Evaluation of the PlenOptika QuickSee Free Portable Autorefractor in Schools in The Gambia.

Purpose: To evaluate the ability of the monocular QuickSee Free (QSF) portable autorefractor (PlenOptika) to detect and measure refractive error relative to gold standard cycloplegic retinoscopy in a population of school-aged children in a low-resource setting in The Gambia.

Methods: A total of 101 children, aged between 3 and 17 years (10.2 ± 3.