 or 2).SELECTED DRAWING: None

A packaging system for the storage of an ophthalmic device is disclosed. The packaging system includes a sealed container containing one or more unused ophthalmic devices immersed in an aqueous packaging solution that includes one or more conjugated glycosaminoglycans having a polymer backbone having a reactive functional moiety conjugated to an amine group having one or more moieties that inhibit and / or prevent one or more of oxidation and hydrolytic degradation of the polymer backbone during use in the eye; wherein the aqueous packaging solution has an osmolality of at least about 150 mOsm / kg, a pH of about 6 to about 9 and is sterilized.

The invention provides a contact lens preserving fluid and a preparation method thereof, and belongs to the technical field of contact lenses. The contact lens preserving fluid is prepared from the following components in parts by mass: 1 to 5 parts of Ectoine, 0.3 to 4 parts of schizophyllan, 0.05 to 0.3 part of humectant, 0.3 to 1.2 parts of pH (Potential of Hydrogen) regulator, 0.5 to 1.5 parts of osmotic pressure regulator, 0.1 to 2 parts of chelating agent, 0.1 to 3 parts of surfactant and 90 to 98 parts of water. The preserving fluid disclosed by the invention can be used for solving dry eyes, relieving eye fatigue, improving the lubricating and moisturizing effects, eliminating inflammation, improving the antibacterial ability and improving the wearing comfort of contact lenses; the humectant and Ectoin are combined, so that the contact lens preserving fluid has good hydrophilicity, stability and adhesive force, and the moisturizing effect of the contact lens preserving fluid is prolonged; the schizophyllan has the effects of enhancing immunity, preserving moisture, resisting oxidation and the like.

[Problem] To provide a soft contact lens solution that imparts, to a soft contact lens, surface hydrophilicity, lubricity, and lipid-adhesion-suppressing ability. [Solution] It was found that said problem can be solved by a solution containing a buffer and two specific copolymers, resulting in the completion of a soft contact lens according to the present disclosure.

An autoclaved package silicone-hydrogel contact lens 2 which contains an extractable amount of a hydroxyalkyl cellulose 5 embedded within the structure of the lens. The lens is packaged in a solution

An exemplary embodiment of the present disclosure provides solvent-free cleaning systems and methods, the systems and methods comprise a polymer substrate having a crosslinked matrix positioned on at least one surface of the polymer substrate, wherein the crosslinked matrix is configured to absorb particulates from a surface of a material when placed in direct contact.

The contact lens treatment solution comprises (a) one or more of tris(hydroxymethyl)aminomethane, bis(2-hydroxyethyl)aminotris(hydroxymethyl)methane, and salts thereof, and (b) one or more antimicrobial agents containing one or more polyquaternium polymers.

A packaging system for the storage of an ophthalmic device is disclosed. The packaging system includes a sealed container containing one or more unused ophthalmic devices immersed in an aqueous packaging solution that includes one or more conjugated glycosaminoglycans having a polymer backbone having a reactive functional moiety conjugated to an amine group having one or more moieties that inhibit and / or prevent one or more of oxidation and hydrolytic degradation of the polymer backbone during use in the eye; wherein the aqueous packaging solution has an osmolality of at least about 150 mOsm / kg, a pH of about 6 to about 9 and is sterilized.

The present invention provides a single-liquid-type contact lens treatment liquid and a use thereof, the single-liquid-type contact lens treatment liquid comprising: a pypocholoride; and water, in which when the concentration of the pypocholoride is expressed by X weight / volume% and the pH of the contact lens treatment liquid is expressed by Y, X and Y satisfy the following formula: 0.001 < = X < = 0.41; y < = 11.9; and Y > = 2.28 X + 10.46.

Provided is a treating solution for soft contact lenses capable of simply imparting hydrophilicity and lubricity to a soft contact lens surface, and excellent durability of such hydrophilicity and lubricity thereto. The treating solution for soft contact lenses of the present disclosure is achieved by dissolving a copolymer obtained by copolymerizing at least two specific kinds of monomers in a solvent at a specific concentration.

A silicone hydrogel contact lens is described comprising an extractable amount of a hydroxyalkyl cellulose embedded in the silicone hydrogel. The presence of the hydroxyalkyl cellulose in the silicone material improves the wettability of the contact lens.

The invention relates to a lens disinfectant and production method effective against Achantamoeba castellanii.