| According to the World Health Organization(WHO),by 2022,there were 8.3 million total blindness people in China,and more than 13 million partially blind people with visual impairments.There are about 400 000 newly increased blind people in China each year.Visual impairment has become a serious public problem in China.With the continuous development of society and the in-depth implementation of inclusive education,the society attaches more and more importance to the education of visually impaired children.To provide them with good learning tools suitable for visually impaired children,so that they can enjoy the education process better.In this regard,there are still many work and problems that need to solved and be paid more attention to.Based on the perceived experience theory,this paper analyzes the tactile sense,auditory sense,behavioral and cognitive characteristics of visually impaired children,and conducts field investigation,observation and relevant data research on their daily life and learning style.Aiming at the obstacles and problems existing in the learning process of visually impaired children,the function of the existing learning machine is improved and innovatedThis learning machine seeks to solve the obstacles and bad experience of visually impaired children when using e-learning products with the sense of touch and hearing as the leading,so as to ensure the good interaction between visually impaired children and the learning machine in the learning process.It uses ergonomics,perceptual psychology to compensate and reduce the visually impaired children in the process of operating the learning machine information loss and experience.Improve their learning efficiency and enjoyment,and use design methods to make visually impaired children feel the concern and love from society. |