The Rotterdam Ophthalmic Institute (R.O.I.) is the research institute of the Rotterdam Eye Hospital (R.E.H.). This hospital is the only specialized eye hospital in The Netherlands. R.O.I. focuses its activities on evidence based innovation across the full spectrum of ophthalmology in order to improve the treatment of eye diseases.   R.O.I. focusses on clinical and translational research activities and adheres to all applicable legislation for clinical research. Every study at R.O.I. is conducted in close collaboration with ophthalmologists from the R.E.H. Since 2009, dr. Netty Dorrestijn is director of the R.O.I.. Subsequent to obtaining her PhD degree, she gained 10 years experience in initiating and conducting clinical research in various medical positions in the pharmaceutical industry.