The goal of this prospective controlled study is to measure the reliability of two intraocular pressure (IOP)-measuring instruments in comparison to the gold standard, Goldmann applanation tonometry (GAT) following vitreo-retinal surgery. The main question the current study aims to answer is: are Icare and Accupen as accurate as GAT in measuring IOP one day post eye surgery? Participants in this study will have their IOP measured by the three different instruments one day post-surgery.
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Absence of difference between intracular pressure measured by devices
Timeframe: at the post-operative visit (1 day after surgery)