Plusoptix Vision Screener: the accuracy and repeatability of refractive measurements using a new autorefractor
A H Dahlmann-Noor, O Comyn, V Kostakis, A Misra, N Gupta, J Heath, J Brown, A Iron, S McGill, K Vrotsou, A J Vivian
British Journal of Ophthalmology Mar 2009, 93 (3) 346-349; DOI: 10.1136/bjo.2008.138123