Aging simulation software for irisAging simulation software for iris--fixated IOL position using high fixated IOL position using high resolutionresolution Scheimpflug imagingScheimpflug imaging

Mana TehraniMana Tehrani11, MD, Johannes Koeppe, MD, Johannes Koeppe11, H. Burkhard Dick, H. Burkhard Dick22, MD, MD11Department of Ophthalmology, Johannes GutenbergDepartment of Ophthalmology, Johannes Gutenberg--University,University,Mainz/Germany Mainz/Germany 22Department of Ophthalmology, Ruhr University of Bochum/Germany Department of Ophthalmology, Ruhr University of Bochum/Germany

No financial interestNo financial interest

IntroductionIntroduction

•• irisiris--fixated phakic IOL fixated phakic IOL (pIOL, (pIOL, ArtisanArtisan®®Ophthec; Verisyse Ophthec; Verisyse TMTM, AMO), AMO)

•• correction of myopia, hyperopia, astigmatismcorrection of myopia, hyperopia, astigmatism•• alternative to laser alternative to laser surgerysurgery

•• Longterm complications: Longterm complications: •• progressive endothelial cell lossprogressive endothelial cell loss•• pigment dispersionpigment dispersion•• cataract inductioncataract induction

SafetySafety

•• How can we ensure postoperative safe How can we ensure postoperative safe distances to crucial intraocular tissues distances to crucial intraocular tissues during aging of anterior segment?during aging of anterior segment?

•• HowHow cancan wewe predictpredict postoperative postoperative safetysafetyin in longtermlongterm followfollow up?up?

A new Pentacam software moduleA new Pentacam software module

•• simulate a pIOL in ACsimulate a pIOL in AC•• simulates pIOL position in up to 50 years simulates pIOL position in up to 50 years

after surgeryafter surgery•• from each point of the pIOL distances to from each point of the pIOL distances to

adjacent eye structures calculated three adjacent eye structures calculated three dimensionally dimensionally

•• results presented in real minimum valuesresults presented in real minimum values•• distances as colour maps and minimum distances as colour maps and minimum

space valuesspace values

preoperative simulationpatient is 40 years old, hyperopic

same patient/ simulation pIOL position10years post-OP

same patient/ simulation pIOL position 20 years post-OP

same patient/ simulation pIOL position30 years post-OP

Distance fall below 1 mm 730 µm distance pIOL haptic to corneal endothelium

ConclusionConclusion

•• Pentacam Pentacam agingaging simulationsimulation modulemodule forfor irisiris--fixatedfixated IOL IOL positionposition may: may:

•• improve preoperative patients selection/ improve preoperative patients selection/ exclusion exclusion

•• help to choose implant location help to choose implant location •• ensure safe ensure safe pIOLpIOL position for next position for next

decadesdecades