Fig. 2From: Perceived usefulness and ease of use of fundoscopy by medical students: a randomised crossover trial of six technologies (eFOCUS 1)Mean scores of perceived ease of use by students for non-mydriatic camera (NMC), direct fundoscopy (DF, comprising the traditional direct ophthalmoscope and panoptic ophthalmoscope), and smartphone fundoscopy (SF, comprising iExaminer and D-eye). Error bars show 95% confidence intervalBack to article page