PROBLEM TO BE SOLVED: To obtain a solution which clears the dirt sticking to contact lenses, prevents the readhesion of the dirt by impartation of hydrophilicity to the contact lenses and improves the wearing feel of the contact lenses by using a water-soluble cationated polymer and a ...
not available for EP1448753of corresponding document: WO03043668 A composition for conditioning a contact lens comprising a surfactant comprising a copolymer of hydrophobe and hydrophile blocks the structure: HO - (hydrophobe)x - (hydrophile)y - H where x and y are integers reflecting the respecti...
OF THE DISCLOSURE Aqueous isotonic solutions comprising a biguanide or water-soluble salt thereof having the formula: wherein n is from 1 to 500 and a buffer are effective dis- infectants and/or preservatives for contact lenses. The solutions have a very low order of toxicity, and because the...
Contact lens solution is an extremely important part of the care of contact lenses, for those of you who do not use daily disposable lenses. Contact lens solution has a number of using areas; cleaning, rinsing, disinfection and finally storing. All reusable lenses must be cleaned and ...
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Conditioning solution for contact lenses and a method of using the same A contact lens conditioning solution which has a polyoxyethylene-polyoxypropylene substituted ethylenediamine nonionic surfactant (Poloxamine type) having a hydrophile-lipophile balance of seven or below and a carrier vehicle. A polyox...
(hydrophobic component) The copolymer of hydrophobic block and the hydrophilicity block which possess structure (in formula, x and y is the integer which displays the hydrophilicity block and hydrophobic block each one of the aforementioned copolymer) the composition for the contact lens conditioning ...
Contact Lenses by Robert H. Hales, Williams & Wilkins Co., Baltimore, MD (1978) at page 33 records the use of glutaraldehyde as a chemical disinfectant for contact lens solution. While stating glutaraldehyde is a highly active bacterial and sporicidal agent, he notes it is toxic and irritati...
lost. Thus, in formulating contact lens care solutions, such as cleaning compositions, a number of factors need to be carefully weighed to assure total compatibility of the system in terms of functional efficaciousness, potential for damage to the lens and possible hazards to the wearer's eyes....