30 Aralıkiçin iVisionTester uygulama analizi

iVisionTester by Simon Wilson ============================= Compare/rank your visual sensitivity in 4 different categories (Red, Green, Blue, Light/Dark) with others in your age group online in 5 easy steps. Perfect to compare/challenge your older/younger colleagues for visual superiority! It may also be useful as a tool to identify visual problems prior to an optician visit.