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