The Impact of Smartphone Fonts and Text Colors on Visual Recognition of the Elderly

With the development of mobile communications technology, smart phone has become a necessity in people's life. The aggravation of population aging in China draws the society's more attention to the market of smart phone for the aged. Being convenient, smart phone provides the aged with a brand new reading mode and a flexible reading environment. However, this advantage changes elderly users' habit of using eyes and causes visual fatigue. This research explores the relationship between smart phone screen color combination and visual identification, visual fatigue of the aged. Combining color criterion RGB adopted by most displayers with neutral colors black and white, the author probes into the influence of smart phone screen color combination on visual identification and visual fatigue through experiment. The experiment in this research is about the influence of mobile phone screen color combination on visual identification of the aged. The results showed that the best color sample for male subjects was white on a blue background, while the best color sample for females was green on a blue background.