Afterthebrieflaserprocedure,thecolourchangeissaidtotakeafewweekstotakeeffectContinuereadingthemainstoryRelatedStoriesNature'scopycatsfloodtheworldBadeyes'linkedtotimeindoors'NeweyesurgeryforPrestonwomanAUSdoctoristryingtopioneeralasertreatmentthatchangespatients'$750,000(£468,000),,mercialisetheprocess,estimatesitwilltakeatleast18monthstofinishthesafetytests.'Irreversible',usingaproprietarypattern,,“”EndQuoteLarryBenjaminStokeMandevilleHospital,UKHoweverthetreatmentonlytakes20seconds."Thelaseragitatesthepigmentonthesurfaceoftheiris,"DrHomer-thefirm'schairmanandchiefscientificofficer-toldtheBBC."Weusetwofrequenciesthatareabsorbedbydarkpigment,anditisfullyabsorbedsothereisnodangerofdamagetotherestoftheeye."
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