| abstract |
Provided is an ophthalmic solution comprising 10 - 10,000 parts pernmillion of a naturally-occurring microbicidal compound selected from allicin,naucubin, berberine, bilberry extract, caffeic acid, chlorogenic acid, echinaceanextract, ferulic acid, hydrastine, lipoic acid, naringin, oleuropein,nproanthocyanidins, quercetin and rutin. The solution may further comprisen1 - 100 parts per million of benzyldimethyl {2-[2-(p-1,1,3,3-tetramethylbutylphenoxy)nethoxy]ethyl} ammonium chloride. n It has been found that the solution reduces the number and variety ofnpathogenic microorganisms that may infect rigid gas permeable or softncontact lenses. |