Eye contact that delivers

摘要

Almost everyone, at one timenor another, has used eyedropsnto deliver a drug. Butneven though improvementsnin excipients have increasednthe efficacy of these deliverynsystems, the problems ofnblinking and tear productionnare still serious impedimentsnto their use. This has lednresearchers to look for waysnto use soft contact lenses,nloaded with a drug, as andelivery vehicle.nBut the challengenofnmakingnlensesnthat absorbnand releasentherapeuticallynrelevant doses remains.